CN109352800A - A kind of ceramic particle reinforced metal matrix composite material preform forming method and device - Google Patents
A kind of ceramic particle reinforced metal matrix composite material preform forming method and device Download PDFInfo
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- CN109352800A CN109352800A CN201810987523.8A CN201810987523A CN109352800A CN 109352800 A CN109352800 A CN 109352800A CN 201810987523 A CN201810987523 A CN 201810987523A CN 109352800 A CN109352800 A CN 109352800A
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- 239000000919 ceramic Substances 0.000 title claims abstract description 56
- 239000002245 particle Substances 0.000 title claims abstract description 38
- 239000000463 material Substances 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000011156 metal matrix composite Substances 0.000 title claims 2
- 238000010438 heat treatment Methods 0.000 claims abstract description 61
- 238000001035 drying Methods 0.000 claims abstract description 7
- 239000007921 spray Substances 0.000 claims abstract description 5
- 239000000654 additive Substances 0.000 claims abstract description 4
- 239000000203 mixture Substances 0.000 claims abstract description 4
- 239000011230 binding agent Substances 0.000 claims abstract description 3
- 238000005507 spraying Methods 0.000 claims description 12
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 239000004033 plastic Substances 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 239000002131 composite material Substances 0.000 abstract description 21
- 229910052751 metal Inorganic materials 0.000 abstract description 19
- 239000002184 metal Substances 0.000 abstract description 19
- 238000004519 manufacturing process Methods 0.000 abstract description 17
- 238000000465 moulding Methods 0.000 abstract description 14
- 238000005516 engineering process Methods 0.000 abstract description 6
- 238000002156 mixing Methods 0.000 abstract description 5
- 230000000996 additive effect Effects 0.000 abstract description 3
- 230000001413 cellular effect Effects 0.000 abstract description 2
- 238000010924 continuous production Methods 0.000 abstract description 2
- 239000000945 filler Substances 0.000 abstract description 2
- 239000002344 surface layer Substances 0.000 abstract description 2
- 230000002708 enhancing effect Effects 0.000 description 8
- 238000002360 preparation method Methods 0.000 description 5
- 238000007596 consolidation process Methods 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 229910001018 Cast iron Inorganic materials 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 235000019353 potassium silicate Nutrition 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 3
- 229910000617 Mangalloy Inorganic materials 0.000 description 2
- 229910000954 Medium-carbon steel Inorganic materials 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- 229910052580 B4C Inorganic materials 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000016784 immunoglobulin production Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005058 metal casting Methods 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 229910052845 zircon Inorganic materials 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/02—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form
- B28B3/022—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form combined with vibrating or jolting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
- B28B13/02—Feeding the unshaped material to moulds or apparatus for producing shaped articles
- B28B13/0215—Feeding the moulding material in measured quantities from a container or silo
- B28B13/023—Feeding the moulding material in measured quantities from a container or silo by using a feed box transferring the moulding material from a hopper to the moulding cavities
- B28B13/0235—Feeding the moulding material in measured quantities from a container or silo by using a feed box transferring the moulding material from a hopper to the moulding cavities the feed box being provided with agitating means, e.g. stirring vanes to avoid premature setting of the moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/02—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form
- B28B3/021—Ram heads of special form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/02—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form
- B28B3/025—Hot pressing, e.g. of ceramic materials
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/10—Alloys containing non-metals
- C22C1/1005—Pretreatment of the non-metallic additives
- C22C1/1015—Pretreatment of the non-metallic additives by preparing or treating a non-metallic additive preform
- C22C1/1021—Pretreatment of the non-metallic additives by preparing or treating a non-metallic additive preform the preform being ceramic
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/10—Alloys containing non-metals
- C22C1/1036—Alloys containing non-metals starting from a melt
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
Abstract
The present invention discloses a kind of ceramic particle reinforced metal base composites precast body manufacturing process and device, belongs to the field of engineering technology of ceramic particle reinforced metal base composites industrialized production.The method of the invention can mix ceramic particle with binder, additive, and it is tamped by mold, in conjunction with vibration and the continuous production that is heating and curing, it is uniformly mixed mixing, material spray, filler, vibration, molding, a series of processes such as heat drying are carried out continuously, the method of the invention can be realized serialization and prepare cellular porous ceramics preparative body, reduce the human cost in production process, improving production efficiency；Simultaneously, it is ensured that each process, each link influence the factor of product quality all in slave mode, provide reliable apparatus guarantee to produce the ceramic honeycomb surface layer composite component of high quality.
Description
Technical field
The present invention relates to a kind of ceramic particle reinforced metal base composites precast body manufacturing process and devices, belong to ceramics
The field of engineering technology of particles reiforced metal-base composition industrialized production.
Background technique
With advances in technology with the continuous development of modernization industrial technology, every profession and trade rhythm of production is constantly promoted, mechanical
The running speed of equipment is also stepping up, and the abrasion of bring component of machine is also constantly accelerated therewith, along with
The applying working condition of the continuous exploitation of excellent mineral resources, equipment is worsening, and such as grinding roller is stepped on most of wear member and is required to
It is used under the complex conditions such as abrasion, burn into high temperature, impact, traditional single metal alloy wear-resistant material has been unable to meet life
The needs of production, be increasingly becoming restrict industrial technological advancement short slab, ceramic particle reinforced metal base wearing coat composite material at
For new research hotspot.
The preparation of ceramic particle precast body is to produce the key link of ceramic particle enhancing composite material and related components,
And time and technology stability is spent to require to be much higher than other production links.Its preparation section is related to: ceramic particle and bonding
Agent, matching for additive when mix；The tooling of mixed material；The treatment processes such as the hardening of precast body.Such as use manual method system
Standby precast body, production efficiency is low, is unfavorable for large-scale industrial production, and the technology stability prepared by hand is not high, will be to multiple
The control of the quality of condensation material and its components brings adverse effect.
The preparation of industrialization of ceramic honeycomb precast body is the basis for realizing composite material commercial applications, actual components
Composite material one-pass molding block size is larger, and the preparation of single ceramic honeycomb precast body is fast with hardening, molding modulus
Slowly, the features such as size is small and of large quantities, therefore plan composite material block prefabricated section to resolve into muti-piece ceramic honeycomb prefabricated
Body preparation, while becoming inevitable using the prefabricated Antibody Production Techniques of ceramic honeycomb of mechanization.
Summary of the invention
The purpose of the present invention is to provide a kind of ceramic particle reinforced metal base composites precast body manufacturing process, with full
The industrialized requirement of sufficient honeycomb skin layer composite material, specifically includes the following steps:
(1) weighed ceramic particle, binder, additive uniformly mixed, mixed paste will be put into batch mixer 1 according to the ratio
Object is put into hopper 2, is pressurizeed using dehvery pump 3 to paste, and paste is made to be ejected into honeycomb model from injection pipe 4
In lower die 8, the gap of lower die 8 is filled up by the way that the mobile drive injection pipe 4 of mechanical arm 5 is mobile；Using lower heating plate 9 to lower die
8 carry out drying of the heating realization to material, while 7 liters of upper heating plate preheat upper mold 6；
(2) using the flat bogie 10 for having vibration device 11, lower die 8 is vibrated, guarantees the uniformity of precast body；Will under
Mould 8 is moved to molding station, and mold closing mechanism 12 moves down upper mold 6 by lifting device 18 and completes molding, and the consolidation paste that pressurizes
Shape object；
(3) mold is heated using upper heating plate 7, lower heating plate 9, waves moisture and pore creating material in precast body sufficiently
Hair obtains ceramic honeycomb porous preform after demoulding.
Another object of the present invention is to provide the method equipment therefors, including batch mixer 1, hopper 2, dehvery pump 3, spray
Expects pipe 4, mechanical arm 5, upper mold 6, upper heating plate 7, lower die 8, lower heating plate 9, flat electric trolley 10, vibration device 11, molding
Device 12, bracket 13, weight bearing foundation 14, bearing soleplate 15, lifting device 18；Batch mixer 1 is fixed on 13 upper end of bracket, hopper 2
It is placed in immediately below batch mixer 1 and schedules on bracket 13, bracket 13 is fixed on weight bearing foundation 14；3 input terminal of dehvery pump and material
Struggling against, 2 bottoms are connected, and output end is connect with stuff-spraying pipe 4, and stuff-spraying pipe 4 is that plastic hose rides over the front end of mechanical arm 5, and is fixed on machine
On tool arm 5, the rear end of mechanical arm 5 is fixed on bracket 13, can drive 4 front and back of stuff-spraying pipe by 5 front end of swing mechanical arm
It swings, uniform distribution；Lower die 8 is located at the underface of stuff-spraying pipe 4, is placed in heating plate 9, on the fixed vibration device 11 of heating plate 9,
Vibration device 11 is located on the bearing soleplate 15 of flat electric trolley 10；Upper mold 6 is fixed on the lower section of heating plate 7, upper heating
The both ends of plate 7 are fixed on lifting device 18, and lifting device 18 is located at the side of bracket 13.
Preferably, vibration device 11 of the present invention includes vibration spring 16 and vibration motor 17, and vibration motor 17 is fixed
In 15 center of bearing soleplate, shakes spring 16 and be fixed between bearing soleplate 15 and lower heating plate 9.
Preferably, upper mold 6 of the present invention is punch-pin, and lower die 8 is cavity plate, and mold is honeycomb structure；Institute's compression moulding
Ceramic honeycomb porous preform, honeycomb structure be conducive to composite material molten metal casting seep forming process in, guarantee fund
Belong to the abundant infiltration of liquid.
Beneficial effects of the present invention:
(1) the method for the invention can reduce human cost, improving production efficiency, while may insure each process, each link
The factor of product quality is influenced all in slave mode, is provided reliably to produce the ceramic honeycomb surface layer composite component of high quality
Equipment guarantee realizes the standardized production of ceramic particle reinforced metal base composites precast body.
(2) due to being equipped with independent batch mixer, ceramics preparative body uniformity obtained is good；The equipment can be with serialization simultaneously
Production, mixing, material spray, filler, vibration be uniformly mixed, molding, a series of processes such as heat drying can be carried out continuously, and casts
Core making machine needs to stop production process after a collection of precast body is made every time and is demoulded, and cannot achieve continuous production, in reality
Production efficiency is not high in the industrial production of border.
Detailed description of the invention
Fig. 1 is the industrialization shaping automation equipment schematic diagram of ceramic honeycomb porous preform；
Fig. 2 is the molding die schematic diagram of ceramic honeycomb porous preform；
Fig. 3 is cellular porous ceramics preparative body.
In figure: 1- batch mixer；2- hopper；3- dehvery pump；4- stuff-spraying pipe；5- mechanical arm；6- upper mold；The upper heating plate of 7-；8-
Lower die；Heating plate under 9-；10- flat electric trolley；11- vibration device；12- mold closing mechanism；13- bracket；14- weight bearing foundation；
15- bearing soleplate；16- shakes spring；17- vibration motor；18- lifting device.
Specific embodiment
The present invention is made further to detailed description combined with specific embodiments below, but protection scope of the present invention and unlimited
In the content.
1 ~ 3 equipment therefor of the embodiment of the present invention is as shown in Figure 1 and 2, including batch mixer 1, hopper 2, dehvery pump 3, stuff-spraying pipe 4,
Mechanical arm 5, upper mold 6, upper heating plate 7, lower die 8, lower heating plate 9, flat electric trolley 10, vibration device 11, mold closing mechanism 12,
Bracket 13, weight bearing foundation 14, bearing soleplate 15, lifting device 18；Batch mixer 1 is fixed on 13 upper end of bracket, and hopper 2 is placed in mixed
Immediately below material machine 1 and due on bracket 13, bracket 13 is fixed on weight bearing foundation 14；3 input terminal of dehvery pump and 2 bottom phase of hopper
Even, output end is connect with stuff-spraying pipe 4, and stuff-spraying pipe 4 is that plastic hose rides over the front end of mechanical arm 5, and is fixed on mechanical arm 5,
The rear end of mechanical arm 5 is fixed on bracket 13, can drive 4 swing of stuff-spraying pipe by 5 front end of swing mechanical arm, uniformly
Cloth；Lower die 8 is located at the underface of stuff-spraying pipe 4, is placed in heating plate 9, on the fixed vibration device 11 of heating plate 9, vibration device
11 are located on the bearing soleplate 15 of flat electric trolley 10；Upper mold 6 is fixed on the lower section of heating plate 7, the both ends of upper heating plate 7
It is fixed on lifting device 18, lifting device 18 is located at the side of bracket 13；Vibration device 11 includes vibration spring 16 and vibration
Motor 17, vibration motor 17 are fixed on 15 center of bearing soleplate, vibration spring 16 be fixed on bearing soleplate 15 and lower heating plate 9 it
Between；The upper mold 6 is punch-pin, and lower die 8 is cavity plate, and mold is honeycomb structure.
Embodiment 1
(1) the Zircon corundum ceramics particle of 25 mesh and waterglass and alumina powder are sufficiently mixed in batch mixer 1, the ratio of three
Example respectively 90wt.%, 8wt.%, 2wt.%, mixing time 15min, mixed paste are put into hopper 2, utilize conveying
It pumps 3 pairs of paste to pressurize, makes paste from the lower die 8 that injection pipe 4 is ejected into honeycomb model, pass through mechanical arm 5
It is mobile that the movement of injection pipe 4 is driven to fill up the gap of lower die 8；Heating is carried out to lower die 8 using lower heating plate 9 to realize to material
It is dry, drying condition are as follows: temperature is increased to 500 DEG C, keeps the temperature 2h, heating rate is 80 DEG C/h；Upper heating plate 7 is warming up to simultaneously
500 DEG C and 60min is kept the temperature, heating rate is 100 DEG C/h, is preheated to upper mold 6.
(2) using the flat bogie 10 for having vibration device 11, (2min) is vibrated to lower die 8, guarantees precast body
Uniformity；Lower die 8 is moved to molding station, mold closing mechanism 12 moves down upper mold 6 by lifting device 18 and completes to close (molding
Pressure is 0.1MPa), and the consolidation paste that pressurizes；
(3) mold being heated using upper heating plate 7, lower heating plate 9, heating temperature is 250 DEG C, heating time 30min,
So that moisture and pore creating material in precast body is sufficiently volatilized, obtains ceramic honeycomb porous preform (as shown in Figure 3) after demoulding.
The ceramic particle precast body intensity that the present embodiment is prepared can resist 1000 DEG C of high temperature, and ceramic particle distribution is equal
It is even, promote molten metal flowing, while ceramic particle and molten metal wetability are good, there is preferable interface performance, ceramic particle is not
It is easy to fall off from metallic matrix, ceramic particle precast body hardness with higher obtained and good wearability.
Ceramic particle precast body made from the present embodiment is used to prepare enhancing metal-base composites, precast body is placed
At the enhancing surface type chamber needed for casting, molten metal is poured into precast body, wherein the molten metal is ultra-high manganese steel.Ceramics
Grain enhancing ultra-high manganese steel composite material enhances the hard of its surface while ensure that higher toughness and work hardening ability
Degree and wearability.
Embodiment 2
(1) alumina ceramic grain of 18 mesh and waterglass and titanium carbide powder are sufficiently mixed in batch mixer 1, the ratio of three
Example respectively 92wt.%, 5wt.%, 3wt.%, mixing time 20min, mixed paste are put into hopper 2, utilize conveying
It pumps 3 pairs of paste to pressurize, makes paste from the lower die 8 that injection pipe 4 is ejected into honeycomb model, pass through mechanical arm 5
It is mobile that the movement of injection pipe 4 is driven to fill up the gap of lower die 8；Heating is carried out to lower die 8 using lower heating plate 9 to realize to material
It is dry, drying condition are as follows: temperature is increased to 600 DEG C, keeps the temperature 2.5h, heating rate is 90 DEG C/h；Upper heating plate heating simultaneously
To 650 DEG C and 90min is kept the temperature, heating rate is 120 DEG C/h, is preheated to upper mold.
(2) using the flat bogie 10 for having vibration device 11, (32min) is vibrated to lower die 8, guarantees precast body
Uniformity；Lower die 8 is moved to molding station, mold closing mechanism 12 moves down upper mold 6 by lifting device 18 and completes to close (molding
Pressure is 0.15MPa), and the consolidation paste that pressurizes；
(3) mold being heated using upper heating plate 7, lower heating plate 9, heating temperature is 200 DEG C, heating time 40min,
So that moisture and pore creating material in precast body is sufficiently volatilized, obtains ceramic honeycomb porous preform (as shown in Figure 3) after demoulding.
The ceramic particle precast body intensity that the present embodiment is prepared can resist 1000 DEG C of high temperature, and ceramic particle distribution is equal
It is even, promote molten metal flowing, while ceramic particle and molten metal wetability are good, there is preferable interface performance, ceramic particle is not
It is easy to fall off from metallic matrix, ceramic particle precast body hardness with higher obtained and good wearability.
Ceramic particle precast body made from the present embodiment is used to prepare enhancing metal-base composites, precast body is placed
At the enhancing surface type chamber needed for casting, molten metal is poured into precast body, wherein the molten metal is common medium-carbon steel.Ceramics
Particle enhances common medium-carbon steel composite material, enhances the hardness of material while ensure that carbon steel certain weldability.
Embodiment 3
(1) the boron carbide ceramics particle of 40 mesh and waterglass and alumina powder are sufficiently mixed in batch mixer 1, the ratio of three
Example respectively 95wt.%, 3wt.%, 2wt.%, mixing time 25min, mixed paste are put into hopper 2, utilize conveying
It pumps 3 pairs of paste to pressurize, makes paste from the lower die 8 that injection pipe 4 is ejected into honeycomb model, pass through mechanical arm 5
It is mobile that the movement of injection pipe 4 is driven to fill up the gap of lower die 8；Heating is carried out to lower die 8 using lower heating plate 9 to realize to material
It is dry, drying condition are as follows: temperature is increased to 650 DEG C, keeps the temperature 2h, heating rate is 95 DEG C/h；Upper heating plate is warming up to simultaneously
700 DEG C and 90min is kept the temperature, heating rate is 110 DEG C/h, is preheated to upper mold.
(2) using the flat bogie 10 for having vibration device 11, (4min) is vibrated to lower die 8, guarantees precast body
Uniformity；Lower die 8 is moved to molding station, mold closing mechanism 12 moves down upper mold 6 by lifting device 18 and completes to close (molding
Pressure is 0.1MPa), and the consolidation paste that pressurizes.
(3) mold is heated using upper heating plate 7, lower heating plate 9, heating temperature is 220 DEG C, and heating time is
35min；So that moisture and pore creating material in precast body is sufficiently volatilized, ceramic honeycomb porous preform is obtained after demoulding (such as Fig. 3 institute
Show).
The ceramic particle precast body intensity that the present embodiment is prepared can resist 1000 DEG C of high temperature, and ceramic particle distribution is equal
It is even, promote molten metal flowing, while ceramic particle and molten metal wetability are good, there is preferable interface performance, ceramic particle is not
It is easy to fall off from metallic matrix, ceramic particle precast body hardness with higher obtained and good wearability.
Ceramic particle precast body made from the present embodiment is used to prepare enhancing metal-base composites, precast body is placed
At the enhancing surface type chamber needed for casting, molten metal is poured into precast body, wherein the molten metal is cast iron.Ceramic particle increases
Strong cast iron composite material, further improves the hardness and wearability of cast iron.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810987523.8A CN109352800B (en) | 2018-08-28 | 2018-08-28 | A kind of ceramic particle reinforced metal matrix composite material preform forming method and device |
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| CN201810987523.8A CN109352800B (en) | 2018-08-28 | 2018-08-28 | A kind of ceramic particle reinforced metal matrix composite material preform forming method and device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110076322A (en) * | 2019-04-24 | 2019-08-02 | 宁国市开源电力耐磨材料有限公司 | A kind of ceramics enhancing steel base wearable composite material preparation and preparation method thereof |
| CN114683380A (en) * | 2022-04-01 | 2022-07-01 | 天长市中德电子有限公司 | Novel automatic manganese-zinc soft magnetic ferrite core die |
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| CN110076322B (en) * | 2019-04-24 | 2022-04-26 | 宁国市开源电力耐磨材料有限公司 | Ceramic reinforced steel-based wear-resistant composite material and preparation method thereof |
| CN114683380A (en) * | 2022-04-01 | 2022-07-01 | 天长市中德电子有限公司 | Novel automatic manganese-zinc soft magnetic ferrite core die |
| CN114683380B (en) * | 2022-04-01 | 2024-05-28 | 天长市中德电子有限公司 | Novel automatic manganese zinc soft magnetic ferrite core die |
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