CN106399875A - Preparing method and application of high-strength metal composite - Google Patents
Preparing method and application of high-strength metal composite Download PDFInfo
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- CN106399875A CN106399875A CN201611166446.7A CN201611166446A CN106399875A CN 106399875 A CN106399875 A CN 106399875A CN 201611166446 A CN201611166446 A CN 201611166446A CN 106399875 A CN106399875 A CN 106399875A
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- 239000002905 metal composite material Substances 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title abstract description 9
- 238000002156 mixing Methods 0.000 claims abstract description 22
- 238000005245 sintering Methods 0.000 claims abstract description 19
- HETCEOQFVDFGSY-UHFFFAOYSA-N Isopropenyl acetate Chemical compound CC(=C)OC(C)=O HETCEOQFVDFGSY-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910000990 Ni alloy Inorganic materials 0.000 claims abstract description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000000498 ball milling Methods 0.000 claims abstract description 11
- ULBTUVJTXULMLP-UHFFFAOYSA-N butyl octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCCCC ULBTUVJTXULMLP-UHFFFAOYSA-N 0.000 claims abstract description 11
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims abstract description 11
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052581 Si3N4 Inorganic materials 0.000 claims abstract description 10
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000002202 Polyethylene glycol Substances 0.000 claims abstract description 9
- 238000001816 cooling Methods 0.000 claims abstract description 9
- 229920001223 polyethylene glycol Polymers 0.000 claims abstract description 9
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 20
- 238000002360 preparation method Methods 0.000 claims description 18
- 238000004898 kneading Methods 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 17
- 238000003756 stirring Methods 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 14
- 206010010144 Completed suicide Diseases 0.000 claims description 10
- 239000004411 aluminium Substances 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 10
- 229910052742 iron Inorganic materials 0.000 claims description 10
- FFEARJCKVFRZRR-UHFFFAOYSA-N methionine Chemical compound CSCCC(N)C(O)=O FFEARJCKVFRZRR-UHFFFAOYSA-N 0.000 claims description 10
- 239000000843 powder Substances 0.000 claims description 10
- INESHSIZOSSOEI-UHFFFAOYSA-N 5-amino-2-ethoxybenzenesulfonic acid Chemical compound CCOC1=CC=C(N)C=C1S(O)(=O)=O INESHSIZOSSOEI-UHFFFAOYSA-N 0.000 claims description 9
- 150000001875 compounds Chemical class 0.000 claims description 8
- 238000000227 grinding Methods 0.000 claims description 8
- 230000014759 maintenance of location Effects 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 239000011236 particulate material Substances 0.000 claims description 8
- 239000002131 composite material Substances 0.000 claims description 7
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 claims description 6
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 claims description 5
- 239000003398 denaturant Substances 0.000 claims description 5
- LLHKCFNBLRBOGN-UHFFFAOYSA-N propylene glycol methyl ether acetate Chemical compound COCC(C)OC(C)=O LLHKCFNBLRBOGN-UHFFFAOYSA-N 0.000 claims description 5
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 claims description 4
- 239000012760 heat stabilizer Substances 0.000 claims description 4
- WBZFUFAFFUEMEI-UHFFFAOYSA-M Acesulfame k Chemical compound [K+].CC1=CC(=O)[N-]S(=O)(=O)O1 WBZFUFAFFUEMEI-UHFFFAOYSA-M 0.000 claims description 3
- 229960004998 acesulfame potassium Drugs 0.000 claims description 3
- 235000010358 acesulfame potassium Nutrition 0.000 claims description 3
- 239000000619 acesulfame-K Substances 0.000 claims description 3
- XOZZATXWQMOVHL-UHFFFAOYSA-N n,n-dimethyl-1,1-di(propan-2-yloxy)methanamine Chemical compound CC(C)OC(N(C)C)OC(C)C XOZZATXWQMOVHL-UHFFFAOYSA-N 0.000 claims description 3
- AISMNBXOJRHCIA-UHFFFAOYSA-N trimethylazanium;bromide Chemical compound Br.CN(C)C AISMNBXOJRHCIA-UHFFFAOYSA-N 0.000 claims description 3
- BTJIUGUIPKRLHP-UHFFFAOYSA-N 4-nitrophenol Chemical compound OC1=CC=C([N+]([O-])=O)C=C1 BTJIUGUIPKRLHP-UHFFFAOYSA-N 0.000 claims description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 2
- IKRMZAOEXULJQX-UHFFFAOYSA-N calcium;3,7-dioxido-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane Chemical compound [Ca+2].O1B([O-])OB2OB([O-])OB1O2 IKRMZAOEXULJQX-UHFFFAOYSA-N 0.000 claims description 2
- 235000010299 hexamethylene tetramine Nutrition 0.000 claims description 2
- 239000004312 hexamethylene tetramine Substances 0.000 claims description 2
- 239000004615 ingredient Substances 0.000 claims description 2
- 239000011593 sulfur Substances 0.000 claims description 2
- 229910052717 sulfur Inorganic materials 0.000 claims description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 abstract description 18
- 238000000748 compression moulding Methods 0.000 abstract description 3
- 239000004322 Butylated hydroxytoluene Substances 0.000 abstract 1
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 abstract 1
- JRACIMOSEUMYIP-UHFFFAOYSA-N bis($l^{2}-silanylidene)iron Chemical compound [Si]=[Fe]=[Si] JRACIMOSEUMYIP-UHFFFAOYSA-N 0.000 abstract 1
- 229940095259 butylated hydroxytoluene Drugs 0.000 abstract 1
- 235000010354 butylated hydroxytoluene Nutrition 0.000 abstract 1
- 238000001125 extrusion Methods 0.000 abstract 1
- 238000005469 granulation Methods 0.000 abstract 1
- 230000003179 granulation Effects 0.000 abstract 1
- 238000004321 preservation Methods 0.000 abstract 1
- 239000003381 stabilizer Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 239000013078 crystal Substances 0.000 description 8
- 238000000465 moulding Methods 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 239000007769 metal material Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010791 quenching Methods 0.000 description 3
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- -1 dibenzylatiooluene Chemical compound 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 2
- 238000005453 pelletization Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- IQUPABOKLQSFBK-UHFFFAOYSA-N 2-nitrophenol Chemical compound OC1=CC=CC=C1[N+]([O-])=O IQUPABOKLQSFBK-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 241000283153 Cetacea Species 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- SRSXLGNVWSONIS-UHFFFAOYSA-N benzenesulfonic acid Chemical compound OS(=O)(=O)C1=CC=CC=C1 SRSXLGNVWSONIS-UHFFFAOYSA-N 0.000 description 1
- 229940092714 benzenesulfonic acid Drugs 0.000 description 1
- 230000031709 bromination Effects 0.000 description 1
- 238000005893 bromination reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007850 degeneration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002118 epoxides Chemical class 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- SKIVFJLNDNKQPD-UHFFFAOYSA-N sulfacetamide Chemical compound CC(=O)NS(=O)(=O)C1=CC=C(N)C=C1 SKIVFJLNDNKQPD-UHFFFAOYSA-N 0.000 description 1
- 229960002673 sulfacetamide Drugs 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C47/00—Making alloys containing metallic or non-metallic fibres or filaments
- C22C47/14—Making alloys containing metallic or non-metallic fibres or filaments by powder metallurgy, i.e. by processing mixtures of metal powder and fibres or filaments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/02—Compacting only
- B22F3/04—Compacting only by applying fluid pressure, e.g. by cold isostatic pressing [CIP]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/12—Both compacting and sintering
- B22F3/14—Both compacting and sintering simultaneously
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C49/00—Alloys containing metallic or non-metallic fibres or filaments
- C22C49/02—Alloys containing metallic or non-metallic fibres or filaments characterised by the matrix material
- C22C49/04—Light metals
- C22C49/06—Aluminium
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention discloses a preparing method and application of a high-strength metal composite. The method comprises the steps that aluminum powder, tungsten powder, iron disilicide, a nickel alloy, silicon nitride and calcium sulfate whiskers are subject to mixing and ball milling, water bath heat preservation is carried out, high-temperature mixing is achieved through a three-roller mixing machine, n-butyl stearate, tetrafluoroethylene, isopropenyl acetate, polyethylene glycol, butylated hydroxytoluene, 5-amidogen-2-ethoxy benzene sulfonic acid, DL-2-amidogen-4-methylthiobutyric acid, a heat stabilizing agent and a denaturing agent are added, secondary mixing is carried out, double-screw extrusion granulation is achieved, compression molding is carried out, and through high-temperature sintering and cooling, a finished product is obtained. The prepared high-strength metal composite is high in hardness and extensile strength, good in ductility, meanwhile, low in cost and capable of meeting the industry requirements, the good application prospect is achieved, and meanwhile the invention discloses the specific application range of the preparing method.
Description
Technical field
The present invention relates to metal material processing technical field, particularly to a kind of preparation side of high duty metal composite
Method and application.
Background technology
The range of application of metal material is extremely wide, and metal material wherein used in automobile making is very many, among these
The intensity of metal material and shock resistance are not the big factors mainly solving at present.Metal die is industrially commonly used, existing
The mould manufacturing method of technology is to be processed using Digit Control Machine Tool, through blanking, forging stock, annealing, preliminary working, polish,
More than ten procedures such as quench, be tempered, polishing, repairing a die complete, and the quenching technical of wherein rear operation requires strictly, and its scrappage is also relatively
Greatly, manufacturing wants one-year age can complete, if gone wrong in last quenching technical, such as hardening heat controls bad mould
Tool hardness does not reach requirement, or hardening crack leads to scrap, then lose great.
And metallic composite, the respective advantage of composition material can be played, the optimum realizing each composition material resource is joined
Put, save precious metal material, realize the unappeasable performance requirement of single metal, it both can substitute import and fill up domestic
Blank, has wide range of application again, has good economic benefit and social benefit.With ordinary metallic material ratio, metal is multiple
The impact strength of condensation material, fatigue strength and fracture toughness significantly improve, and have special hot expansibility.Although metal is multiple
Condensation material solves certain technical problem, but the intensity of composite can not meet all of application, for some
Very high industry is required to the strength of materials, in order to reach using effect, is necessary for by selecting rare metal or highly difficult multiple
Realizing the improvement of material property, this just brings the limitation in use cost to general labourer's skill.How to reduce Metals composite
While material cost, there is high intensity etc. and use characteristic, be the difficult problem that those skilled in the art need to solve.
Content of the invention
For solving above-mentioned technical problem, the present invention provides a kind of preparation method of high duty metal composite, by spy
Fixed production technology, is aided with Suitable base combination so that the high duty metal composite hardness that is prepared from is high, tensile strength
High, ductility is good, and cost is relatively low simultaneously, disclosure satisfy that the requirement of industry, has preferable application prospect.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of preparation method of high duty metal composite, comprises the following steps：
（1）By aluminium powder 50-60 part, tungsten powder 30-36 part, iron suicide 22-28 part, nickel alloy 18-20 part, silicon nitride 12-16 part, sulfur
Sour calcium pyroborate 6-10 part mixing, puts in rotating speed 400-500 r/min in ball mill, ratio of grinding media to material is 1:1 time ball milling 90 min；
（2）Ball-milled mixtures are put in water-bath, water-bath 50-60 min at temperature 80-85 DEG C；
（3）Mixture after water-bath is injected three roller kneading machines, stirs banburying 35-45 min under the conditions of 500 DEG C, subsequently successively
Add n-butyl stearate 15-25 part, tetrafluoroethene 12-18 part, methylvinyl acetate 8-10 part, Polyethylene Glycol 6-8 part, two fourths
Base hydroxy-methylbenzene 4-6 part, 5- amino -2- ethoxybenzene sulfonic acid 2-4 part, DL-2- amino -4- methylmercapto butyric acid 1-3 part, thermally-stabilised
Agent 2-4 part, denaturant 2-4 part, continue stirring banburying 20-30 min under the conditions of 350 DEG C；
（4）By the double screw extruder pelletize of the compound through banburying, a diameter of 65 mm of double-screw extruder screw, draw ratio
50：1, time of staying 4-6 min, pressure is 20 MPa；
（5）The particulate material extruded through double screw extruder is put in mould, with the pressure of 230-260 MPa in hydraulic press
Compressing, obtain green compact；
（6）Green compact are put in sintering furnace and is sintered, temperature is 1200 DEG C, sintering pressure is 4 MPa, temperature retention time is 1.5
H, obtains finished product after cooling.
Preferably, described heat stabilizer is selected from propylene glycol methyl ether acetate, 1,1- diisopropoxy trimethylamine, sulfacetamide
Any one or a few in sour potassium.
Preferably, described denaturant appointing in paranitrophenol, cetane trimethylammonium bromide, hexamethylenetetramine
Anticipate one or more.
Preferably, described step（3）In three roller kneading machines mixing speed be 900-1000 r/min.
Preferably, described step（4）The temperature parameter of middle double screw extruder is：One area's temperature 290-300 DEG C, two area's temperature
290-310 DEG C of degree, three area's temperature 295-315 DEG C, four area's temperature 280-300 DEG C, 310 DEG C of head temperature.
It is a further object to provide application in preparation composite containing metal ingredient for the above-mentioned preparation method.
Compared with prior art, its advantage is the present invention：
（1）The present invention is using first by aluminium powder, tungsten powder, iron suicide, nickel alloy, silicon nitride, calcium sulfate crystal whiskers mixing and ball milling, Ran Houshui
Bath insulation, then through three roller kneading machine high temperature banburyings, add n-butyl stearate, tetrafluoroethene, methylvinyl acetate, poly- second two
Alcohol, dibenzylatiooluene, 5- amino -2- ethoxybenzene sulfonic acid, DL-2- amino -4- methylmercapto butyric acid, heat stabilizer, degeneration
Secondary banburying after agent, double-screw extruding pelletizing, compression molding, high temperature sintering the cooled preparation method obtaining finished product so that
The high duty metal composite hardness being prepared from is high, tensile strength is high, ductility is good, and cost is relatively low simultaneously, disclosure satisfy that
The requirement of industry, has a good application prospect.
（2）The process is simple used by the preparation method of high duty metal composite of the present invention, is suitable to heavy industrialization
With practical.
Specific embodiment
With reference to specific embodiment, the technical scheme of invention is described in detail.
Embodiment 1
（1）50 parts of aluminium powder, 30 parts of tungsten powder, 22 parts of iron suicide, 18 parts of nickel alloy, 12 parts of silicon nitride, 6 parts of calcium sulfate crystal whiskers are mixed
Close, put in rotating speed 400 r/min in ball mill, ratio of grinding media to material is 1:1 time ball milling 90 min；
（2）Ball-milled mixtures are put in water-bath, water-bath 50 min at 80 DEG C of temperature；
（3）Mixture after water-bath is injected three roller kneading machines, stirs banburying 35 min under the conditions of 500 DEG C, subsequently add successively
Enter 15 parts of n-butyl stearate, 12 parts of tetrafluoroethene, 8 parts of methylvinyl acetate, 6 parts of Polyethylene Glycol, dibenzylatiooluene 4
Part, 2 parts of 5- amino -2- ethoxybenzene sulfonic acid, 1 part of DL-2- amino -4- methylmercapto butyric acid, 2 parts of propylene glycol methyl ether acetate, right
2 parts of nitrophenol, continues stirring banburying 20 min under the conditions of 350 DEG C, and in internal mixing pass, the stirring of three roller kneading machines is fast twice
Spend for 900 r/min；
（4）By the double screw extruder pelletize of the compound through banburying, a diameter of 65 mm of double-screw extruder screw, draw ratio
50：1, the time of staying 4 min, pressure is 20 MPa, and the temperature parameter of double screw extruder is：One 290 DEG C of area's temperature, two area's temperature
290 DEG C of degree, three 295 DEG C of area's temperature, four 280 DEG C of area's temperature, 310 DEG C of head temperature；
（5）The particulate material extruded through double screw extruder is put in mould, to suppress under the pressure of 230 MPa in hydraulic press
Molding, obtains green compact；
（6）Green compact are put in sintering furnace and is sintered, temperature is 1200 DEG C, sintering pressure is 4 MPa, temperature retention time is 1.5
H, obtains finished product after cooling.
Embodiment 2
（1）55 parts of aluminium powder, 33 parts of tungsten powder, 25 parts of iron suicide, 19 parts of nickel alloy, 14 parts of silicon nitride, 8 parts of calcium sulfate crystal whiskers are mixed
Close, put in rotating speed 450 r/min in ball mill, ratio of grinding media to material is 1:1 time ball milling 90 min；
（2）Ball-milled mixtures are put in water-bath, water-bath 55 min at 82 DEG C of temperature；
（3）Mixture after water-bath is injected three roller kneading machines, stirs banburying 40 min under the conditions of 500 DEG C, subsequently add successively
Enter 20 parts of n-butyl stearate, 15 parts of tetrafluoroethene, 9 parts of methylvinyl acetate, 7 parts of Polyethylene Glycol, dibenzylatiooluene 5
Part, 3 parts of 5- amino -2- ethoxybenzene sulfonic acid, 2 parts of DL-2- amino -4- methylmercapto butyric acid, 1,1- diisopropoxy trimethylamine 3
Part, 3 parts of cetane trimethylammonium bromide, continue stirring banburying 25 min, in internal mixing pass, three rollers mix twice under the conditions of 350 DEG C
The mixing speed of mill is 950 r/min；
（4）By the double screw extruder pelletize of the compound through banburying, a diameter of 65 mm of double-screw extruder screw, draw ratio
50：1, the time of staying 5 min, pressure is 20 MPa, and the temperature parameter of double screw extruder is：One 295 DEG C of area's temperature, two area's temperature
300 DEG C of degree, three 305 DEG C of area's temperature, four 290 DEG C of area's temperature, 310 DEG C of head temperature；
（5）The particulate material extruded through double screw extruder is put in mould, to suppress under the pressure of 245 MPa in hydraulic press
Molding, obtains green compact；
（6）Green compact are put in sintering furnace and is sintered, temperature is 1200 DEG C, sintering pressure is 4 MPa, temperature retention time is 1.5
H, obtains finished product after cooling.
Embodiment 3
（1）60 parts of aluminium powder, 36 parts of tungsten powder, 28 parts of iron suicide, 20 parts of nickel alloy, 16 parts of silicon nitride, 10 parts of calcium sulfate crystal whiskers are mixed
Close, put in rotating speed 500 r/min in ball mill, ratio of grinding media to material is 1:1 time ball milling 90 min；
（2）Ball-milled mixtures are put in water-bath, water-bath 60 min at 85 DEG C of temperature；
（3）Mixture after water-bath is injected three roller kneading machines, stirs banburying 45 min under the conditions of 500 DEG C, subsequently add successively
Enter 25 parts of n-butyl stearate, 18 parts of tetrafluoroethene, 10 parts of methylvinyl acetate, 8 parts of Polyethylene Glycol, dibenzylatiooluene 6
Part, 4 parts of 5- amino -2- ethoxybenzene sulfonic acid, 3 parts of DL-2- amino -4- methylmercapto butyric acid, 4 parts of acesulfame potassium, six methylenes
4 parts of urotropine, under the conditions of 350 DEG C continue stirring banburying 30 min, twice in internal mixing pass three roller kneading machines mixing speed
For 1000 r/min；
（4）By the double screw extruder pelletize of the compound through banburying, a diameter of 65 mm of double-screw extruder screw, draw ratio
50：1, the time of staying 6 min, pressure is 20 MPa, and the temperature parameter of double screw extruder is：One 300 DEG C of area's temperature, two area's temperature
310 DEG C of degree, three 315 DEG C of area's temperature, four 300 DEG C of area's temperature, 310 DEG C of head temperature；
（5）The particulate material extruded through double screw extruder is put in mould, to suppress under the pressure of 260 MPa in hydraulic press
Molding, obtains green compact；
（6）Green compact are put in sintering furnace and is sintered, temperature is 1200 DEG C, sintering pressure is 4 MPa, temperature retention time is 1.5
H, obtains finished product after cooling.
Embodiment 4
（1）60 parts of aluminium powder, 30 parts of tungsten powder, 28 parts of iron suicide, 18 parts of nickel alloy, 16 parts of silicon nitride, 6 parts of calcium sulfate crystal whiskers are mixed
Close, put in rotating speed 500 r/min in ball mill, ratio of grinding media to material is 1:1 time ball milling 90 min；
（2）Ball-milled mixtures are put in water-bath, water-bath 60 min at 80 DEG C of temperature；
（3）Mixture after water-bath is injected three roller kneading machines, stirs banburying 45 min under the conditions of 500 DEG C, subsequently add successively
Enter 15 parts of n-butyl stearate, 18 parts of tetrafluoroethene, 8 parts of methylvinyl acetate, 8 parts of Polyethylene Glycol, dibenzylatiooluene 4
Part, 4 parts of 5- amino -2- ethoxybenzene sulfonic acid, 1 part of DL-2- amino -4- methylmercapto butyric acid, 2 parts of propylene glycol methyl ether acetate, whale
4 parts of wax alkane trimethylammonium bromide, continues stirring banburying 20 min, three roller kneading machine in internal mixing pass twice under the conditions of 350 DEG C
Mixing speed be 1000 r/min；
（4）By the double screw extruder pelletize of the compound through banburying, a diameter of 65 mm of double-screw extruder screw, draw ratio
50：1, the time of staying 4 min, pressure is 20 MPa, and the temperature parameter of double screw extruder is：One 300 DEG C of area's temperature, two area's temperature
290 DEG C of degree, three 315 DEG C of area's temperature, four 280 DEG C of area's temperature, 310 DEG C of head temperature；
（5）The particulate material extruded through double screw extruder is put in mould, to suppress under the pressure of 260 MPa in hydraulic press
Molding, obtains green compact；
（6）Green compact are put in sintering furnace and is sintered, temperature is 1200 DEG C, sintering pressure is 4 MPa, temperature retention time is 1.5
H, obtains finished product after cooling.
Comparative example 1
（1）60 parts of aluminium powder, 36 parts of tungsten powder, 28 parts of iron suicide, 20 parts of nickel alloy, 16 parts of silicon nitride, 10 parts of calcium sulfate crystal whiskers are mixed
Close, put in rotating speed 500 r/min in ball mill, ratio of grinding media to material is 1:1 time ball milling 90 min；
（2）Ball-milled mixtures are put in water-bath, water-bath 60 min under temperature 70 C；
（3）Mixture after water-bath is injected three roller kneading machines, stirs banburying 45 min under the conditions of 600 DEG C, subsequently add successively
Enter 25 parts of n-butyl stearate, 18 parts of tetrafluoroethene, 10 parts of methylvinyl acetate, 8 parts of Polyethylene Glycol, dibenzylatiooluene 6
Part, 4 parts of 5- amino -2- ethoxybenzene sulfonic acid, 3 parts of DL-2- amino -4- methylmercapto butyric acid, 4 parts of acesulfame potassium, six methylenes
4 parts of urotropine, under the conditions of 350 DEG C continue stirring banburying 60 min, twice in internal mixing pass three roller kneading machines mixing speed
For 1200 r/min；
（4）By the double screw extruder pelletize of the compound through banburying, a diameter of 65 mm of double-screw extruder screw, draw ratio
50：1, the time of staying 6 min, pressure is 20 MPa, and the temperature parameter of double screw extruder is：One 300 DEG C of area's temperature, two area's temperature
310 DEG C of degree, three 315 DEG C of area's temperature, four 300 DEG C of area's temperature, 310 DEG C of head temperature；
（5）The particulate material extruded through double screw extruder is put in mould, to suppress under the pressure of 260 MPa in hydraulic press
Molding, obtains green compact；
（6）Green compact are put in sintering furnace and is sintered, temperature is 1200 DEG C, sintering pressure is 3MPa, temperature retention time is 1.5
H, obtains finished product after cooling.
Comparative example 2
（1）By 60 parts of aluminium powder, 30 parts of tungsten powder, 28 parts of iron suicide, 18 parts of nickel alloy, 6 parts of mixing of calcium sulfate crystal whiskers, put into ball mill
In in rotating speed 500 r/min, ratio of grinding media to material is 1:1 time ball milling 90 min；
（2）Ball-milled mixtures are put in water-bath, water-bath 60 min at 80 DEG C of temperature；
（3）Mixture after water-bath is injected three roller kneading machines, stirs banburying 45 min under the conditions of 500 DEG C, subsequently add successively
Enter 15 parts of n-butyl stearate, 18 parts of tetrafluoroethene, 8 parts of methylvinyl acetate, 4 parts of dibenzylatiooluene, 5- amino -2- second
4 parts of epoxide benzenesulfonic acid, 1 part of DL-2- amino -4- methylmercapto butyric acid, 2 parts of propylene glycol methyl ether acetate, cetane trimethyl bromination
4 parts of ammonium, continues stirring banburying 20 min, in internal mixing pass, the mixing speed of three roller kneading machines is twice under the conditions of 350 DEG C
1000 r/min；
（4）By the double screw extruder pelletize of the compound through banburying, a diameter of 65 mm of double-screw extruder screw, draw ratio
50：1, the time of staying 4 min, pressure is 20 MPa, and the temperature parameter of double screw extruder is：One 300 DEG C of area's temperature, two area's temperature
290 DEG C of degree, three 315 DEG C of area's temperature, four 280 DEG C of area's temperature, 310 DEG C of head temperature；
（5）The particulate material extruded through double screw extruder is put in mould, to suppress under the pressure of 260 MPa in hydraulic press
Molding, obtains green compact；
（6）Green compact are put in sintering furnace and is sintered, temperature is 1200 DEG C, sintering pressure is 4 MPa, temperature retention time is 1.5
H, obtains finished product after cooling.
By the high duty metal composite being obtained by the preparation method of embodiment 1-4 and comparative example 1-2 according to country
The method of standard or industry standard carries out case hardness, tensile strength, this several performance tests of elongation percentage, the test of gained respectively
The results are shown in Table 1.
Table 1
| Case hardness（HPR） | Tensile strength（MPa） | Elongation percentage δ 5（%） | |
| Embodiment 1 | 75 | 850 | 11 |
| Embodiment 2 | 82 | 990 | 15 |
| Embodiment 3 | 80 | 940 | 14 |
| Embodiment 4 | 77 | 920 | 12 |
| Comparative example 1 | 64 | 630 | 9 |
| Comparative example 2 | 66 | 610 | 8 |
The present invention is using first by aluminium powder, tungsten powder, iron suicide, nickel alloy, silicon nitride, calcium sulfate crystal whiskers mixing and ball milling, then water-bath
Insulation, then through three roller kneading machine high temperature banburyings, add n-butyl stearate, tetrafluoroethene, methylvinyl acetate, Polyethylene Glycol,
After dibenzylatiooluene, 5- amino -2- ethoxybenzene sulfonic acid, DL-2- amino -4- methylmercapto butyric acid, heat stabilizer, denaturant
Secondary banburying, double-screw extruding pelletizing, compression molding, high temperature sintering the cooled preparation method obtaining finished product are so that prepare
High duty metal composite hardness high, tensile strength is high, ductility is good, cost is relatively low simultaneously, disclosure satisfy that industry
Requirement, have a good application prospect.The process is simple used by the preparation method of high duty metal composite of the present invention, fits
Use in heavy industrialization, practical.
The foregoing is only embodiments of the invention, not thereby limit the present invention the scope of the claims, every using this
Equivalent structure or equivalent flow conversion that bright description is made, or directly or indirectly it is used in other related technology necks
Domain, is included within the scope of the present invention.
Claims (6)
1. a kind of preparation method of high duty metal composite is it is characterised in that comprise the following steps：
（1）By aluminium powder 50-60 part, tungsten powder 30-36 part, iron suicide 22-28 part, nickel alloy 18-20 part, silicon nitride 12-16 part, sulfur
Sour calcium pyroborate 6-10 part mixing, puts in rotating speed 400-500 r/min in ball mill, ratio of grinding media to material is 1:1 time ball milling 90 min；
（2）Ball-milled mixtures are put in water-bath, water-bath 50-60 min at temperature 80-85 DEG C；
（3）Mixture after water-bath is injected three roller kneading machines, stirs banburying 35-45 min under the conditions of 500 DEG C, subsequently successively
Add n-butyl stearate 15-25 part, tetrafluoroethene 12-18 part, methylvinyl acetate 8-10 part, Polyethylene Glycol 6-8 part, two fourths
Base hydroxy-methylbenzene 4-6 part, 5- amino -2- ethoxybenzene sulfonic acid 2-4 part, DL-2- amino -4- methylmercapto butyric acid 1-3 part, thermally-stabilised
Agent 2-4 part, denaturant 2-4 part, continue stirring banburying 20-30 min under the conditions of 350 DEG C；
（4）By the double screw extruder pelletize of the compound through banburying, a diameter of 65 mm of double-screw extruder screw, draw ratio
50：1, time of staying 4-6 min, pressure is 20 MPa；
（5）The particulate material extruded through double screw extruder is put in mould, with the pressure of 230-260 MPa in hydraulic press
Compressing, obtain green compact；
（6）Green compact are put in sintering furnace and is sintered, temperature is 1200 DEG C, sintering pressure is 4 MPa, temperature retention time is 1.5
H, obtains finished product after cooling.
2. high duty metal composite according to claim 1 preparation method it is characterised in that：Described heat stabilizer
Any one or a few in propylene glycol methyl ether acetate, 1,1- diisopropoxy trimethylamine, acesulfame potassium.
3. high duty metal composite according to claim 1 preparation method it is characterised in that：Described denaturant choosing
Any one or a few from paranitrophenol, cetane trimethylammonium bromide, hexamethylenetetramine.
4. the preparation method of high duty metal composite according to claim 1 is it is characterised in that described step（3）
In three roller kneading machines mixing speed be 900-1000 r/min.
5. the preparation method of high duty metal composite according to claim 1 is it is characterised in that described step（4）
The temperature parameter of middle double screw extruder is：One area's temperature 290-300 DEG C, two area's temperature 290-310 DEG C, three area's temperature 295-
315 DEG C, four area's temperature 280-300 DEG C, 310 DEG C of head temperature.
6. application in preparation composite containing metal ingredient for the preparation method described in any one of claim 1-5.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104057091A (en) * | 2013-03-20 | 2014-09-24 | 江苏天一超细金属粉末有限公司 | Metal, ceramic powder and polymer mixture used for manufacturing metal and ceramic products and method for hydrolyzing and removing polymer from moldings |
| CN104057092A (en) * | 2013-03-20 | 2014-09-24 | 江苏天一超细金属粉末有限公司 | Metal, ceramic powder and polymer mixture used for manufacturing metal and ceramic products and method for removing polymer from moldings |
| CN104057089A (en) * | 2013-03-20 | 2014-09-24 | 江苏天一超细金属粉末有限公司 | Metal, ceramic powder and polymer mixture used for manufacturing metal and ceramic products and method for removing polymer from moldings by acid catalysis |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104057091A (en) * | 2013-03-20 | 2014-09-24 | 江苏天一超细金属粉末有限公司 | Metal, ceramic powder and polymer mixture used for manufacturing metal and ceramic products and method for hydrolyzing and removing polymer from moldings |
| CN104057092A (en) * | 2013-03-20 | 2014-09-24 | 江苏天一超细金属粉末有限公司 | Metal, ceramic powder and polymer mixture used for manufacturing metal and ceramic products and method for removing polymer from moldings |
| CN104057089A (en) * | 2013-03-20 | 2014-09-24 | 江苏天一超细金属粉末有限公司 | Metal, ceramic powder and polymer mixture used for manufacturing metal and ceramic products and method for removing polymer from moldings by acid catalysis |
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