A kind of application method of optimization particle size ceramic enhancing metal-base composites

文档序号:1748281 发布日期:2019-11-29 浏览:24次 中文

阅读说明:本技术 一种优化粒径陶瓷增强金属基复合材料的使用方法 (A kind of application method of optimization particle size ceramic enhancing metal-base composites ) 是由 佟伟平 李萍 于 2018-08-23 设计创作,主要内容包括:一种优化粒径陶瓷增强金属基复合材料的使用方法,属于耐磨材料技术领域。采用优化粒径陶瓷增强金属基复合材料制备高耐磨粉碎设备衬板或高耐磨粉碎设备辊套,其中,优化粒径陶瓷增强金属基复合材料包括金属基体材料和增强相陶瓷颗粒;增强相陶瓷颗粒粒径为0.01μm~0.1μm,0.1μm~1mm,1mm~5mm三种区间中的一种区间粒径,或几种区间的混合粒径;通过优化粒径的分布来制备高恶劣环境下使用的球磨机衬板、辊套以及高压辊磨机辊套,其耐磨性是传统耐磨材料的2~10倍;优化粒径陶瓷增强金属基复合材料制备的高耐磨粉碎设备衬板或高耐磨粉碎设备辊套可有效调节其工作区厚度,从而根据不同的使用需求对耐磨工作进行设计。(A kind of application method of optimization particle size ceramic enhancing metal-base composites, belongs to wear-resistant material technical field.High abrasion disintegrating apparatus liner plate or high abrasion disintegrating apparatus roller set are prepared using optimization particle size ceramic enhancing metal-base composites, wherein optimization particle size ceramic enhancing metal-base composites includes metal matrix material and enhancing ceramic phase particle;Enhancing ceramic phase particle partial size is 0.01 μm~0.1 μm, 0.1 μm~1mm, the mixing partial size in one of tri- kinds of sections 1mm~5mm section partial size or several sections;It is 2~10 times of traditional wear-resistant material that the ball grinding machine lining board used under high adverse circumstances, roller set and roller sleeve of high pressure roller grinder, wearability are prepared by the distribution of optimization partial size;The high abrasion disintegrating apparatus liner plate or high abrasion disintegrating apparatus roller set of optimization particle size ceramic enhancing metal-base composites preparation can effectively adjust its workspace thickness, to be designed according to different use requirements to wear-resisting work.)

1. a kind of application method of optimization particle size ceramic enhancing metal-base composites, which is characterized in that particle size ceramic will be optimized Enhancing metal-base composites is applied to prepare high abrasion disintegrating apparatus liner plate or high abrasion disintegrating apparatus roller set;

The optimization particle size ceramic enhancing metal-base composites includes metal matrix material and enhancing ceramic phase particle;Its In, the volumn concentration that reinforced phase being dominant particle size ceramic enhances metal-base composites is 20%~50%;

The enhancing ceramic phase particle partial size is 0.01 μm~0.1 μm, 0.1 μm~1mm, one in the tri- kinds of sections 1mm~5mm Kind section partial size or the mixing partial size in several sections;

When enhance ceramic phase particle partial size be several section mixing partial sizes when, particle size interval be defined as 0.1 μm~1mm and 1mm~ Within the scope of 5mm, and difference X is set between its partial size are as follows: 0 μm≤X≤2.0mm;A kind of particle is the same as situ Particles Shi Wuyue Beam condition.

2. the application method of optimization particle size ceramic enhancing metal-base composites according to claim 1, which is characterized in that The enhancing ceramic phase particle be one of ceramic oxide particle, carbide ceramic particles or powder metallurgy or Several mixing;

Wherein, ceramic oxide particle are as follows: white fused alumina particle, Brown Alundum particle or ZrO2-Al2O3(ZTA) one of particle or It is several;

Carbide ceramic particles are as follows: WC particle, SiC particulate, TiC particle, VC particle, B4C particle, Mo2C particle, ZrC particle or Cr3C2One or more of particle;

Powder metallurgy are as follows: Si3N4One or more of particle, BN particle, AlN particle or TiN particle;

The raw material of the metal matrix material is metal alloy powders;

Wherein, the alloying component of metal alloy powders and the mass percent of each ingredient are as follows: C:0~8.0%, Mo:0~ 50%, Mn:0~40%, Cr:0~50%, V:0~10%, Ti:0~20%, Si:0.1%~4.0%, Ni:0~15%, W: 0~15%, Nb:0~5.0%, surplus are Fe and inevitable impurity, and particle size range is 60~400 mesh.

3. the application method of optimization particle size ceramic enhancing metal-base composites according to claim 1, which is characterized in that The interface of optimization particle size ceramic enhancing metal-base composites matrix hardness >=900HV, metal matrix material and ceramic particle is hard Degree >=1100HV, ceramic particle hardness >=1400HV.

4. the application method of optimization particle size ceramic enhancing metal-base composites as described in claim 1, which is characterized in that institute The high abrasion disintegrating apparatus liner plate or high abrasion disintegrating apparatus roller set stated, including optimization particle size ceramic enhance metal-base composites And mould material, mould material are high-wear-resistant alloy molten steel, the quality percentage of the chemical component contained and each chemical component Than are as follows: C:0.8%~4.0%, Cr:2.0~30%, Mn:0.3~20%, V:0~15%, Ni:0~10%, W:0~25%, Nb:0~3%, Ti:0~10%, Si:0~2%, P:0~0.02%, S:0~0.01%, surplus be Fe and inevitably it is miscellaneous Matter.

5. the application method of optimization particle size ceramic enhancing metal-base composites as described in claim 1, which is characterized in that high Wear-resisting disintegrating apparatus liner plate or high abrasion disintegrating apparatus roller set, hardness >=850HV of the high-wear-resistant alloy of casting area;

Impact flexibility >=5.5J/cm of high abrasion disintegrating apparatus liner plate or high abrasion disintegrating apparatus roller set2, shear strength >= 530MPa。

6. a kind of application method of optimization particle size ceramic enhancing metal-base composites, which is characterized in that using optimization partial size pottery Porcelain enhancing metal-base composites prepares high abrasion disintegrating apparatus liner plate or high abrasion disintegrating apparatus roller set, comprising the following steps:

Step 1: the preparation of sand mold

According to the shape that high abrasion disintegrating apparatus liner plate to be prepared or high abrasion disintegrating apparatus roller cover, workspace is set as excellent Change particle size ceramic enhancing metal-base composites and prepares sand mold then according to setting;

Step 2: optimization particle size ceramic enhancing metal-base composites is put into sand mold, is dried, is obtained together in company with sand mold Optimization particle size ceramic enhancing metal-base composites and sand mold after to drying;Wherein, drying temperature is 100~300 DEG C, heat preservation Time is 10~20h, and heating rate is 2~5 DEG C/min;

Step 3: carrying out melting for high-wear-resistant alloy, and smelting temperature is 1600~1700 DEG C, obtains high-wear-resistant alloy molten steel;Its In, the mass percent of chemical component and each chemical component that the high-wear-resistant alloy molten steel contains are as follows: C:0.8%~ 4.0%, Cr:2.0~30%, Mn:0.3~20%, V:0~15%, Ni:0~10%, W:0~25%, Nb:0~3%, Ti:0 ~10%, Si:0~2%, P:0~0.02%, S:0~0.01%, surplus are Fe and inevitable impurity;

Step 4: high-wear-resistant alloy molten steel is come out of the stove, and being cast to the optimization particle size ceramic after drying using gravitational casting enhances gold Casting area in metal-matrix composite material and sand mold, cast temperature are 1500~1600 DEG C, and sand removal processing is carried out after casting, obtains height Wear-resisting disintegrating apparatus liner plate or high abrasion disintegrating apparatus roller set.

7. a kind of application method of optimization particle size ceramic enhancing metal-base composites, which is characterized in that it is characterized in that, weighing It is further comprising the steps of after benefit requires 6 preparation method:

Step I: annealing

It is set to optimization particle size ceramic enhancing metal-base composites or to high abrasion disintegrating apparatus liner plate or to high abrasion crushing Standby roller set carries out integral high-temperature diffusion annealing processing, air-cooled, and the high abrasion after composite material or annealing after being annealed crushes High abrasion disintegrating apparatus roller set after equipment liner plate or annealing;Wherein, annealing temperature is 1000~1300 DEG C, annealing time 8 ~10h;

Step II: quenching

To after annealing optimization particle size ceramic enhancing metal-base composites or annealing after high abrasion disintegrating apparatus liner plate or High abrasion disintegrating apparatus roller set after annealing is quenched, and quenched composite material or quenched high abrasion are obtained Disintegrating apparatus liner plate or quenched high abrasion disintegrating apparatus roller set;Wherein, hardening heat is 850~1100 DEG C, heat preservation 9~ 12h;

Step III: tempering

To quenched optimization particle size ceramic enhance metal-base composites or quenched high abrasion disintegrating apparatus liner plate or Quenched high abrasion disintegrating apparatus roller set carries out tempering, and the optimization particle size ceramic enhancing Metal Substrate after being heat-treated is multiple Condensation material or high abrasion disintegrating apparatus liner plate or high abrasion disintegrating apparatus roller set;Wherein, tempering temperature is 350~550 DEG C, is protected 9~12h of temperature.

Technical field

The invention belongs to wear-resistant material technical fields, and in particular to a kind of optimization particle size ceramic enhancing metal-base composites Application method.

Background technique

Metal-base composites (the MMC of ceramic particle enhancingS) usually with the specific strength higher than basis material and than rigid Degree shows broad application prospect in departments such as industry, national defence and communications and transportation.With to particulate reinforced metal-based composite wood Material research deepens continuously, it is possible to find grain shape, volumetric solid concentration, matrix characteristics and particle size increase ceramic particle The preparation of strong ferrous alloy composite material has an important influence.Wherein, enhancing particle size is to the microcosmic of Inhomogeneous wave fields system Deformation mechanism, intensity, braking effect are significant.On the one hand, particle size is to the yield strength for improving material and the modeling of improvement material Property deformation and generate Temperature measurement play important influence;On the other hand, the destruction of particle is cracked and is deposited with the compound of matrix It is reduced in the toughness that hole finally will lead to material.Particle reinforcement of the particle size in 0.01 μm~0.1 μ m, due to Particle reinforcement generates reinforcing to the obstruction of matrix dislocation motion, and strengthening mechanism belongs to dispersion-strengtherning.Such particle enhancing Body mostly uses original Ying Shengcheng in situ during the preparation process, and preparation process required precision is higher;For particle size 0.1 μm~ The reinforced particulate of 1mm or more, study at present it is more, particle reinforcer be added under this size in metal rise improve it is wear-resisting, Heat-resisting and elasticity modulus effect.But because its partial size is smaller, it is easy to produce ceramic particle and basal body interface faying face is small, work as matrix When wearing recessed, it is easy whole and falls off;Ceramic particle within the scope of 1mm~5mm is existing study at present it is less, on the one hand due to big The angle of wetting of partial ceramic particle and metallic matrix is bigger than normal, be easy to appear during the preparation process interfacial mechanical occlusion, there are holes There is falling off for integral particle in use in hole defect;On the one hand due to big ceramic particle reinforced metal base composite wood Material is easy to produce brittle crack during the preparation process or in use, leads to fracture failure, but because it is as main resistance to Phase is ground, the compound use mechanism effect of bulky grain is more prominent.

Summary of the invention

In view of the deficiencies of the prior art, the invention proposes optimization particle size ceramic enhancing metal-base composites and its preparations Methods and applications.The composite material is anti-by outer addition or original position using optimization particle size range or the ceramic particle of mixing partial size Method is answered to be prepared.The technology of preparing with its reasonable reinforced phase size composition design, be a kind of simple and flexible preparation process, The optimization particle size ceramic enhancing metal-base composites of preparation individually can use or prepare high abrasion crushing as wear parts and set The precast body that standby liner plate and roller cover, with excellent wear-resisting property, mechanical tenacity and impact resistance.

The present invention is constant using volume content, optimizes the ceramic particle Fe radicle enhancing wearing composite material of particle diameter distribution, will The ceramic particle and metal alloy powders for optimizing partial size are placed in aluminium oxide corundum crucible, are prepared using lqiuid phase sintering method compound Material, it is the preparation method simple process, low in cost, dislocation strengthening mechanism is existed simultaneously in composite material, Orowan strengthens plus Work hardens reinforcing, a variety of strengthening mechanisms such as precipitation strength, and these are changed by matrix microstructure and the reinforcing machine that generates System interacts with each other.In addition, the interface connection between metal matrix material and reinforced phase is preferably, integral composite is shown Excellent mechanical performance.

A kind of optimization particle size ceramic of the invention enhances metal-base composites, including metal matrix material and reinforced phase pottery Porcelain particle;Wherein, the volumn concentration of being dominant of reinforced phase particle size ceramic enhancing metal-base composites is 20%~50%;

The enhancing ceramic phase particle partial size is 0.01 μm~0.1 μm, 0.1 μm~1mm, in the tri- kinds of sections 1mm~5mm A kind of section partial size or several sections mixing partial size;

When enhance ceramic phase particle partial size be several section mixing partial sizes when, particle size interval be defined as 0.1 μm~1mm with Within the scope of 1mm~5mm, and difference X is set between its partial size are as follows: it 0 μm≤X≤2.0mm, avoids in high-temperature liquid phase region, it is larger The ceramic particle of small particle is consumed after particles and liquid phase progress long-time wetting;A kind of same situ Particles of particle When unconfined condition.

The enhancing ceramic phase particle is in ceramic oxide particle, carbide ceramic particles or powder metallurgy One or more of mixing;

Wherein, ceramic oxide particle are as follows: white fused alumina particle, Brown Alundum particle or ZrO2-Al2O3(ZTA) one in particle Kind is several;

Carbide ceramic particles are as follows: WC particle, SiC particulate, TiC particle, VC particle, B4C particle, Mo2C particle, ZrC Grain or Cr3C2One or more of particle;

Powder metallurgy are as follows: Si3N4One or more of particle, BN particle, AlN particle or TiN particle.

The raw material of the metal matrix material is metal alloy powders;

Wherein, the alloying component of metal alloy powders and the mass percent of each ingredient are as follows: C:0~8.0%, Mo:0~ 50%, Mn:0~40%, Cr:0~50%, V:0~10%, Ti:0~20%, Si:0.1%~4.0%, Ni:0~15%, W: 0~15%, Nb:0~5.0%, surplus are Fe and inevitable impurity, and particle size range is 60~400 mesh.

Optimization particle size ceramic prepared by the present invention enhances metal-base composites, and metal matrix material hardness is 900~ 1100HV, enhancing ceramic phase particle hardness are 1400~2400HV, and metal matrix material and the interface for enhancing ceramic phase particle are hard Degree is 1100~1300HV.

The preparation method of optimization particle size ceramic enhancing metal-base composites of the invention, specifically includes the following steps:

Step 1: enhance the selection and pretreatment of ceramic phase particle:

(1) metal-base composites is enhanced according to the optimization particle size ceramic of preparation and weighs enhancing ceramic phase particle;

(2) removal enhancing ceramic phase particle impurity, drying obtain pretreated enhancing ceramic phase particle;

Step 2: the preparation of optimization particle size ceramic enhancing metal-base composites

(1) according to the ratio, raw material is weighed, pretreated enhancing ceramic phase particle and metal matrix material are subjected to mixed powder, It is uniformly mixed, obtains mixed material;Wherein, by volume, pretreated enhancing ceramic phase particle: metal matrix material =1:(2~5);

(2) mixed material is put into compaction tool, is suppressed using 200~300MPa pressure, pressure maintaining 10~ 30s, the ceramics enhancing block being compacted;

(3) the ceramics enhancing block of compacting is put into crucible, then be placed in atmosphere protection stove, using temperature programmed control liquid phase Sintering process is pre-sintered, and optimization particle size ceramic enhancing metal-base composites is obtained.

In the step 1 (2), the enhancing ceramic phase particle is different according to partial size and raw material, using different clear Wash mode:

1) it when the partial size for enhancing ceramic phase particle is 1mm~5mm, puts it into acetone soln after placing 6~12h, It is cleaned in being put into ethyl alcohol, is put into 30~60min of supersonic oscillations;

2) it when the partial size for enhancing ceramic phase particle is 0.01 μm~0.1 μm or 0.1 μm~1mm, puts it into ethyl alcohol Cleaning after being put into 30~40min of supersonic oscillations, is placed in a centrifuge centrifugation, and setting centrifuge speed is 6000~8000r/ Min, removal solid precipitates large-size particle, then centrifuge speed is adjusted to 10000~11500r/min, and removal supernatant is small Sized particles obtain the ceramic particle of intermediate sizes;

3) fabricated in situ enhancing ceramic phase particle does not have to cleaning.

In the step 1 (2), the drying, drying temperature is 80~200 DEG C, and drying time is 3~8h.

In the step 2 (1), mixing time is 1~4h.

In the step 2 (1), apply in press process, when reaching 20~50MPa pressure, pressure maintaining 2s~5s can The gas in mixed material is set to be discharged;After reaching predetermined pressure, pressure maintaining is to guarantee mixed material powders It can sufficiently be tamped in compaction tool.

Optimization particle size ceramic enhancing metal-base composites prepared by the present invention is preferably shaped to cylindrical, hexagonal column body Or one of tetragonal body.

In the step 2 (3), the temperature programmed control lqiuid phase sintering method, specifically: atmosphere protection stove is oxygen-free atmosphere Protection stove, sintering process are as follows: be warming up to 800~900 DEG C with 8~10 DEG C/min speed, keep the temperature 30~60min;With 4~6 DEG C/ Min speed is warming up to 1350~1500 DEG C, keeps the temperature 3~10h;It is cooled to after 1100~1260 DEG C with 2~4 DEG C/min speed with furnace It is cooling.

The argon atmosphere protection stove is first to vacuumize, and then passes to one of nitrogen, argon gas, hydrogen or decomposition ammonia Or it is several, form oxygen-free atmosphere protection.

The application of optimization particle size ceramic enhancing metal-base composites of the invention, to set applied to preparing high abrasion crushing Standby liner plate or high abrasion disintegrating apparatus roller set.

The high abrasion disintegrating apparatus liner plate or high abrasion disintegrating apparatus roller set, including optimization particle size ceramic enhance metal Based composites and mould material, mould material are high-wear-resistant alloy molten steel, the chemical component contained and each chemical component Mass percent are as follows: C:0.8%~4.0%, Cr:2.0~30%, Mn:0.3~20%, V:0~15%, Ni:0~10%, W:0~25%, Nb:0~3%, Ti:0~10%, Si:0~2%, P:0~0.02%, S:0~0.01%, surplus is for Fe and not Evitable impurity.

The application of optimization particle size ceramic enhancing metal-base composites of the invention, is increased using the optimization particle size ceramic of preparation Strong metal based composites prepare high abrasion disintegrating apparatus liner plate or high abrasion disintegrating apparatus roller set, comprising the following steps:

Step 1: the preparation of sand mold

According to the shape that high abrasion disintegrating apparatus liner plate to be prepared or high abrasion disintegrating apparatus roller cover, workspace is set Enhance metal-base composites for optimization particle size ceramic and prepares sand mold then according to setting;

Step 2: optimization particle size ceramic enhancing metal-base composites is put into sand mold, is dried together in company with sand mold It is dry, optimization particle size ceramic enhancing metal-base composites and sand mold after being dried;Wherein, drying temperature is 100~300 DEG C, soaking time is 10~20h, and heating rate is 2~5 DEG C/min;

Step 3: carrying out melting for high-wear-resistant alloy, and smelting temperature is 1600~1700 DEG C, obtains highly wear-resisting alloy steel Water;Wherein, the mass percent of the high-wear-resistant alloy molten steel contains chemical component and each chemical component are as follows: C: 0.8%~4.0%, Cr:2.0~30%, Mn:0.3~20%, V:0~15%, Ni:0~10%, W:0~25%, Nb:0~ 3%, Ti:0~10%, Si:0~2%, P:0~0.02%, S:0~0.01%, surplus are Fe and inevitable impurity;

Step 4: high-wear-resistant alloy molten steel is come out of the stove, and is cast to the optimization particle size ceramic after drying using gravitational casting and is increased Casting area in strong metal based composites and sand mold, cast temperature are 1500~1600 DEG C, and sand removal processing is carried out after casting, is obtained To high abrasion disintegrating apparatus liner plate or high abrasion disintegrating apparatus roller set.

In the step one, sand mold preparation process are as follows: sand mold raw material is mixed, moulding is carried out using prefabricated wooden model, is made After type, filling CO 2 gas is solidified, and wooden model is taken out after solidification, and in sand mold inner surface brush fireproof coating;

The mass percent of raw material and each raw material that the sand mold includes are as follows: clay: 8~14%, water: 5%~ 10%, surplus is molding sand.Molding sand is the mixing of one or more of zircon sand, emergy, chromite sand;The fireproof coating For bauxite paints, coating layer thickness is 0.1~0.4mm.

In the step two, control heating rate is, steep temperature rise is avoided in drying course, is otherwise easily caused Sand mold deformation or cracking;Drying is preferably ladder drying, is specially warming up to 40~50 DEG C, keeps the temperature 1h, is warming up to 70~80 DEG C 1h is kept the temperature, 100~300 DEG C of 8~18h of heat preservation are warming up to.

In the step three, preferably, the equipment that the melting uses is electric arc furnaces.

In the step three, the high-wear-resistant alloy molten steel, the substrate material as high abrasion disintegrating apparatus liner plate Or the roller of high abrasion disintegrating apparatus roller set covers inner-wall material, while as between optimization particle size ceramic enhancing metal-base composites Connecting material.

In the step four, before the highly wear-resisting alloy steel molten steel is come out of the stove, refining deterioration agent is added, high abrasion is closed Golden steel molten steel carries out Metamorphism treatment.

It is more preferably to be heat-treated or the optimization particle size ceramic enhancing metal-base composites to height Wear-resisting disintegrating apparatus liner plate is heat-treated or high abrasion disintegrating apparatus roller set is heat-treated, and heat treatment step is as follows:

Step I: annealing

To optimization particle size ceramic enhancing metal-base composites or to high abrasion disintegrating apparatus liner plate or to high abrasion powder Broken device roller set carries out integral high-temperature diffusion annealing processing, air-cooled, the high abrasion after composite material or annealing after being annealed High abrasion disintegrating apparatus roller set after disintegrating apparatus liner plate or annealing;Wherein, annealing temperature is 1000~1300 DEG C, when annealing Between be 8~10h;

Step II: quenching

To the optimization particle size ceramic enhancing metal-base composites after annealing or the high abrasion disintegrating apparatus lining after annealing High abrasion disintegrating apparatus roller set after plate or annealing is quenched, and quenched composite material or quenched height are obtained Wear-resisting disintegrating apparatus liner plate or quenched high abrasion disintegrating apparatus roller set;Wherein, hardening heat is 850~1100 DEG C, heat preservation 9~12h;

Step III: tempering

Metal-base composites or quenched high abrasion disintegrating apparatus lining are enhanced to quenched optimization particle size ceramic Plate or quenched high abrasion disintegrating apparatus roller set carry out tempering, and the optimization particle size ceramic after being heat-treated enhances gold Metal-matrix composite material or high abrasion disintegrating apparatus liner plate or high abrasion disintegrating apparatus roller set;Wherein, tempering temperature be 350~ 550 DEG C, keep the temperature 9~12h.

In high abrasion disintegrating apparatus liner plate or high abrasion disintegrating apparatus roller set prepared by the present invention, metal contained by casting area The mass percent of alloying component and each ingredient are as follows: C:0.8~4.0%, Cr:2.0~30%, Mn:0.3~20%, V:0~ 15%, Ni:0~10%, W:0~25%, Nb:0~3%, Ti:0~10%, Si:0~2%, P:0~0.02%, S:0~ 0.01%, surplus is Fe and inevitable impurity.

High abrasion disintegrating apparatus liner plate or high abrasion disintegrating apparatus roller set prepared by the present invention, the high-wear-resistant alloy of casting area Hardness >=850HV, preferably 850~1000HV.

Impact flexibility >=5.5J/ of high abrasion disintegrating apparatus liner plate or high abrasion disintegrating apparatus roller set prepared by the present invention cm2, preferably 5.5~6.2J/cm2, shear strength >=530MPa, preferably 530~580MPa.

After tested, optimization particle size ceramic in the above way obtained enhances metal-base composites matrix hardness >=900HV, The interface of metal matrix material and ceramic particle hardness >=1100HV, ceramic particle hardness >=1400HV.

Optimize in particle size ceramic enhancing metal-base composites, ceramic particle and metal matrix material interface are apparent smelting Gold combines, and the generation of end discovery crackle, the high abrasion ceramic-metal composite meet wear-resistant material field after bulk heat treatmet Use condition.

A kind of application method of optimization particle size ceramic enhancing metal-base composites of the present invention, compared to the prior art, tool There are following features:

(1) present invention preparation optimization particle size ceramic enhancing metal-base composites simple process, it is easily operated, be convenient for work Industryization large-scale production;

(2) the enhancing ceramic phase particle partial size in optimization particle size ceramic enhancing metal-base composites prepared by the present invention is whole Body range is 0.01 μm~5mm, wherein partial size is that in-situ synthesized can be used in 0.01 μm~0.1 μm of ceramic enhancement phase, due to Particle reinforcement generates reinforcing to the obstruction of matrix dislocation motion, and strengthening mechanism belongs to Orowan reinforcing, and the present invention passes through Temperature programmed control lqiuid phase sintering method prepares the enhancing of reaction in-situ endogenetic particle, simple process, and is effectively compound;Partial size is 0.1 μm Outer addition or in-situ synthesized can be used in the ceramic enhancement phase of~1mm, and the ceramic particle in this size range is added to Metal Substrate Whole wear-resisting, heat-resisting and elasticity modulus effect is improved in body;Partial size be 1mm~5mm ceramic particle and matrix it is compound compared with Difficulty, the present invention use and add specific alloy elements in matrix, while using high temperature, the liquid sintering technology of long-time heat preservation, making There is 50~100 μm of diffusion composite layer in its interface, has achieved the effect that metallurgical bonding;The research for mixing partial size is less at present, The present invention mixes enhancing matrix, the ceramics of 1mm~5mm partial size with the ceramic particle of 0.1 μm~1mm partial size by 1mm~5mm Grain has effectively been improved whole wearability, and the ceramic particle of 0.1 μm~1mm partial size is acted on by dispersion-strengtherning matrix, makes base Body and the wear-resisting property of wear phase match;

(3) present invention by optimization partial size distribution come prepare the ball grinding machine lining board used under high adverse circumstances, roller set with And roller sleeve of high pressure roller grinder, wearability are 2~10 times of traditional wear-resistant material;

(4) interface that the optimization particle size ceramic that the present invention is prepared by lqiuid phase sintering method enhances metal-base composites is smelting Gold combines, after bulk heat treatmet, the high abrasion disintegrating apparatus liner plate of optimization particle size ceramic enhancing metal-base composites preparation Or mechanical performance, the impact flexibility of high abrasion disintegrating apparatus roller set are promoted;

(5) the high abrasion disintegrating apparatus liner plate or height of optimization particle size ceramic enhancing metal-base composites preparation of the invention Wear-resisting crushing device roller set can effectively adjust its workspace thickness, to set according to different use requirements to wear-resisting work Meter.

(6) optimization particle size ceramic enhancing Reinforcements for Metal Matrix Composites prepared by the present invention is uniformly distributed, composite material There are performance and service life of a variety of strengthening mechanisms to material itself significantly to be promoted for inside, and bringing to the application of wear-resisting field can The economic benefit of sight.

Detailed description of the invention

Fig. 1 is that enhancing grain diameter is 0.1 μm~1mm in the embodiment of the present invention 1 and the tetragonal body of matrix powder is compacted Ceramics enhancing block;

Fig. 2 be enhance in the embodiment of the present invention 2 grain diameter be 0.01 μm~0.1 μm, 1mm~5mm and matrix powder The ceramics enhancing block of cylindrical body compacting;

Fig. 3 is to enhance six sides that grain diameter is 0.1 μm~1mm, 1mm~5mm and matrix powder in the embodiment of the present invention 3 The ceramics enhancing block of cylinder compacting;

Fig. 4 is the structural schematic diagram that vertical mill liner plate is prepared in the embodiment of the present invention 4;Wherein, (a) is elevational cross-sectional view; It (b) is top view;

Fig. 5 is the structural schematic diagram that vertical mill roller set is prepared in the embodiment of the present invention 5;(c) cross-sectional view is cutd open for side;(d) it is Just cut open cross-sectional view;

Fig. 6 is to enhance phase ceramics in the optimization particle size ceramic enhancing metal-base composites prepared in the embodiment of the present invention 3 The composite diagram SEM of particle and metal matrix material;

Fig. 7 is to enhance phase ceramics in the optimization particle size ceramic enhancing metal-base composites prepared in the embodiment of the present invention 1 The composite material electron probe picture of particle and metal matrix material interface;

Fig. 8 is to enhance phase ceramics in the optimization particle size ceramic enhancing metal-base composites prepared in the embodiment of the present invention 2 Particle and the composite material SEM at metal matrix material interface scheme;

Fig. 9 is that the embodiment of the present invention 6 optimizes particle size ceramic enhancing metal-base composites and its preparation method and application Preparation process flow block diagram.

Figure 10 is that the embodiment of the present invention 7 optimizes particle size ceramic enhancing metal-base composites and its preparation method and application Preparation process flow block diagram.

Figure 11 is that the embodiment of the present invention 8 optimizes particle size ceramic enhancing metal-base composites and its preparation method and application Preparation process flow block diagram.

In attached drawing, 1-1 is 0.1 μm~1mm ceramic particle, and 1-2 is metallic matrix powder, and 1-3 is the pottery of tetragonal body compacting Porcelain enhances block, and 2-1 is 1mm~5mm ceramic particle, and 2-2 is the mixed of 0.01 μm~0.1 μm ceramic particle and metal matrix material Zoarium, 2-3 are the ceramics enhancing block of cylindrical body compacting, and 3-1 is 0.1 μm~1mm ceramic particle, and 3-2 is 1mm~5mm ceramics Particle, 3-3 are metallic matrix powder, and 3-4 is the ceramics enhancing block of hexagonal column body compacting, and 4-1 is that liner plate optimizes particle size ceramic Enhance metal-base composites, 4-2 is liner plate casting area, and 5-1 is that roller set optimization particle size ceramic enhances metal-base composites, 5- 2 cover casting area for roller, and 5-3 enhances the casting in conjunction with metal-base composites for roller set high-wear-resistant alloy with optimization particle size ceramic Area.

Specific embodiment

Below with reference to embodiment, the present invention is described in further detail.

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