CN106367661B - A kind of preparation method of particle enhancing Fe-base surface compound material - Google Patents
A kind of preparation method of particle enhancing Fe-base surface compound material Download PDFInfo
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- CN106367661B CN106367661B CN201610832506.8A CN201610832506A CN106367661B CN 106367661 B CN106367661 B CN 106367661B CN 201610832506 A CN201610832506 A CN 201610832506A CN 106367661 B CN106367661 B CN 106367661B
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- 239000002245 particle Substances 0.000 title claims abstract description 51
- 239000000463 material Substances 0.000 title claims abstract description 22
- 150000001875 compounds Chemical class 0.000 title claims abstract description 6
- 230000002708 enhancing effect Effects 0.000 title abstract description 20
- 238000002360 preparation method Methods 0.000 title description 11
- 239000002131 composite material Substances 0.000 claims abstract description 50
- 239000000919 ceramic Substances 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 23
- 238000005245 sintering Methods 0.000 claims abstract description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 59
- 239000000843 powder Substances 0.000 claims description 48
- 229910052742 iron Inorganic materials 0.000 claims description 24
- 238000005266 casting Methods 0.000 claims description 22
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 15
- 239000010439 graphite Substances 0.000 claims description 13
- 229910002804 graphite Inorganic materials 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 10
- 238000000498 ball milling Methods 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 8
- 239000011651 chromium Substances 0.000 claims description 7
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 229910052804 chromium Inorganic materials 0.000 claims description 5
- 238000011065 in-situ storage Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 4
- 238000001291 vacuum drying Methods 0.000 claims description 4
- 239000002023 wood Substances 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229910001018 Cast iron Inorganic materials 0.000 claims description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 2
- 229910001141 Ductile iron Inorganic materials 0.000 claims description 2
- 229910001060 Gray iron Inorganic materials 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- 238000005054 agglomeration Methods 0.000 claims description 2
- 230000002776 aggregation Effects 0.000 claims description 2
- 238000005275 alloying Methods 0.000 claims description 2
- 238000003763 carbonization Methods 0.000 claims description 2
- 235000021180 meal component Nutrition 0.000 claims description 2
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- 238000005496 tempering Methods 0.000 claims description 2
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims description 2
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 2
- 238000010792 warming Methods 0.000 claims description 2
- 229910000954 Medium-carbon steel Inorganic materials 0.000 claims 1
- SHPBBNULESVQRH-UHFFFAOYSA-N [O-2].[O-2].[Ti+4].[Zr+4] Chemical compound [O-2].[O-2].[Ti+4].[Zr+4] SHPBBNULESVQRH-UHFFFAOYSA-N 0.000 claims 1
- 238000009413 insulation Methods 0.000 claims 1
- 239000008188 pellet Substances 0.000 claims 1
- 239000011159 matrix material Substances 0.000 abstract description 9
- 238000010438 heat treatment Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 6
- 239000011156 metal matrix composite Substances 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 238000000227 grinding Methods 0.000 description 6
- 229910000734 martensite Inorganic materials 0.000 description 6
- 235000019628 coolness Nutrition 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 238000000280 densification Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000011812 mixed powder Substances 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 241000256844 Apis mellifera Species 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- NPXOKRUENSOPAO-UHFFFAOYSA-N Raney nickel Chemical compound [Al].[Ni] NPXOKRUENSOPAO-UHFFFAOYSA-N 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910052702 rhenium Inorganic materials 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/02—Making ferrous alloys by powder metallurgy
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/08—Casting in, on, or around objects which form part of the product for building-up linings or coverings, e.g. of anti-frictional metal
- B22D19/085—Casting in, on, or around objects which form part of the product for building-up linings or coverings, e.g. of anti-frictional metal of anti-frictional metal
-
- 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
- B22F3/10—Sintering only
- B22F3/105—Sintering only by using electric current other than for infrared radiant energy, laser radiation or plasma ; by ultrasonic bonding
-
- 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
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
-
- 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
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
- B22F2009/043—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by ball milling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
- Powder Metallurgy (AREA)
Abstract
The present invention relates to a kind of method for being suitable to prepare particle enhancing Fe-base surface compound material, belong to field of metal matrix composite.Ceramic particle Fe radicle enhancing composite material is prepared using suitable ceramic particle, discharge plasma sintering process, pouring technology and Technology for Heating Processing in the present invention.Composite bed is well combined with base material and ceramic particle with matrix, adds the anti-wear performance that ceramic particle greatly enhances material.
Description
Technical field
The invention belongs to field of metal matrix composite, and in particular to a kind of side for being suitable to prepare Fe-base surface compound material
Method.
Background technology
According to the condition of work of structural member, by friction surface movement velocity pressing force and its caused plastic deformation medium
The influence of property and form many wear characteristics.And its wearability depends primarily on hardness, material crystal structure and crystal and dissolved each other
The factor such as property and obdurability, plasticity.Therefore the various parts requirement composites used in engineering should meet that surface is high
The characteristics of wearability and the good plasticity of center portion, toughness, the excellent wearability of composite material surface was so both given full play to,
Composite is set to be not likely to produce global failure when being subjected to impact, the performance advantage realized between enhancing particle and matrix is complementary, most
The service life of material is improved eventually.
The method for improving product anti-wear performance is a lot of, and many high-abrasive materials developed in the recent period are such as：Chinese invention patent
CN104439192 discloses a kind of present invention ceramic honeycomb-metallic composite grinding roller of vertical mill preparation method.Honeybee is prepared first
Nest porous ceramics-wear-resisting the insert of metallic composite, and being heat-treated to it, then in inlaid hole, inlay post upper outer surface
Fireproof coating is applied, wear-resisting insert, which is embedded in inlaid hole, makes wear-resisting insert firmly splice together, is put into grinding roller of vertical mill sand mold, so
After cast melted molten metal, composite grinding roller of vertical mill is formed after complete solidification, composite grinding roller of vertical mill carries out overall
The metallic composite grinding roller of vertical mill of ceramic honeycomb one is prepared in heat treatment.This method preparation technology is complicated, if honeycomb
There is closed pore in shape precast body, in follow-up casting of molten metal, molten metal is difficult to go deep into closed pore gap, and ultimately forming hole influences material
The performance of material.Chinese invention patent CN1273152A, which is disclosed, have been invented one kind ceramic particle iron base composite material is made into pressed compact simultaneously
Cast(ing) surface is fixed on, directly pressed compact is sintered on casting parent using the heat of the high temperature smuggled goods molten iron of casting pouring.This
Powder metallurgy is combined by kind casting method with casting well, but hole in pressed compact be present, in subsequent casting process,
Though there is heat to sinter pressed compact, it can not be made completely fine and close, can not finally ensure the wearability of material.And for example Chinese invention is special
The invention discloses a kind of composite abrasion-proof inner plate by sharp CN104249504A, it is proposed that a kind of resistance to break-in for manufacturing composite abrasion-proof inner plate
Golden composition assembles and the preparation method of composite abrasion-proof inner plate, the antifriction alloy that wherein wearing layer uses by it is single plus or be added with Cr, C,
The elements such as Si, Mn, S, P, Mo, Ni, Cu, Re and iron-based material composition, and the manufacture method of the composite abrasion-proof inner plate, it is mainly resistance to
The material of mill layer and basic unit divides stove melting, and then cast molding again, the abrasion-proof composite plate wearability of the structure is good, uses this method
Degree of adhesion is high between the composite abrasion-proof inner plate composite bed of manufacture, greatly improves the service life of composite abrasion-proof inner plate.These methods
The anti-wear performance of material mainly is heightened by improving the alloying element content in wearing layer, adds the cost of raw material；By
Linked together in wearing layer and basic unit, be difficult the relation of regulation and control therebetween in follow-up heat treatment process, it is difficult to reach table
Face possesses high wearability, and matrix is but also with good toughness.
The content of the invention
To solve problem and shortage existing for technology of preparing, the present invention provides a kind of wear-resisting working surface by novelty first
The preparation method that ceramic particle metal-base composites and substrate metal match, it is characterised in that comprise the following steps：
Step 1：Discharge plasma sintering-casting prepares Fe-base surface compound material, it is characterised in that by additional or
The method of fabricated in situ adds ceramic particle into matrix, by discharge plasma sintering with casting the method being combined preparation
Grain enhancing iron base composite material.
Step 2：By above-mentioned ceramic particle or can it is in situ into particle and metal powder and add the 6~10% of powder total amount
Mechanization alloy ball milling, 150~300 revs/min of ball milling speed, Ball-milling Time 4~18 hours are carried out after absolute ethyl alcohol.Dried in vacuum
In dry case, through 100 DEG C of drying.
Step 3：Above-mentioned mixing powder is fitted into graphite jig and is put into discharge plasma sintering intracavitary powder is carried out
Pressure sintering, the axial compressive force of plasma agglomeration is 20~50MPa, after vacuumizing, is warming up to 900~1200 DEG C, programming rate
30~120 DEG C/min, ceramic particle metal-base composites wearing layer is prepared.
Step 4：Wear-resisting surface is needed by casting is fixed on above-mentioned wear-resisting product, is heated to 140~300 DEG C, will
During industry is conventional, carbon steel or gray cast iron or nodular cast iron or rich chromium cast iron solution pour into casting mold, pouring temperature is 1400~
1550℃.Ceramic particle metal-base composites is directly sintered on casting by the heat of melt during cast, cooled and solidified.
Step 6：Technology for Heating Processing is：Quenching technical is 850 DEG C~1050 DEG C and is incubated 20min~60min, air cooling；Tempering
Technique is 150 DEG C~500 DEG C and is incubated 0.5h~2, air cooling.
Step 7：The granularity of ceramic particle powder and metal powder is all >=200 mesh in step 2, and wherein ceramic powder is tungsten carbide powder
Carbonized titanium powder or carbonization vanadium powder or can fabricated in situ carbide particle component powder or apply nickel aluminium oxide powder or two
Zirconia powder.
Step 8：Metal meal component used is pure Fe powder or alloyed powder (wherein Cu in step 5：1~3% (weight), Ni：
1~30% (weight), Mo：0~10% (weight), Cr：1~3% (weight), C：3~5% (weight), Fe surpluses).
Step 9：It is put into step 5 after ball-milled powder drying in graphite jig, wherein 30~80g of ball-milled powder, graphite mo(u)ld
Tool size is 10~30mm of Φ.When ball-milled powder is put into graphite jig, between powder and graphite jig with smooth carbon paper every
Open, be easy to be stripped.
Compared with the prior art the present invention, has the advantage that：
1. the ceramic particle Fe radicle enhancing composite material prepared due to this method beforehand through discharge plasma sintering and cause
Density is up to more than >=99%, overcomes the shortcomings that casting blends cast-sintering method, ceramic particle volume fraction is high, distribution of particles
Uniformly, surface quality is good, and thickness distribution is uniform.
The preparation of ceramic particle Fe radicle enhancing composite material wearing layer and base material is separate, and base is poured into casting mold
During material solution, the wearing layer performance being pre-placed in casting mold is almost unaffected.
Wear extent significantly reduces 6%~40%.
Example is embodied
Embodiment 1
This embodiment is using W and C fabricated in situ WC particles, wherein the size for the W powder selected is 25 μm, its main component
For WC and a small amount of W2C, addition 40wt%, hardness are about 2110HV；Matrix composition is to be about containing C about 1wt%, Cu contents
1.5wt%, remaining is Fe.
The preparation method of the WC particle enhancing iron base composite material of this embodiment is as follows：
By size all for 25 μm W powder, pure Fe powder, Cu powder, C powder mix, and add 8% absolute ethyl alcohol, be put into ball milling
Further mixed in machine.Then dried in vacuum drying box, obtain mixed-powder.Powder will be mixed and be put into graphite jig
In be placed into discharging plasma sintering equipment and carry out densification sintering, obtain the 25vol% that consistency reaches more than 99.9%
WC particle strengthens iron base composite material.Being processed into required shape and be fixed on mould WC particle enhancing iron base composite material need to be resistance to
Position is ground, is preheated at a temperature of 150 DEG C, it is its 10 times 45 molten steel to pour into quality, and pouring temperature is about 1460 DEG C.After casting
WC particle enhancing iron base composite material is heat-treated, and technique is 900 DEG C × 20min- air coolings -200 DEG C × 1h- air coolings.
Iron base composite material is strengthened to the WC particle after heat treatment using pin-on-disc friction wear test method and martensite is resistance to
Mill steel polishing machine is contrasted, it is found that (80N) 10h wears under room temperature condition uniform pressure, WC particle enhancing iron-based composite wood
The wear extent of material is only the 6% of martensite wear resistant steel.
Embodiment 2
The size for the WC particle that this embodiment of this embodiment is selected is 25 μm, and its main component is for WC and on a small quantity
W2C, addition 40wt%, hardness are about 2120HV；It containing C about 1wt%, Cu contents is about 1.5wt% that matrix composition, which is, remaining
For Fe.
The preparation method of the WC particle enhancing iron base composite material of this embodiment is as follows：
By size all for 25 μm WC particle, pure Fe powder, Cu powder, C powder mix, and add 8% absolute ethyl alcohol, be put into ball
Further mixed in grinding machine.Then dried in vacuum drying box, obtain mixed-powder.Powder will be mixed and be put into graphite mo(u)ld
It is placed into tool in discharging plasma sintering equipment and carries out densification sintering, is obtained consistency and reach more than 99.9%
25vol%WC particle reinforced iron matrix composites.WC particle enhancing iron base composite material is processed into required shape and is fixed on
Mould needs wear-resisting position, is preheated at a temperature of 150 DEG C, it is its 10 times 45 molten steel to pour into quality, and pouring temperature is about 1450 DEG C.
WC particle enhancing iron base composite material after casting is heat-treated, technique is -200 DEG C × 1h- of 900 DEG C × 20min- air coolings empty
It is cold.
Iron base composite material is strengthened to the WC particle after heat treatment using pin-on-disc friction wear test method and martensite is resistance to
Mill steel polishing machine is contrasted, it is found that (80N) 10h wears under room temperature condition uniform pressure, WC particle enhancing iron-based composite wood
The wear extent of material is only the 15% of martensite wear resistant steel.
Example 3
The size for the WC particle that this embodiment is selected is 0~50 μm, and its main component is WC and a small amount of W2C, add
It is about 2130HV to measure as 40wt%, hardness；Matrix composition is containing C about 1wt%, and Cu contents are about 1.5wt%, Cr about 2wt% its
Remaining is Fe.
The preparation method of the WC particle enhancing iron base composite material of this embodiment is as follows：
By size all for 25 μm WC particle, pure Fe powder, Cu powder, C powder, Cr powder mix, and add 8% absolute ethyl alcohol,
It is put into ball mill and is further mixed.Then dried in vacuum drying box, obtain mixed-powder.Powder will be mixed to be put into
It is placed into graphite jig in discharging plasma sintering equipment and carries out densification sintering, is obtained consistency and reach more than 99.9%
11vol%WC particle reinforced iron matrix composites.WC particle enhancing iron base composite material is processed into required shape and is fixed on
Mould needs wear-resisting position, is preheated at a temperature of 150 DEG C, it is its 10 times 45 molten steel to pour into quality, and pouring temperature is about 1450 DEG C.
WC particle enhancing iron base composite material after casting is heat-treated, technique is -200 DEG C × 1h- of 900 DEG C × 20min- air coolings empty
It is cold.
Iron base composite material is strengthened to the WC particle after heat treatment using pin-on-disc friction wear test method and martensite is resistance to
Mill steel polishing machine is contrasted, it is found that (80N) 10h wears under room temperature condition uniform pressure, WC particle enhancing iron-based composite wood
The wear extent of material is only the 4% of martensite wear resistant steel.
Claims (3)
1. a kind of method that discharge plasma sintering-casting prepares Fe-base surface compound material, it is characterised in that the iron-based table
Surface composite material includes casting and the ceramic particle metal-base composites wearing layer being fixed on the cast(ing) surface, this method bag
Include following steps：
Ceramic particle carries out mechanization alloying pellet after 6~10% absolute ethyl alcohol of powder total amount is added with the metal powder containing Fe
Mill, 150~300 revs/min of ball milling speed, Ball-milling Time 4~18 hours；In vacuum drying box, through 100 DEG C of drying；It will mix
Powder is fitted into graphite jig and is put into discharge plasma sintering intracavitary carries out pressure sintering to powder, and consistency is prepared and reaches
To more than 99.9% ceramic particle metal-base composites wearing layer；
The composite-material abrasive layer, which is sequentially fixed at casting, needs wear-resisting surface, 140~300 DEG C is heated to, by melting
Medium carbon steel or gray cast iron or nodular cast iron or rich chromium cast iron pour into casting mold, 1400~1550 DEG C of pouring temperature, melt during cast
Ceramic particle metal-base composites is directly sintered on casting by heat, cooled and solidified, forms the fe-based surface composite wood
Material；
By described 850 DEG C~1050 DEG C insulation 20min~60min of composite, air cooling；150 DEG C~500 DEG C guarantors of tempering process
Temperature, the air cooling of 0.5h~2；
Wherein, the granularity of ceramic particle and the metal powder containing Fe all >=200 mesh；
Wherein ceramic particle be tungsten carbide powder or carbonized titanium powder or carbonization vanadium powder or can fabricated in situ carbide particle component powder
End, or apply the aluminium oxide powder or titanium dioxide zirconium powder of nickel；Metal meal component used is pure Fe powder or alloyed powder, the alloyed powder
Middle percentage by weight is Cu：1~3%, Ni：1~30%, Mo：0~10%, Cr：1~3%, C：3~5%, Fe surplus.
2. the method according to claim 11, it is characterized in that：It is put into graphite jig, weighs after powder drying after ball milling
30~80g of powder after ball milling, graphite jig size are 10~30mm of Φ；When powder after ball milling is put into graphite jig, in powder
Separated between end and graphite jig with smooth carbon paper, be easy to be stripped.
3. according to the method for claim 1 it is characterized in that：The axial compressive force of plasma agglomeration is 20~50MPa, is vacuumized
Afterwards, 900~1200 DEG C are warming up to, 30~120 DEG C/min of programming rate.
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| CN107557691A (en) * | 2017-07-31 | 2018-01-09 | 常州诺丁精密机械制造有限公司 | A kind of preparation method of wear resistant alloy material |
| CN108676986A (en) * | 2018-04-09 | 2018-10-19 | 昆明理工大学 | A kind of heat treatment process of ceramics enhancing iron base composite material |
| CN109457190A (en) * | 2018-06-27 | 2019-03-12 | 河源市山峰金属制品有限公司 | A kind of WC particle enhancing Fe base powder metallurgy material and preparation method thereof |
| CN109338250A (en) * | 2018-10-29 | 2019-02-15 | 昆明理工大学 | A kind of iron-based porous amorphous alloy and preparation method |
| CN111926237B (en) * | 2020-08-19 | 2022-06-21 | 西华大学 | Surface alloying method for wear-resistant steel casting |
| CN112570686A (en) * | 2020-10-23 | 2021-03-30 | 湖南工业大学 | Method for optimizing tungsten carbide particle reinforced iron-based composite material interface |
| CN112548104B (en) * | 2020-12-23 | 2021-10-12 | 长沙理工大学 | Method for reducing hot cracking sensitivity in die steel laser additive repair process |
| CN112872360B (en) * | 2021-01-13 | 2024-01-02 | 山西盛世永恒工程咨询有限公司 | Mixed forming method of iron-based wear-resistant material |
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| AT413952B (en) * | 2003-12-18 | 2006-07-15 | Arc Leichtmetallkompetenzzentrum Ranshofen Gmbh | PARTICLE REINFORCED LIGHT METAL ALLOY |
| CN101112718B (en) * | 2007-08-28 | 2010-07-28 | 暨南大学 | Ceramic particle reinforced Fe-based composite material and method for preparing the same |
| CN101161374B (en) * | 2007-11-27 | 2010-08-11 | 吉林大学 | Reactant composition for preparing multiple phase confusion TiB2-TiC ceramic particle gradient enhancement metal-based complex material |
| CN102277533B (en) * | 2011-07-26 | 2013-01-09 | 吉林大学 | In-situ nano TiC ceramic particle reinforced iron matrix composite material and preparation method thereof |
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Address after: 100083 No. 18 clear road, Haidian District, Beijing Co-patentee after: Shandong Longji Machinery Co., Ltd. Patentee after: Beijing Institute of light quantitative science and Research Co., Ltd. Address before: 100083 No. 18 clear road, Haidian District, Beijing Co-patentee before: Shandong Longji Machinery Co., Ltd. Patentee before: Advanced Manufacture Technology Center,China Academy of Machinery Science & Technology |