CN106367661A - Preparation method for particle-reinforced iron-based surface composite material - Google Patents

Preparation method for particle-reinforced iron-based surface composite material Download PDF

Info

Publication number
CN106367661A
CN106367661A CN201610832506.8A CN201610832506A CN106367661A CN 106367661 A CN106367661 A CN 106367661A CN 201610832506 A CN201610832506 A CN 201610832506A CN 106367661 A CN106367661 A CN 106367661A
Authority
CN
China
Prior art keywords
powder
composite
particle
ceramic particle
metal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201610832506.8A
Other languages
Chinese (zh)
Other versions
CN106367661B (en
Inventor
张展展
陈蕴博
张海燕
张洋
左玲立
祁晔思
刘晓萍
魏毅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Institute of light quantitative science and Research Co., Ltd.
Shandong Longji Machinery Co., Ltd.
Original Assignee
SHANDONG LONGJI MACHINERY CO Ltd
Advanced Manufacture Technology Center China Academy of Machinery Science and Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SHANDONG LONGJI MACHINERY CO Ltd, Advanced Manufacture Technology Center China Academy of Machinery Science and Technology filed Critical SHANDONG LONGJI MACHINERY CO Ltd
Priority to CN201610832506.8A priority Critical patent/CN106367661B/en
Publication of CN106367661A publication Critical patent/CN106367661A/en
Application granted granted Critical
Publication of CN106367661B publication Critical patent/CN106367661B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C33/00Making ferrous alloys
    • C22C33/02Making ferrous alloys by powder metallurgy
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D19/00Casting in, on, or around objects which form part of the product
    • B22D19/08Casting in, on, or around objects which form part of the product for building-up linings or coverings, e.g. of anti-frictional metal
    • B22D19/085Casting 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER
    • B22F3/00Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/10Sintering only
    • B22F3/105Sintering only by using electric current other than for infra-red radiant energy, laser radiation or plasma ; by ultrasonic bonding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER
    • B22F9/00Making metallic powder or suspensions thereof
    • B22F9/02Making metallic powder or suspensions thereof using physical processes
    • B22F9/04Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER
    • B22F9/00Making metallic powder or suspensions thereof
    • B22F9/02Making metallic powder or suspensions thereof using physical processes
    • B22F9/04Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
    • B22F2009/043Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by ball milling

Abstract

The invention relates to a method suitable for preparing a particle-reinforced iron-based surface composite material and belongs to the field of metal-based composite materials. The method adopts appropriate ceramic particles, a spark plasma sintering technology, a pouring technology and a heat treatment technology, and the particle-reinforced iron-based surface composite material is obtained. A composite layer and a base material as well as the ceramic particles and a base body are all well combined. The abrasion resistance of the particle-reinforced iron-based surface composite material is improved to a great extent by adding the ceramic particles.

Description

A kind of granule strengthens the preparation method of Fe-base surface compound material
Technical field
The invention belongs to field of metal matrix composite is and in particular to a kind of side being suitable to prepare Fe-base surface compound material Method.
Background technology
According to the working condition of structural member, by the plastic deformation medium of friction surface movement velocity pressing force and its generation The impact of property and form many wear characteristics.And its wearability depends primarily on hardness, material crystal structure and crystal and dissolves each other Property and the factor such as obdurability, plasticity.It is high that the various parts using therefore in engineering require composite should meet surface Wearability and the good plasticity of center portion, the feature of toughness, had so both given full play to the excellent wearability of composite material surface, Composite is made to be not likely to produce global failure when being subjected to impact it is achieved that the performance advantage strengthening between granule and matrix is complementary, Improve the service life of material eventually.
The method improving product anti-wear performance is a lot of, and in the recent period many high-abrasive materials of development are such as: Chinese invention patent Cn104439192 discloses a kind of ceramic honeycomb metallic composite grinding roller of vertical mill preparation method of the present invention.Prepare honeybee first Nest porous ceramic material composite-material abrasive insert, and heat treatment is carried out to it, then in inlaid hole, inlay post upper outer surface Apply fireproof coating, wear-resisting insert is embedded makes wear-resisting insert firmly splice together in inlaid hole, put in grinding roller of vertical mill sand mold, so After cast melted molten metal, form composite grinding roller of vertical mill after solidifying completely, composite grinding roller of vertical mill carries out entirety Heat treatment prepares ceramic honeycomb one metallic composite grinding roller of vertical mill.This method complicated process of preparation, 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, ultimately forms hole impact material The performance of material.Ceramic particle iron base composite material is made pressed compact simultaneously by the open one kind of having invented of Chinese invention patent cn1273152a It is fixed on cast(ing) surface, the heat using the high temperature smuggled goods molten iron of casting pouring directly pressed compact is sintered on foundry goods parent.This Plant casting method well powder metallurgy to be combined with casting, but in pressed compact, there is hole, in subsequent casting process, Though there being heat that pressed compact is sintered, it cannot be made completely fine and close, finally cannot ensure the wearability of material.And for example Chinese invention is special Sharp cn104249504a is the invention discloses a kind of composite abrasion-proof inner plate is it is proposed that a kind of resistance to break-in of manufacture composite abrasion-proof inner plate Golden composition assemble and composite abrasion-proof inner plate preparation method, the antifriction alloy that wherein wearing layer adopts by single plus or be added with cr, c, The elements such as si, mn, s, p, mo, ni, cu, re and iron composition, and the manufacture method of this composite abrasion-proof inner plate, mainly resistance to The material of mill layer and basic unit divides stove melting, then cast molding again, and the abrasion-proof composite plate wearability of this structure is good, using the method Between the composite abrasion-proof inner plate composite bed manufacturing, degree of adhesion is high, greatly improves the service life of composite abrasion-proof inner plate.These methods Mainly heighten the anti-wear performance of material by improving the alloying element content in wearing layer, increased the cost of raw material;By Link together with basic unit in wearing layer, follow-up heat treatment process is difficult to regulation and control relation therebetween it is difficult to reach table Face possesses high wearability, and matrix is but also with good toughness.
Content of the invention
For solving the problem and shortage that technology of preparing exists, the present invention provides a kind of wear-resisting working surface first by novelty The preparation method that ceramic particle metal-base composites and substrate metal match is it is characterised in that comprise the steps:
Step 1: discharge plasma sintering casting prepares Fe-base surface compound material it is characterised in that passing through additional or original position The method of synthesis adds ceramic particle in matrix, prepares granule by the method that discharge plasma sintering is combined with casting and increases Strong iron base composite material.
Step 2: by above-mentioned ceramic particle or the granule that can become in situ with metal powder and adds the 6~10% of powder total amount Carry out mechanization alloy ball milling, 150~300 revs/min of ball milling speed, Ball-milling Time 4~18 hours after dehydrated alcohol.Dry in vacuum In dry case, dry through 100 DEG C.
Step 3: above-mentioned mixing powder is loaded in graphite jig and puts into discharge plasma sintering intracavity powder is carried out Pressure sintering, the axial compressive force of plasma agglomeration is 20~50mpa, after evacuation, is warming up to 900~1200 DEG C, programming rate 30~120 DEG C/min, prepare ceramic particle metal-base composites wearing layer.
Step 4: it is fixed on the wear-resisting surface of foundry goods needs by having above-mentioned wear-resisting product, be heated to 140~300 DEG C, will During industry is conventional, carbon steel or casting pig or nodular cast iron or rich chromium cast iron solution pour into casting mold, pouring temperature is 1400~ 1550℃.During cast, the heat of melt directly ceramic particle metal-base composites is sintered on foundry goods, cooled and solidified.
Step 6: Technology for Heating Processing is: quenching technical is 850 DEG C~1050 DEG C insulation 20 min~60min, air cooling;Tempering Technique is 150 DEG C~500 DEG C insulation 0.5h~2, air cooling.
Step 7: in step 2, ceramic particle powder and the granularity of metal powder are all >=200 mesh, wherein ceramics are tungsten carbide powder Or carbonized titanium powder or carbonization vanadium powder or can the powder of fabricated in situ carbide particle component or the aluminium oxide powder or two applying nickel Zirconia powder.
Step 8: metal meal component used in step 5 is pure fe powder or alloyed powder (wherein cu:1~3%(weight), ni:1 ~30%(weight), mo:0~10%(weight), cr:1~3%(weight) and, c:3~5%(weight), fe surplus).
Step 9: in step 5, ball-milled powder is put in graphite jig after drying, wherein ball-milled powder 30~80g, graphite mo(u)ld Tool a size of φ 10~30mm.When ball-milled powder puts into graphite jig, between powder and graphite jig with smooth carbon paper every Open, be easy to the demoulding.
Compared with the prior art the present invention, has the advantage that
1. the ceramic particle Fe radicle enhancing composite material prepared beforehand through discharge plasma sintering due to this method and consistency Up to more than >=99%, overcome the shortcoming that casting blends cast-sintering method, ceramic particle volume fraction is high, even particle distribution, 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, pours into base in casting mold During material solution, in casting mold, prepositioned wearing layer performance is almost unaffected.
Wear extent significantly reduces 6%~40%.
It is embodied as example
Embodiment 1
This embodiment utilizes w and c fabricated in situ wc granule, and the wherein size of the w powder of selection is 25 m, and its main component is wc And a small amount of w2C, addition is 40 wt%, and hardness is about 2110hv;Matrix composition is containing c about 1wt%, and cu content is about 1.5 Wt %, remaining is fe.
The preparation method of the wc particle reinforced iron matrix composites of this embodiment is as follows:
Size is all the w powder of 25 m, pure fe powder, cu powder, the mixing of c powder, and adds 8% dehydrated alcohol, put in ball mill Row mixes further.Then dry in vacuum drying box, obtain mixed-powder.Put into juxtaposition in graphite jig by mixing powder Enter and in discharging plasma sintering equipment, carry out densification sintering, obtain the 25vol%wc granule increasing that consistency reaches more than 99.9% Strong iron base composite material.Wc particle reinforced iron matrix composites are processed into required form and are fixed on the wear-resisting position of mould need, Preheat at a temperature of 150 DEG C, pouring into quality is its 10 times 45 molten steel, pouring temperature is about 1460 DEG C.To wc granule after casting Strengthen iron base composite material and carry out heat treatment, technique is 900 DEG C × 20min- air cooling -200 DEG C × 1h- air cooling.
Resistance to martensite to the wc particle reinforced iron matrix composites after heat treatment using pin-on-disc friction wear test method Mill steel polishing machine is contrasted, and finds (80n) 10h abrasion under room temperature condition uniform pressure, and wc granule strengthens iron-based composite wood The wear extent of material is only the 6% of martensite wear resistant steel.
Embodiment 2
The size of the wc granule that this embodiment of this embodiment is selected is 25 m, and its main component is wc and a small amount of w2C, plus Entering amount is 40 wt%, and hardness is about 2120hv;Matrix composition is containing c about 1wt%, and cu content is about 1.5 wt %, and remaining is fe.
The preparation method of the wc particle reinforced iron matrix composites of this embodiment is as follows:
Size is all the wc granule of 25 m, pure fe powder, cu powder, the mixing of c powder, and adds 8% dehydrated alcohol, put into ball mill In mixed further.Then dry in vacuum drying box, obtain mixed-powder.Put into mixing powder in graphite jig It is placed in discharging plasma sintering equipment carrying out densification sintering, obtain that consistency reaches more than 99.9% 25vol%wc Grain strengthens iron base composite material.Wc particle reinforced iron matrix composites are processed into required form and are fixed on the wear-resisting position of mould need Put, preheat at a temperature of 150 DEG C, pouring into quality is its 10 times 45 molten steel, pouring temperature is about 1450 DEG C.To wc after casting Grain strengthens iron base composite material and carries out heat treatment, and technique is 900 DEG C × 20min- air cooling -200 DEG C × 1h- air cooling.
Resistance to martensite to the wc particle reinforced iron matrix composites after heat treatment using pin-on-disc friction wear test method Mill steel polishing machine is contrasted, and finds (80n) 10h abrasion under room temperature condition uniform pressure, wc granule strengthens iron-based composite wood The wear extent of material is only the 15% of martensite wear resistant steel.
Example 3
The size of the wc granule that this embodiment is selected is 0~50 m, and its main component is wc and a small amount of w2C, addition is 40 wt%, hardness is about 2130hv;Matrix composition is containing c about 1wt%, and cu content is about 1.5 wt %, cr about 2 wt % remaining be fe.
The preparation method of the wc particle reinforced iron matrix composites of this embodiment is as follows:
Size is all the wc granule of 25 m, pure fe powder, cu powder, c powder, the mixing of cr powder, and adds 8% dehydrated alcohol, put into ball Mixed further in grinding machine.Then dry in vacuum drying box, obtain mixed-powder.Put into graphite mo(u)ld by mixing powder It is placed in discharging plasma sintering equipment carrying out densification sintering in tool, obtain the 11vol% that consistency reaches more than 99.9% Wc particle reinforced iron matrix composites.By wc particle reinforced iron matrix composites be processed into required form and be fixed on mould need resistance to Mill position, preheats, pouring into quality is its 10 times 45 molten steel at a temperature of 150 DEG C, and pouring temperature is about 1450 DEG C.After casting Wc particle reinforced iron matrix composites carry out heat treatment, and technique is 900 DEG C × 20min- air cooling -200 DEG C × 1h- air cooling.
Resistance to martensite to the wc particle reinforced iron matrix composites after heat treatment using pin-on-disc friction wear test method Mill steel polishing machine is contrasted, and finds (80n) 10h abrasion under room temperature condition uniform pressure, and wc granule strengthens iron-based composite wood The wear extent of material is only the 4% of martensite wear resistant steel.

Claims (7)

1. discharge plasma sintering-casting prepares Fe-base surface compound material it is characterised in that passing through additional or fabricated in situ Method add ceramic particle in matrix, by discharge plasma sintering with casting method prepare granule strengthen iron-based be combined Material.
2. particle reinforced iron matrix composites according to claim 1, is characterized in that: ceramic particle or can become in situ Carry out mechanization alloy ball milling, ball milling speed after grain and 6~10% of the metal powder addition powder total amount containing fe dehydrated alcohol 150~300 revs/min, Ball-milling Time 4~18 hours;In vacuum drying box, dry through 100 DEG C;Powder will be mixed and load graphite In mould and put into discharge plasma sintering intracavity pressure sintering is carried out to powder, prepare ceramic particle metal-based compound material Material wearing layer.
3. ceramic particle metal-base composites according to claim 2, is characterized in that: composite-material abrasive layer is solid successively Being scheduled on foundry goods needs wear-resisting surface, is heated to 140~300 DEG C, will in melting, carbon steel or casting pig or nodular cast iron or height Chrome cast iron pours into casting mold, 1400~1550 DEG C of pouring temperature, and during cast, the heat of melt is directly by ceramic particle metal-based compound Material is sintered on foundry goods, cooled and solidified.
4. Fe-base surface compound material according to claim 3, is characterized in that: by 850 DEG C~1050 DEG C guarantors of composite Warm 20 min~60min, air cooling;150 DEG C~500 DEG C insulation 0.5h~2 air coolings of tempering process.
5. ceramic particle powder according to claim 2 and alloyed powder, is characterized in that: granularity is all >=200 mesh, wherein pottery Powder is tungsten carbide powder or carbonized titanium powder or carbonization vanadium powder or can the powder of fabricated in situ carbide particle component or three oxygen applying nickel Change two aluminium powders or titanium dioxide zirconium powder;Metal meal component used is pure fe powder or alloyed powder (wherein cu:1~3%(weight), ni:1 ~30%(weight), mo:0~10%(weight), cr:1~3%(weight) and, c:3~5%(weight), fe surplus).
6. ball-milled powder according to claim 2, is characterized in that: powder is put in graphite jig after drying, and weighs ball milling Powder 30~80g, graphite jig a size of φ 10~30mm;When ball-milled powder puts into graphite jig, in powder and graphite jig Between separated with smooth carbon paper, be easy to the demoulding.
7. plasma agglomeration according to claim 2, is characterized in that: the axial compressive force of sintering is 20~50mpa, evacuation Afterwards, it is warming up to 900~1200 DEG C, 30~120 DEG C/min of programming rate.
CN201610832506.8A 2016-09-20 2016-09-20 A kind of preparation method of particle enhancing Fe-base surface compound material Active CN106367661B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610832506.8A CN106367661B (en) 2016-09-20 2016-09-20 A kind of preparation method of particle enhancing Fe-base surface compound material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610832506.8A CN106367661B (en) 2016-09-20 2016-09-20 A kind of preparation method of particle enhancing Fe-base surface compound material

Publications (2)

Publication Number Publication Date
CN106367661A true CN106367661A (en) 2017-02-01
CN106367661B CN106367661B (en) 2018-03-09

Family

ID=57896858

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610832506.8A Active CN106367661B (en) 2016-09-20 2016-09-20 A kind of preparation method of particle enhancing Fe-base surface compound material

Country Status (1)

Country Link
CN (1) CN106367661B (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
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
CN111926237A (en) * 2020-08-19 2020-11-13 西华大学 Surface alloying method for wear-resistant steel casting
CN112548104A (en) * 2020-12-23 2021-03-26 长沙理工大学 Method for reducing hot cracking sensitivity in die steel laser additive repair process
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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005059189A1 (en) * 2003-12-18 2005-06-30 Arc Leichtmetallkompetenzze- Ntrum Ranshofen Gmbh Particle reinforced light-metal alloy
CN101112718A (en) * 2007-08-28 2008-01-30 暨南大学 Ceramic particle Fe radicle enhancing composite material and method for preparing the same
CN101161374A (en) * 2007-11-27 2008-04-16 吉林大学 Method for preparing multiple phase confusion TiB*-TiC ceramic particle gradient enhancement metal-based complex material
CN102277533A (en) * 2011-07-26 2011-12-14 吉林大学 In-situ nano TiC ceramic particle reinforced iron matrix composite material and preparation method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005059189A1 (en) * 2003-12-18 2005-06-30 Arc Leichtmetallkompetenzze- Ntrum Ranshofen Gmbh Particle reinforced light-metal alloy
CN101112718A (en) * 2007-08-28 2008-01-30 暨南大学 Ceramic particle Fe radicle enhancing composite material and method for preparing the same
CN101161374A (en) * 2007-11-27 2008-04-16 吉林大学 Method for preparing multiple phase confusion TiB*-TiC ceramic particle gradient enhancement metal-based complex material
CN102277533A (en) * 2011-07-26 2011-12-14 吉林大学 In-situ nano TiC ceramic particle reinforced iron matrix composite material and preparation method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
张洋: "纳米陶瓷颗粒增强金属基复合材料的制备技术", 《微纳电子技术》 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
CN111926237A (en) * 2020-08-19 2020-11-13 西华大学 Surface alloying method for wear-resistant steel casting
CN112548104A (en) * 2020-12-23 2021-03-26 长沙理工大学 Method for reducing hot cracking sensitivity in die steel laser additive repair process
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

Also Published As

Publication number Publication date
CN106367661B (en) 2018-03-09

Similar Documents

Publication Publication Date Title
CN106367661B (en) A kind of preparation method of particle enhancing Fe-base surface compound material
CN103143708B (en) Preparation method of hard alloy preform and method for preparing composite wear-resistant part by using hard alloy preform
CN103143699B (en) Composite reinforced wear-resistant part of metal-ceramic prefabricated member and manufacturing method of composite reinforced wear-resistant part
CN103769563B (en) A kind of preparation method of active element sintering ZTA particle enhanced steel iron-based composite grinding roll and mill
CN105149875B (en) A kind of low cost, the manufacture method of high abrasion ceramal composite liner
CN101168190B (en) Hard alloy and double-metal composite technique
CN103785841B (en) A kind of slurry is coated with the preparation method that ZTA strengthens steel-based composite wear-resistant part
CN100509213C (en) Vacuum solid type cast penetrated method for preparing particle reinforced metal-base surface composite material
CN104152777A (en) Method for manufacturing TiC-based steel bond hard alloy composite wear-resisting reinforcing body
CN106978561B (en) A method of it being in the form of a column the precast body of body bridging arrangement and prepares localization enhancing composite material using the precast body
CN103131969A (en) Ceramic grid enhanced metal matrix composite perform and preparation method thereof
CN101716656B (en) Metal ceramic composite roll collar and preparation method thereof
CN106513107A (en) Composite extrusion roller, and preparation method thereof
CN103331429B (en) Preparation method of ceramic metal compound prefabricated body
CN104139185A (en) Preparation method for wear-resisting metal ceramic composite material
CN107574373A (en) The preparation method of reaction induced impregnated porcelain enhancing base steel composite material liner plate
CN106925761B (en) The preparation method of ceramic particle metallic composite precast body and ceramet composite wear-resistant part
CN104148651A (en) Method for manufacturing TiC hard alloy composite grinding roller
CN106086669A (en) A kind of wear-resistant gear and preparation method
CN105689642A (en) Preparation method for common casting iron-based ceramic composite vertical grinding roller
CN102676956B (en) Method for preparing iron-based surface composite material by virtue of in-situ synthesis
CN107587043A (en) The preparation method of reaction induced impregnated porcelain particle reinforced steel-base composite material tup
CN109277576A (en) Steel-carbide/iron-steel MULTILAYER COMPOSITE wear-resistant material and preparation method thereof
CN109128005A (en) A kind of metal framework toughening ceramic composite material and preparation method and application
CN106378239B (en) A kind of preparation method of the ball grinding machine lining board with the wear-resisting grid of diamond shape

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CP01 Change in the name or title of a patent holder

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

CP01 Change in the name or title of a patent holder