CN102092987B - Thermal-insulation adhesive for die-forging of forge pieces and preparation method thereof - Google Patents
Thermal-insulation adhesive for die-forging of forge pieces and preparation method thereof Download PDFInfo
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- CN102092987B CN102092987B CN 201010570922 CN201010570922A CN102092987B CN 102092987 B CN102092987 B CN 102092987B CN 201010570922 CN201010570922 CN 201010570922 CN 201010570922 A CN201010570922 A CN 201010570922A CN 102092987 B CN102092987 B CN 102092987B
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- caking agent
- glass powder
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- 238000005242 forging Methods 0.000 title claims abstract description 109
- 238000009413 insulation Methods 0.000 title claims abstract description 55
- 238000002360 preparation method Methods 0.000 title abstract description 11
- 239000000853 adhesive Substances 0.000 title abstract description 6
- 230000001070 adhesive effect Effects 0.000 title abstract description 6
- 239000000463 material Substances 0.000 claims abstract description 38
- 239000000843 powder Substances 0.000 claims abstract description 34
- 239000011521 glass Substances 0.000 claims abstract description 33
- 239000003822 epoxy resin Substances 0.000 claims abstract description 24
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 24
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 23
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 23
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000000375 suspending agent Substances 0.000 claims abstract description 22
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000010439 graphite Substances 0.000 claims abstract description 15
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 15
- 229910001069 Ti alloy Inorganic materials 0.000 claims abstract description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 64
- 238000000034 method Methods 0.000 claims description 32
- 238000003756 stirring Methods 0.000 claims description 25
- 229920005989 resin Polymers 0.000 claims description 24
- 239000011347 resin Substances 0.000 claims description 24
- RSCACTKJFSTWPV-UHFFFAOYSA-N disodium;3,7-dioxido-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane;pentahydrate Chemical compound O.O.O.O.O.[Na+].[Na+].O1B([O-])OB2OB([O-])OB1O2 RSCACTKJFSTWPV-UHFFFAOYSA-N 0.000 claims description 21
- 238000007667 floating Methods 0.000 claims description 21
- 239000000203 mixture Substances 0.000 claims description 18
- 239000004576 sand Substances 0.000 claims description 12
- 229910000601 superalloy Inorganic materials 0.000 claims description 9
- 238000005303 weighing Methods 0.000 claims description 9
- -1 aminomethyl phenyl Chemical group 0.000 claims description 8
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 229920002050 silicone resin Polymers 0.000 claims description 6
- 238000005461 lubrication Methods 0.000 abstract description 12
- 239000011248 coating agent Substances 0.000 abstract description 10
- 238000000576 coating method Methods 0.000 abstract description 10
- 229910045601 alloy Inorganic materials 0.000 abstract description 5
- 239000000956 alloy Substances 0.000 abstract description 5
- 239000012774 insulation material Substances 0.000 abstract description 3
- 229910000838 Al alloy Inorganic materials 0.000 abstract 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 abstract 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 abstract 1
- UQGFMSUEHSUPRD-UHFFFAOYSA-N disodium;3,7-dioxido-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane Chemical compound [Na+].[Na+].O1B([O-])OB2OB([O-])OB1O2 UQGFMSUEHSUPRD-UHFFFAOYSA-N 0.000 abstract 1
- 229920006015 heat resistant resin Polymers 0.000 abstract 1
- 239000001488 sodium phosphate Substances 0.000 abstract 1
- 229910052719 titanium Inorganic materials 0.000 abstract 1
- 239000010936 titanium Substances 0.000 abstract 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 abstract 1
- 229910000406 trisodium phosphate Inorganic materials 0.000 abstract 1
- 235000019801 trisodium phosphate Nutrition 0.000 abstract 1
- 239000008096 xylene Substances 0.000 abstract 1
- 239000000835 fiber Substances 0.000 description 16
- 239000000919 ceramic Substances 0.000 description 15
- 229920000742 Cotton Polymers 0.000 description 12
- 238000010438 heat treatment Methods 0.000 description 11
- 239000000314 lubricant Substances 0.000 description 8
- 238000012546 transfer Methods 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 210000000438 stratum basale Anatomy 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000007761 roller coating Methods 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 229910000737 Duralumin Inorganic materials 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 235000011089 carbon dioxide Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 235000019353 potassium silicate Nutrition 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 2
- 101150060219 tsp-1 gene Proteins 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 101100202938 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) tsp-5 gene Proteins 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229910021538 borax Inorganic materials 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000007610 electrostatic coating method Methods 0.000 description 1
- 238000007590 electrostatic spraying Methods 0.000 description 1
- 229940085805 fiberall Drugs 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000001192 hot extrusion Methods 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- LAQFLZHBVPULPL-UHFFFAOYSA-N methyl(phenyl)silicon Chemical compound C[Si]C1=CC=CC=C1 LAQFLZHBVPULPL-UHFFFAOYSA-N 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004328 sodium tetraborate Substances 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/30—Compounds having one or more carbon-to-metal or carbon-to-silicon linkages ; Other silicon-containing organic compounds; Boron-organic compounds
- C04B26/32—Compounds having one or more carbon-to-metal or carbon-to-silicon linkages ; Other silicon-containing organic compounds; Boron-organic compounds containing silicon
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/14—Polyepoxides
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Forging (AREA)
Abstract
The invention discloses a thermal-insulation adhesive for die-forging of forge pieces, which is used for forming die forging pieces and especially suitable for thermal-insulation forming of high-temperature alloy, titanium alloy and aluminum alloy die-forging pieces. The adhesive for thermal-insulation materials can form a continuous, uniform and compact film for thermal insulation and lubrication on the surface of a forge piece. The adhesive disclosed by the invention is prepared from the following components in percentage by weight: 20-40% of organosilicon heat-resistant resin or organic titanium epoxy resin, 20-40% of glass powder, 0-5% of trisodium phosphate, 2-6% of anhydrous borax, 0-5% of graphite, 1-3% of leafing aluminum paste, 1-5% of magnesium aluminum silicate suspending agent and 10-40% of xylene. The invention can accurately control the forging temperature, reduce the number of times of blank returning, prolong the forgeable time each time, lower the cost of the used coating materials, widen the optional range of the thermal-insulation coating materials, and the like. Meanwhile, the invention also provides a preparation method of the thermal-insulation adhesive.
Description
Technical field
The present invention relates to the die-forging forming technical field, except that can be used as general stamp work, the caking agent that the insulation of superalloy, titanium alloy and the duraluminum stamp work that is particularly suitable for using in the large complicated Aeronautics and Astronautics apparatus is shaped.
Background technology
Forge particularly that the lagging material of die forging process has keying action to product shaping, the die forging of excellent property can not only guarantee that with lagging material die forging successfully carries out, and can also prolong the life-span of mould, improves the component shaping quality.A large amount of research has all been carried out in countries in the world to this, formed the technical approach of realizing insulation with coating material, mainly contains " Hard Roll cover " method and " Soft Roll cover " method.
" Hard Roll cover " method promptly adopts copper coin or general steel plate or stainless steel plate, through being welded into copper sheathing or stainless steel sleeve, being coated on adiabatic cotton and loading onto these metallic sheaths behind the alloy billet surface and heat and be incubated forging.Like application number 86106477 " method of double-deck jacket extruding titanium alloy "; It is on titanium alloy forging, to wrap thin soft steel plate earlier and then wrap soft copper sheet; There are many shortcomings in this method; Sheath material can not be out of shape along with the forging metal deformation during like trivial operations, die forging, can only use efficient low etc.
And be incubated FMT without " the Soft Roll cover " of copper coin or stainless steel plate, and be to adopt to have " the Pasting adiabatic cotton " that lubricating function is held concurrently in insulation, be applicable to multiple heat processing techniques such as hammering, die forging, hot extrusion, hot rolling." Hard Roll cover " heat preservation technology relatively, " Soft Roll cover " has the following advantages: (1) cost is lower, and the jacket operation is more convenient; (2) when workpiece heats, can open wide when simultaneously not wrapping adiabatic cotton, the workpiece heat-up rate is very fast; (3) the Pasting adiabatic cotton can not come off in the forging process, and follows forging stock distortion and be out of shape; (4) can carry out many fire in theory forges.Like application number is 200510024208.8 " the hot-work forging method of the large-sized high-temperature alloy turbine disk ", is forging to be coated the back in stove, heat, and many 3-6 hour heat-up time than routine its heat-up time.Application number is that 200510024207.3 " the insulation hammer cogging method of GH742 alloy large steel ingot ", application number are that 200520039486.6 " a kind of Pasting adiabatic cotton ", application number are that 200510023801.0 " Pasting adiabatic cotton and preparation method thereof ", application number are 200710042561.8 " a kind of superalloy die forging method "; Application number is that the disclosed technology of these patent application documents of 200910032912.6 " a kind of method for upsetting high-temperature alloy round ingot " all is to make high temperature adhesive with the glass powder that is called two caking agents (starch and water glass) and softening temperature 700-850 ℃; Be coated to superalloy to ceramic fiber and get on to be placed on the stove internal heating, forge then.The results showed, all need use that also need long-time heating in stove after forging coats, unlimited one side is not wrapped adiabatic cotton reality can bring operational problem of later stage, does not often reach the ideal effect in actual use in the temperature below 200 ℃.Because also need forming one deck lubricant on the forging surface, " Soft Roll cover " help the forging moulding simultaneously; Because of above-mentioned having now with water glass, borax is caking agent; The bubble that forms owing to the carbonic acid gas of at high temperature emitting, water vapor etc.; Make the forging surface can't form continuous, even, fine and close lubricant film, therefore can not give play to due lubrication.
Also having application number in the prior art is 200710118126.9 " heat-processing temperature-cntrolled heat-insulation material "; Make lagging material according to stating to be still with adiabatic cotton; Adiabatic cotton is called the high temperature viscous layer with the surface that blank directly contacts; The surface that adiabatic cotton contacts with mould is called stratum basale, warm viscous layer during the part between stratum basale and the high temperature viscous layer is called.The high temperature viscous layer that under the action of compressive stress at press, contacts with blank can produce higher unit elongation, stratum basale produces high ultimate compression strength; Can avoid mould and blank directly to contact and produce violent friction; And contact closely with mould in the forging deformation process, can obtain requiring the forging of shape and size.In warm viscous layer play a part bonding high temperature viscous layer, stratum basale and adjusting their the distortion.Therefore the trilaminate material that in same adiabatic cotton, has difference in functionality, the composition of this trilaminate material, structure are all different, so its complex process is not easy to use in the forging processing.
Up to the present; The problem that above-mentioned patent can't be used is: will produce lubrication when the high temperature viscous layer contacts with blank in the die forging deformation process, the composition in the viscous layer must be melt into vitreous state, and this glass state material also need bond to blank surface voluntarily; Shear flow takes place under action of compressive stress; So that deform between the blank, high temperature viscous layer, stratum basale etc., under violent condition, be out of shape and be kept perfectly again, prevent because lagging material breaks and blank and mould directly contacted cause the frictional resistance increase; Blank temperature descends fast, thereby makes this multilayer materials play lubricated insulation effect.And suitable viscosity is relevant with temperature.The temperature that reaches appropriate viscosity such as the high temperature viscous layer that is used for superalloy is generally more than 1050 ℃, is used for temperature that the Titanium Alloys at High Temperature viscous layer reaches appropriate viscosity more than 750 ℃.Therefore how to confirm the composition of these materials, and then they are processed fiber all can't realize according to existing ceramic fiber manufacturing technology according to blank material, forging temperature.
Summary of the invention
To the problems referred to above that prior art exists, technical problem to be solved by this invention provides and can use caking agent at the surperficial lagging material that forms the film of continuous, even, the fine and close insulation of one deck, lubrication of forging.
The present invention solves the forging die forging usefulness insulation caking agent that its technical problem adopts; Comprise following component by weight percentage; Organosilicon heat stable resin or organotitanium epoxy resin 20-40%, glass powder 20-40%, tsp 0-5%, Borax pentahydrate 2-6%, graphite 0-5%, floating type aluminum paste 1-3%, magnesium aluminum silicate suspension agent 1-5%, YLENE 10-40%.
Described organosilicon heat stable resin is the aminomethyl phenyl silicone resin.
The softening temperature of the glass powder in the insulation caking agent that the superalloy forging uses the softening temperature of the glass powder more than 850 ℃, in the insulation caking agent that uses of titanium alloy forging at the softening temperature of the glass powder more than 700 ℃, in the insulation caking agent that uses of aluminium gold forging more than 300 ℃.
Said graphite is oildag.
The present invention also provides a kind of method for preparing the forging die forging with the insulation caking agent, may further comprise the steps:
(1) takes by weighing organosilicon heat stable resin or organotitanium epoxy resin, YLENE, glass powder, graphite, tsp, Borax pentahydrate, floating type aluminum paste, magnesium aluminum silicate suspension agent in proportion;
(2) will claim above-mentioned materials in organosilicon heat stable resin or organotitanium epoxy resin, the YLENE of glass powder, graphite, tsp, Borax pentahydrate, floating type aluminum paste, magnesium aluminum silicate suspension agent and sample weighting amount 65%-85% place reactor drum fully to stir more than 4 hours;
(3) mixture that again step (2) is obtained is put into sand mill and is ground;
(4) mixture that grinds after accomplishing is transferred in the reactor drum, adds remaining organosilicon heat stable resin or organotitanium epoxy resin, YLENE, fully stirs promptly to get.
Further improve, the fineness that the mixture in the step (3) grinds in sand mill is less than 30 μ m.
Further improve, the churning time in the step (2) in reactor drum is more than 4 hours.
The present invention compared with prior art has following advantage:
The insulation caking agent is used in forging die forging of the present invention; Adopt brush, rolls, method handle such as electrostatic spraying is coated onto the ceramic fiber surface as the material material of caking agent; Forging places the surface to scribble on the ceramic fiber of caking agent after the process furnace internal heating is come out of the stove to temperature immediately and coats; Promptly do not forge after the coating and need place the process furnace internal heating again; Thereby forging can be because of contacting the purpose that heat radiation realizes insulation in air or with mould, and the lubricant in the caking agent guarantee to form on the forging surface one deck continuously, evenly, the fine and close film that plays insulation, lubrication.
The high-temperature heat-resistance resin that contains in the caking agent has guaranteed ceramic fiber, and all ability is successful bonding under differing temps, has guaranteed that also ceramic fiber contacts the back and forms continuous, even, the fine and close film that plays insulation, lubrication of one deck with the forging surface; Not moisture in the coating; Not therefore forging can be and radiating and cooling; So do not need to advance process furnace heating, the little solvent that contains in the coating, aluminium powder contacts the heat of back generation with forging again, have offset the forging dispersed heat afterwards of coming out of the stove; Realized the thermal equilibrium of forging, guaranteed that the initial forging temperature of forging does not reduce because of the coating ceramic fiber.
1. heavy froging die forging of the present invention is compared with caking agent of the prior art with the insulation caking agent; It all has one deck continuously, evenly to play the liquid film of insulation, lubrication at the whole textured surface of forging; Can effectively reduce the resistance to deformation of forging; Reduce the working load of press, guarantee to be met the large-scale stamp work of specification of quality.The actual procedure of lubrication theory and die forging all proves; When the stamp work surface has only the part lubricant; No matter this part lubricant is originally to be fixed on the heat insulation material surface or with powder type to remove from the teeth outwards; The lubricant of these part surfaces can't flow to other surface and gets in die forging process, more can not flow on the surface that forging newly bears, and alternate liquid film does not have lubrication.
2. material different has different variations that different fusing points is also arranged under different temperature.Heavy froging die forging of the present invention is compared with caking agent of the prior art with the insulation caking agent; It selects the caking agent of heterogeneity for use to different forging temperatures, different forging materials; Rather than use a kind of changeless caking agent; So just can guarantee can both obtain firm adhesion to different forging temperatures, different forging material lagging materials, the forging surface can both obtain the liquid film that one deck continuously, evenly plays insulation, lubrication
3. heavy froging die forging of the present invention is compared with caking agent of the prior art with the insulation caking agent; Owing at high temperature can not generate gases such as a large amount of water vapour, carbonic acid gas, therefore can form the liquid film that continuously, evenly plays insulation, lubrication on the forging surface.
4. heavy froging die forging of the present invention is compared with caking agent of the prior art with the insulation caking agent; It is not before forging gets into process furnace, under lower temperature, just must use caking agent the lagging material bag to forging; But before forging heating back die forging, wrap the caking agent that the surface has one deck to have lubricating function, carry out die forging immediately.Promptly use insulation lubricant of the present invention, can more accurately control forging temperature, reduce blank and melt down number of times, prolong the malleable time of every fire.
Because any material with heat insulation function must have the adiabatic performance; Promptly has the performance that stops heat to get into; Will stop forging to be heated like this, prolong the heat-up time of forging in stove significantly, make with the forging of going up lagging material and in stove, be heated for a long time; So not only cause energy dissipation to extend manufacture cycle, and be unfavorable for obtaining the tiny forging of crystal grain.
5. heavy froging die forging of the present invention is compared with caking agent of the prior art with the insulation caking agent, uses more conveniently, has more operability.Still there are not the practical situation that promptly form liquid film in the following short period of time of forging temperature according to the existing ceramic fiber of producing; Only use different pottery (being silicate) fiber to can not get lubricant film, and obstacle but also economically the cost of the composite ceramics fiber that will obtain difference in functionality such as high temperature viscous layer, middle temperature viscous layer, permeation barrier etc. on not only possessing skills also very costliness be difficult to carry out.
6. heavy froging die forging of the present invention has successfully solved the technical barrier that uses Soft Roll cover lagging materials such as ceramic fiber with the insulation caking agent; Overcome the loaded down with trivial details and defective that to weld with coating forging blanks such as mild steel plate or stainless steel, copper sheets; Reduce the cost that uses coating material, enlarged the scope of selecting for use of thermal insulation coating material.
Embodiment
Forging die forging of the present invention is with the insulation caking agent; Comprise that by weight percentage following component processes; Organosilicon heat stable resin or organotitanium epoxy resin 20-40%, glass powder 20-40%, tsp 0-5%, Borax pentahydrate 2-6%, graphite 0-5%, floating type aluminum paste 1-3%, magnesium aluminum silicate suspension agent 1-5%, YLENE 10-40%.Its preparation method may further comprise the steps:
(1) takes by weighing organosilicon heat stable resin or organotitanium epoxy resin, glass powder, tsp, Borax pentahydrate, graphite, floating type aluminum paste, magnesium aluminum silicate suspension agent, YLENE in proportion;
(2) will claim above-mentioned materials in organosilicon heat stable resin or organotitanium epoxy resin, the YLENE of glass powder, graphite, tsp, Borax pentahydrate, floating type aluminum paste, magnesium aluminum silicate suspension agent and sample weighting amount 65%-85% place reactor drum fully to stir more than 4 hours;
(3) mixture that again above-mentioned steps (2) is obtained is put into sand mill and is ground;
(4) mixture that grinds after accomplishing is transferred in the reactor drum, adds remaining organosilicon heat stable resin or organotitanium epoxy resin, YLENE, fully stirs promptly to get.
Described organosilicon heat stable resin is chosen as the methyl phenyl silicone resin with excellent resistant of high or low temperature.
Because the die forging temperature requirement of unlike material is different; For can both form on forging surface continuously at the different temperature environment, evenly, the fine and close film that plays insulation, lubrication, the softening temperature of the glass powder in the insulation caking agent that the superalloy forging uses the softening temperature of the glass powder more than 850 ℃, in the insulation caking agent that uses of titanium alloy forging at the softening temperature of the glass powder more than 700 ℃, in the insulation caking agent that uses of aluminium gold forging more than 300 ℃.
In order to improve the film forming lubricity of caking agent, described graphite is selected oildag, and the fineness that also can the mixture in the step (3) be ground in sand mill is controlled at less than 30 μ m.
In order to guarantee the abundant stirring of step (2) in reactor drum, churning time is more than 4 hours.
In order to reduce organosilicon heat stable resin, organotitanium epoxy resin, the loss of YLENE in step (2); Guarantee content in the caking agent; Therefore organosilicon heat stable resin, organotitanium epoxy resin, YLENE are added at twice, promptly in step (4), add remaining component.
Embodiment one:
Take by weighing glass powder 38%, tsp 1%, Borax pentahydrate 3%, oildag 1%, floating type aluminum paste 1%, YLENE 19%, the magnesium aluminum silicate suspension agent 2% of 850 ℃ of organosilicon heat stable resins 35%, softening temperature according to preparation caking agent weight; Organosilicon heat stable resin, YLENE with glass powder, oildag, tsp, Borax pentahydrate, floating type aluminum paste, magnesium aluminum silicate suspension agent and sample weighting amount 65% places reactor drum fully to stir more than 4 hours then; The mixture that then stirring is obtained is put into sand mill and is ground; Transfer in the reactor drum again; And add remaining organosilicon heat stable resin, YLENE, fully stirring promptly gets the die forging lagging material and uses caking agent.
Be applied to the method for the above-mentioned insulation caking agent that obtains on the ceramic fiber blanket with roller coating, coat-thickness 0.2mm, then it being wrapped Heating temperature is on 1150 ℃ 4169 superalloys.
Embodiment two:
Take by weighing glass powder 22%, Borax pentahydrate 4%, graphite 5%, floating type aluminum paste 2.5%, magnesium aluminum silicate suspension agent 4, the YLENE 22.5% of 700 ℃ of aminomethyl phenyl silicone resins 40%, softening temperature according to preparation caking agent weight, then with glass powder, oildag, tsp, Borax pentahydrate, floating type aluminum paste, magnesium aluminum silicate suspension agent and sample weighting amount 73%.Aminomethyl phenyl silicone resin, YLENE place reactor drum fully to stir more than 5 hours; The mixture that then stirring is obtained is put into sand mill and is ground; After treating that fineness reaches below the 30 μ m; Transfer in the reactor drum, and add remaining aminomethyl phenyl silicone resin, YLENE, fully stirring promptly gets the die forging lagging material and uses caking agent.
Be applied to the method for the above-mentioned insulation caking agent that obtains on the ceramic fiber blanket with roller coating, coat-thickness 0.2mm, then it being wrapped Heating temperature is on 950 ℃ the titanium alloy.
Embodiment three:
Take by weighing glass powder 26%, tsp 5%, Borax pentahydrate 5%, floating type aluminum paste 2%, magnesium aluminum silicate suspension agent 4%, the YLENE 37% of 300 ℃ of organosilicon heat stable resins 21%, softening temperature according to preparation caking agent weight; Organosilicon heat stable resin, YLENE with glass powder, tsp, Borax pentahydrate, floating type aluminum paste, magnesium aluminum silicate suspension agent and sample weighting amount 80% places reactor drum fully to stir more than 4 hours then; The mixture that then stirring is obtained is put into sand mill and is ground; After treating that fineness reaches below the 30 μ m; Transfer in the reactor drum again; And add remaining organosilicon heat stable resin, YLENE, fully stirring promptly gets the die forging lagging material and uses caking agent.
Be applied to the above-mentioned insulation caking agent that obtains on the adiabatic cotton with electrostatic coating method, coat-thickness 0.3mm, then it being wrapped Heating temperature is on 600 ℃ the duraluminum.
Embodiment four:
Take by weighing glass powder 40%, tsp 1%, Borax pentahydrate 2%, oildag 3%, floating type aluminum paste 3%, magnesium aluminum silicate suspension agent 1%, the YLENE 25% of 850 ℃ of organotitanium epoxy resins 25%, softening temperature according to preparation caking agent weight; Organotitanium epoxy resin, YLENE with glass powder, tsp, Borax pentahydrate, floating type aluminum paste, magnesium aluminum silicate suspension agent and sample weighting amount 85% places reactor drum fully to stir more than 2 hours then; The mixture that then stirring is obtained is put into sand mill and is ground; After treating that fineness reaches below the 30 μ m; Transfer in the reactor drum again; And add remaining organotitanium epoxy resin, YLENE, fully stirring promptly gets the die forging lagging material and uses caking agent.
Be applied to the above-mentioned insulation caking agent that obtains on the ceramic fiber blanket with brushing method, coat-thickness 0.2mm, then it being wrapped Heating temperature is on 600 ℃ the duraluminum.
Embodiment five:
Take by weighing glass powder 33%, tsp 3%, Borax pentahydrate 6%, oildag 3%, floating type aluminum paste 2%, magnesium aluminum silicate suspension agent 5%, the YLENE 10% of 700 ℃ of organotitanium epoxy resins 38%, softening temperature according to preparation caking agent weight; Organotitanium epoxy resin, YLENE with glass powder, tsp, Borax pentahydrate, floating type aluminum paste, magnesium aluminum silicate suspension agent and sample weighting amount 70% places reactor drum fully to stir more than 2 hours then; The mixture that then stirring is obtained is put into sand mill and is ground; After treating that fineness reaches below the 30 μ m; Transfer in the reactor drum again; And add remaining organotitanium epoxy resin, YLENE, fully stirring promptly gets the die forging lagging material and uses caking agent.
Be applied to the above-mentioned insulation caking agent that obtains on the ceramic fiber blanket with the roller coating method, coat-thickness 0.4mm, then it being wrapped Heating temperature is on 950 ℃ the titanium alloy.
Embodiment six:
Take by weighing glass powder 20%, Borax pentahydrate 4%, graphite 4%, floating type aluminum paste 2%, magnesium aluminum silicate suspension agent 4%, the YLENE 29% of 850 ℃ of organotitanium epoxy resins 37%, softening temperature according to preparation caking agent weight; Organotitanium epoxy resin, YLENE with glass powder, Borax pentahydrate, floating type aluminum paste, magnesium aluminum silicate suspension agent and sample weighting amount 65% places reactor drum fully to stir more than 4 hours then; The mixture that then stirring is obtained is put into sand mill and is ground; After treating that fineness reaches below the 30 μ m; Transfer in the reactor drum again; And add remaining organotitanium epoxy resin, YLENE, fully stirring promptly gets the die forging lagging material and uses caking agent.
Be applied to the above-mentioned insulation caking agent that obtains on the ceramic fiber blanket with the roller coating method, coat-thickness 0.2mm wraps it on 1150 ℃ 4169 superalloys then.
Claims (7)
1. the forging die forging is with the insulation caking agent; It is characterized in that; Constitute by following component by weight percentage: organosilicon heat stable resin or organotitanium epoxy resin 20-40%, glass powder 20-40%, tsp 0-5%, Borax pentahydrate 2-6%, graphite 0-5%, floating type aluminum paste 1-3%, magnesium aluminum silicate suspension agent 1-5%, YLENE 10-40%.
2. forging die forging according to claim 1 is characterized in that with the insulation caking agent described organosilicon heat stable resin is the aminomethyl phenyl silicone resin.
3. forging die forging according to claim 1 is characterized in that with the insulation caking agent: the softening temperature of the glass powder in the insulation caking agent that the superalloy forging uses the softening temperature of the glass powder more than 850 ℃, in the insulation caking agent that uses of titanium alloy forging at the softening temperature of the glass powder more than 700 ℃, in the insulation caking agent that uses of aluminium gold forging more than 300 ℃.
4. forging die forging according to claim 1 is characterized in that with the insulation caking agent said graphite is oildag.
5. prepare the method for forging die forging, may further comprise the steps with the insulation caking agent:
(1) takes by weighing following material by weight percentage; Organosilicon heat stable resin or organotitanium epoxy resin 20-40%, glass powder 20-40%, tsp 1-5%, Borax pentahydrate 2-6%, graphite 1-5%, floating type aluminum paste 1-3%, magnesium aluminum silicate suspension agent 1-5%, YLENE 10-40%;
(2) will claim above-mentioned materials in organosilicon heat stable resin or organotitanium epoxy resin, the YLENE of glass powder, graphite, tsp, Borax pentahydrate, floating type aluminum paste, magnesium aluminum silicate suspension agent and sample weighting amount 65%-85% place reactor drum fully to stir;
(3) mixture that again step (2) is obtained is put into sand mill and is ground;
(4) mixture that grinds after accomplishing is transferred in the reactor drum, adds remaining organosilicon heat stable resin or organotitanium epoxy resin, YLENE, fully stirs promptly to get.
6. the method for preparing the forging die forging with the insulation caking agent according to claim 5 is characterized in that the fineness that the mixture in the step (3) grinds is less than 30 μ m in sand mill.
7. the method for preparing the forging die forging with the insulation caking agent according to claim 5 is characterized in that the churning time in the step (2) in reactor drum is more than 4 hours.
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