CN114807724B - Wear-resistant composite material prepared by laser 3D printing technology and method - Google Patents
Wear-resistant composite material prepared by laser 3D printing technology and method Download PDFInfo
- Publication number
- CN114807724B CN114807724B CN202210470257.8A CN202210470257A CN114807724B CN 114807724 B CN114807724 B CN 114807724B CN 202210470257 A CN202210470257 A CN 202210470257A CN 114807724 B CN114807724 B CN 114807724B
- Authority
- CN
- China
- Prior art keywords
- particles
- silicon carbide
- wear
- composite material
- diamond
- 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.)
- Active
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/0047—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents
- C22C32/0052—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents only carbides
- C22C32/0063—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents only carbides based on SiC
-
- 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
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
- B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y80/00—Products made by additive manufacturing
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/0084—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ carbon or graphite as the main non-metallic constituent
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/34—Sputtering
- C23C14/35—Sputtering by application of a magnetic field, e.g. magnetron sputtering
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The invention discloses a wear-resistant composite material prepared by utilizing a laser 3D printing technology and a method thereof, wherein the wear-resistant composite material comprises a metal matrix phase, reinforcing phase particles and transition metal, the transition metal covers the surfaces of the reinforcing phase particles, and the reinforcing phase particles are dispersed in the metal matrix phase; the metal matrix phase is cobalt, cobalt alloy, nickel or nickel alloy, the reinforcing phase particles are diamond particles and silicon carbide particles, the transition metal is tungsten or chromium, the mass fraction of the metal matrix phase is 70-89%, the mass fraction of the diamond particles is 5-10%, the mass fraction of the silicon carbide particles is 5-15%, and the mass fraction of the transition metal is 1-5%. The diamond-reinforced metal ceramic wear-resistant material manufactured by adopting the laser 3D printing technology has high density and good interface binding property, the reinforced phase diamond particles are tightly wrapped in the matrix metal, the microhardness is 1223 +/-11 HV, and the wear-resistant material has good wear resistance.
Description
Technical Field
The invention relates to the technical field of wear-resistant composite materials, in particular to a wear-resistant composite material prepared by using a laser 3D printing technology and a method.
Background
The wear-resistant material mainly comprises metal and alloy thereof, nonmetal (ceramic and plastic) and metal ceramic composite material. The following definitions for cermet composites are given by the american society for research and cermet (ASTM): "a heterogeneous composite material consisting of a metal or alloy and one or more ceramic phases, wherein the latter constitute from about 15 to about 85 volume percent, and wherein the solubility between the metal phase and the ceramic phase is relatively fine at the temperature of preparation. Theoretically, the metal ceramic composite material has the advantages of metal and ceramic, such as high hardness, high melting point, strong rigidity, good chemical stability and the like. With the rapid development of the industry, the metal ceramic composite material is the development trend of the wear-resistant material. The wear-resistant material is usually prepared by a powder metallurgy method, a casting method and the like. The powder metallurgy method is to mix ceramic powder and metal powder evenly, add a certain amount of forming agent to granulate, press and sinter. But it is difficult to obtain the best performance by powder metallurgy alone. The composite material prepared by the casting method has the advantages of low cost and simple and flexible process, but the formed composite material has large grains, more structural defects, larger residual stress and is not beneficial to the wear resistance of the composite material. Therefore, the development of advanced forming technology for wear-resistant materials has been one of the hot research.
At present, laser 3D printing is a near-net forming technology based on an additive manufacturing idea, powder is sintered or melted by a laser heat source to prepare a workpiece with any shape, the forming is not limited by factors such as material melting points, the whole near-net forming of a three-dimensional complex modeling structural part or a functional gradient material can be realized, and the prepared material has excellent mechanical properties and chemical properties. Laser 3D prints the characteristics of extremely fast heating and cooling, makes the shaping material have tiny crystalline grain and compact structure, has not only helped promoting of wearability, can save the required secondary operation cooperation of traditional powder metallurgy method again, can really realize digital, intelligent processing. Therefore, the diamond reinforced metal ceramic composite material prepared by the laser 3D printing forming technology has wide application prospect.
The problem of preparing the diamond reinforced metal ceramic composite material by using the laser 3D printing technology is that diamond particles, common metals and ceramics do not react and are hardly dissolved mutually, and the particles are easy to fall off in the friction process to reduce the wear resistance.
Disclosure of Invention
Aiming at the defects in the problems, the invention provides a wear-resistant composite material prepared by using a laser 3D printing technology and a method thereof.
In order to achieve the above object, the present invention provides a wear-resistant composite material prepared by using a laser 3D printing technology, comprising:
the metal matrix phase, the reinforcing phase particles and the transition metal, wherein the transition metal covers the surfaces of the reinforcing phase particles, and the reinforcing phase particles are dispersed in the metal matrix phase;
the metal matrix phase is cobalt, cobalt alloy, nickel or nickel alloy, the reinforcing phase particles are diamond particles and silicon carbide particles, the transition metal is tungsten or chromium, the mass fraction of the metal matrix phase is 70% -89%, the mass fraction of the diamond particles is 5% -10%, the mass fraction of the silicon carbide particles is 5% -15%, and the mass fraction of the transition metal is 1% -5%.
Preferably, the diamond particles are coated with the transition metal on the surfaces of the diamond particles by a magnetron sputtering method.
The invention also provides a method for preparing the wear-resistant composite material by using the laser 3D printing technology, which comprises the following steps:
screening suitable enhancement phase particles, wherein the enhancement phase particles are diamond particles and silicon carbide particles;
modifying the surfaces of the diamond particles by a magnetron sputtering method;
mixing the modified diamond particles, the modified silicon carbide particles and the metal matrix to obtain a mixed material;
and preparing the mixed material by using a laser melting 3D printing technology to obtain the composite material.
Preferably, the diamond particle size is 40-60 μm, the purity is not less than 99.99%, the silicon carbide particle size is 15-65 μm, the metal matrix particle size is 15-65 μm, and the purity is not less than 99.9%.
Preferably, the modifying the surface of the diamond particles using a magnetron sputtering method includes:
adopting transition metal as a sputtering target material, and plating a transition metal layer with a certain thickness on the surface of the diamond particles by a magnetron sputtering method;
wherein the magnetron sputtering machine is vacuumized to 1 × 10 -3 Pa, introducing sputtering pure Ar gas with the sputtering power of 320W; the distance between the sputtering target and the diamond particles is 60mm, and the deposition rate is 0.2nm/s.
Preferably, the transition metal is tungsten or chromium with a purity of 99.9wt%.
Preferably, the modified diamond particles, the silicon carbide particles and the metal matrix are mixed to obtain a mixed material, which comprises:
and mechanically mixing the metal matrix, the modified diamond particles and the modified silicon carbide particles according to the mass fraction of the metal matrix being 70-89%, the mass fraction of the modified diamond particles being 5-10% and the mass fraction of the silicon carbide particles being 5-15%.
Preferably, the process parameters in the laser melting 3D printing technology include: the scanning speed is 300-900mm/s, the scanning interval is 0.04-0.08 mm, and the laser power is 110-200W.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the diamond-reinforced metal ceramic wear-resistant material is manufactured by adopting a laser 3D printing technology, namely, the SiC-based metal ceramic material is further reinforced by adopting diamond, so that the super-strong wear-resistant performance is realized, the heat conductivity of the material is improved, the material can be protected in the processing and application processes, and the service life is prolonged; by adding tungsten or chromium as transition metal, the interface bonding property of the diamond and the metal matrix is improved, the bonding strength of the diamond and the metal matrix is improved, and the processing performance of the material is improved.
Drawings
Fig. 1 is an SEM image of a diamond enhanced cobalt silicon carbide based composite according to an embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The invention is described in further detail below with reference to the accompanying figure 1:
the invention provides a wear-resistant composite material prepared by using a laser 3D printing technology, which comprises the following components in percentage by weight:
the metal matrix phase, the reinforcing phase particles and the transition metal, wherein the transition metal covers the surfaces of the reinforcing phase particles, and the reinforcing phase particles are dispersed in the metal matrix phase;
wherein, the metal matrix phase is cobalt, cobalt alloy, nickel or nickel alloy, the reinforced phase particles are diamond particles and silicon carbide particles, the transition metal is tungsten or chromium, the mass fraction of the metal matrix phase is 70-89%, the mass fraction of the diamond particles is 5-10%, the mass fraction of the silicon carbide particles is 5-15%, and the mass fraction of the transition metal is 1-5%.
Further, the diamond particles are coated with transition metal on the surfaces of the diamond particles by a magnetron sputtering method.
In this embodiment, a method for preparing a wear-resistant composite material by using a laser 3D printing technology includes:
screening proper reinforced phase particles, wherein the reinforced phase particles comprise diamond particles and silicon carbide particles, the size of the diamond particles is 40-60 mu m, the purity is not lower than 99.99%, the particle size of the silicon carbide particles is 15-65 mu m, the particle size of the metal matrix is 15-65 mu m, and the purity is not lower than 99.9%;
modifying the surfaces of the diamond particles by a magnetron sputtering method;
specifically, transition metal is adopted as a sputtering target material, and a transition metal layer with a certain thickness is plated on the surfaces of diamond particles by a magnetron sputtering method;
wherein the magnetron sputtering machine is vacuumized to 1 × 10 -3 Pa, introducing sputtering pure Ar gas with the sputtering power of 320W; the distance between the sputtering target and the diamond particles is 60mm, and the deposition rate is 0.2nm/s; the transition metal is tungsten or chromium with a purity of 99.9wt%.
Mixing the modified diamond particles, the silicon carbide particles and a metal matrix to obtain a mixed material, wherein the metal matrix is gas atomized or water atomized powder, the particle size distribution is 15-65 mu m, and the purity is not lower than 99.9%;
preparing the mixed material into a composite material by using a laser melting 3D printing technology, selecting higher laser power to ensure that the transition metal and the diamond surface are completely reacted and simultaneously avoid burning loss of a metal matrix, and carrying out laser 3D printing forming on the process parameters with the scanning speed of 300-900mm/s and the scanning interval of 0.04-0.08 mm; and carrying out surface cutting and sand blasting treatment on the diamond reinforced ceramic metal composite material prepared by selective laser melting.
Further, mixing the modified diamond particles, the modified silicon carbide particles and the metal matrix to obtain a mixed material, wherein the mixed material comprises the following components:
mechanically mixing the metal matrix, the modified diamond particles and the silicon carbide particles according to the proportion that the mass fraction of the metal matrix is 70-89%, the mass fraction of the modified diamond particles is 5-10% and the mass fraction of the silicon carbide particles is 5-15%.
Still further, when a higher laser power is selected to ensure complete reaction of the transition metal with the diamond surface while avoiding burning of the metal substrate, a preferred laser power range is between 110W and 200W.
According to the preparation method, the surfaces of the diamond particles are modified, namely, the transition metal covers the surfaces of the diamond particles, so that the interface bonding property of the diamond particles and a metal matrix is improved, the bonding strength of the diamond and the metal matrix is improved, and the processing performance of the material is improved. In addition, the silicon carbide ceramic has high temperature resistance, thermal shock resistance, wear resistance, light weight, very good heat conducting property and electrical conductivity, and the strength is not influenced in a high-temperature environment of 1400 ℃. Therefore, the addition of the silicon carbide can obviously improve the wear resistance and service life of the composite material. The diamond-reinforced metal ceramic wear-resistant material is manufactured by adopting the laser 3D printing technology, the metal ceramic composite material with compact structure and fine grains can be obtained, and the laser 3D printing technology can be used for preparing wear-resistant material parts with complex shapes, such as aviation engine blades, nozzle guide vanes and the like, so that the industrial applicability of the wear-resistant composite material is expanded, and the commercial production market is widened.
The present invention will be described in detail with reference to specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Insubstantial modifications of the inventive concept, such as simple changes or substitutions in technical features having the same or similar technical effects, without departing from the spirit of the invention, are intended to be covered by the claims.
Example 1
78% of cobalt, 2% of tungsten, 5% of diamond and 15% of silicon carbide.
The preparation method of the wear-resistant material comprises the following steps:
selecting diamond particles with the average size of 40 mu m and silicon carbide powder with the average particle size of 20 mu m, and carrying out surface modification on the diamond particles by utilizing a magnetron sputtering method;
selecting spherical cobalt powder prepared by plasma spheroidization, wherein the particle size distribution of the spherical cobalt powder is 15-65 mu m, and mechanically mixing the cobalt powder and the enhanced phase particles according to the proportion of 78 mass percent of the cobalt powder, 15 mass percent of silicon carbide and 7 mass percent of diamond/tungsten;
selecting a laser selective melting technology in the laser 3D printing technology (EOSM 100 3D printing equipment is adopted in all examples, and no description is given), selecting high laser power of 120W, ensuring that the tungsten and the diamond surface are completely reacted, avoiding burning loss of a cobalt matrix, and performing laser selective melting forming on the process parameters with the scanning speed of 400mm/s and the scanning interval of 0.05 mm. And carrying out surface cutting and sand blasting treatment on the diamond enhanced cobalt silicon carbide composite material prepared by selective laser melting.
The concrete effects are as follows: the method of the invention realizes the tight combination of the enhanced phase silicon carbide, the diamond and the metal matrix, and the prepared diamond enhanced cobalt silicon carbide composite material has the relative density of 98 percent and extremely few pores. The microhardness of the composite article was 1028HV as shown in figure 1. While the microhardness of the original cobalt matrix without the addition of the strengthening phase was 600HV, the microhardness after the addition of only the SiC strengthening phase was 874HV.
Example 2
A diamond reinforced cobalt silicon carbide wear-resistant composite material is prepared from the following components in percentage by weight: 80% of cobalt, 1% of tungsten, 3% of diamond and 16% of silicon carbide.
The preparation method of the wear-resistant material provided by the embodiment comprises the following steps:
selecting diamond particles with the average size of 40 mu m and silicon carbide powder with the average particle size of 20 mu m, and carrying out surface modification on the diamond particles by utilizing a magnetron sputtering method;
selecting spherical cobalt powder prepared by plasma spheroidization, wherein the particle size distribution of the spherical cobalt powder is 15-65 mu m, and mechanically mixing the cobalt powder and the enhanced phase particles according to the proportion of 80 mass percent of the cobalt powder, 16 mass percent of silicon carbide and 4 mass percent of diamond/tungsten;
selecting a selective laser melting technology in a laser 3D printing technology, selecting high laser power of 140W, ensuring that tungsten and the surface of the diamond are completely reacted, and simultaneously avoiding the burning loss of a cobalt matrix, wherein the selective laser melting forming is carried out by process parameters with the scanning speed of 600mm/s and the scanning distance of 0.05 mm. And carrying out surface cutting and sand blasting treatment on the diamond enhanced cobalt silicon carbide composite material prepared by selective laser melting.
The method realizes the close combination of the reinforced phase silicon carbide, the diamond and the metal matrix, and the prepared diamond reinforced cobalt silicon carbide composite material has the relative density of 98.5 percent and few pores. The microhardness of the composite material part is 1021HV, and the composite material part has high wear resistance.
Example 3
A diamond reinforced cobalt silicon carbide wear-resistant composite material is prepared from the following components in percentage by weight: 82% of cobalt, 2% of tungsten, 5% of diamond and 11% of silicon carbide.
The preparation method of the wear-resistant material comprises the following steps:
selecting diamond particles with the average size of 40 mu m and silicon carbide powder with the average particle size of 20 mu m, and carrying out surface modification on the diamond particles by utilizing a magnetron sputtering method;
selecting spherical cobalt powder prepared by plasma spheroidization, wherein the particle size distribution of the spherical cobalt powder is 15-65 mu m, and mechanically mixing the cobalt powder and the enhanced phase particles according to the proportion of 82 mass percent of the cobalt powder, 11 mass percent of silicon carbide and 7 mass percent of diamond/tungsten;
selecting a selective laser melting technology in a laser 3D printing technology, selecting high laser power 130W, ensuring that tungsten and the surface of the diamond are completely reacted, and simultaneously avoiding the burning loss of a cobalt matrix, wherein the scanning speed is 500mm/s, and the scanning distance is 0.06mm, and carrying out selective laser melting forming. And carrying out surface cutting and sand blasting treatment on the diamond enhanced cobalt silicon carbide composite material prepared by selective laser melting.
The method realizes the close combination of the reinforced phase silicon carbide, the diamond and the metal matrix, and the prepared diamond reinforced cobalt silicon carbide composite material has the relative density of 98.4 percent and few pores. The microhardness of the composite material part is 1015HV, and the composite material part has high wear resistance.
Example 4
A diamond reinforced cobalt silicon carbide wear-resistant composite material is prepared from the following components in percentage by weight: 85% of cobalt, 3% of tungsten, 5% of diamond and 7% of silicon carbide.
The preparation method of the wear-resistant material comprises the following steps:
selecting diamond particles with the average size of 40 mu m and silicon carbide powder with the average particle size of 20 mu m, and carrying out surface modification on the diamond particles by utilizing a magnetron sputtering method;
selecting spherical cobalt powder prepared by plasma spheroidization, wherein the particle size distribution of the spherical cobalt powder is 15-65 mu m, and mechanically mixing the cobalt powder and the enhanced phase particles according to the proportion of 85 mass percent of the cobalt powder, 7 mass percent of silicon carbide and 8 mass percent of diamond/tungsten;
selecting a selective laser melting technology in a laser 3D printing technology, selecting high laser power of 150W, ensuring that tungsten and the surface of the diamond are completely reacted, and simultaneously avoiding burning loss of a cobalt matrix, wherein the selective laser melting forming is carried out at a scanning speed of 700mm/s and a scanning distance of 0.07 mm. And carrying out surface cutting and sand blasting treatment on the diamond enhanced cobalt silicon carbide composite material prepared by selective laser melting.
The method realizes the close combination of the reinforced phase silicon carbide, the diamond and the metal matrix, and the prepared diamond reinforced cobalt silicon carbide composite material has the relative density of 98.4 percent and few pores. The microhardness of the composite material part is 1017HV, and the composite material part has high wear resistance.
Example 5
A diamond enhanced cobalt silicon carbide wear-resistant composite material is prepared from the following components in percentage by weight: 79% of cobalt, 3% of tungsten, 8% of diamond and 10% of silicon carbide.
The preparation method of the wear-resistant material comprises the following steps:
selecting diamond particles with the average size of 40 mu m and silicon carbide powder with the average particle size of 20 mu m, and carrying out surface modification on the diamond particles by utilizing a magnetron sputtering method;
selecting spherical cobalt powder prepared by plasma spheroidization, wherein the particle size distribution of the spherical cobalt powder is 15-65 mu m, and mechanically mixing the cobalt powder and the enhanced phase particles according to the proportion of 79 percent of the mass fraction of the cobalt powder, 10 percent of the mass fraction of silicon carbide and 11 percent of the mass fraction of diamond/tungsten;
selecting a selective laser melting technology in a laser 3D printing technology, selecting high laser power of 170W, ensuring that tungsten and the surface of the diamond are completely reacted, and simultaneously avoiding the burning loss of a cobalt matrix, wherein the selective laser melting forming is carried out by process parameters with the scanning speed of 800mm/s and the scanning interval of 0.08 mm. And carrying out surface cutting and sand blasting treatment on the diamond enhanced cobalt silicon carbide composite material prepared by selective laser melting.
The method realizes the close combination of the reinforced phase silicon carbide, the diamond and the metal matrix, and the prepared diamond reinforced cobalt silicon carbide composite material has the relative density of 98.6 percent and few pores. The microhardness of the composite material part is 1034HV, and the composite material part has higher wear resistance.
Known by the embodiment, the composite material realizes the close combination of the enhanced phase silicon carbide, the diamond and the metal matrix, so that the relative density is higher than that of the prior art, the pores are less, the hardness is higher, and the wear resistance is greatly improved.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The wear-resistant composite material prepared by using the laser 3D printing technology is characterized by comprising a metal matrix phase, reinforcing phase particles and transition metal, wherein the reinforcing phase particles are dispersed in the metal matrix phase;
the metal matrix phase is cobalt, cobalt alloy, nickel or nickel alloy, the enhancement phase particles are diamond particles and silicon carbide particles, the transition metal is tungsten or chromium, the diamond particles cover the transition metal on the surfaces of the diamond particles through a magnetron sputtering method, the mass fraction of the metal matrix phase is 70% -89%, the mass fraction of the diamond particles is 5% -10%, the mass fraction of the silicon carbide particles is 5% -15%, and the mass fraction of the transition metal is 1% -5%;
the preparation method of the wear-resistant composite material comprises the following steps:
screening suitable enhancement phase particles, wherein the enhancement phase particles are diamond particles and silicon carbide particles;
modifying the surfaces of the diamond particles by a magnetron sputtering method;
mixing the modified diamond particles, the modified silicon carbide particles and a metal matrix to obtain a mixed material;
and preparing the mixed material by using a laser melting 3D printing technology to obtain the composite material.
2. The wear-resistant composite material prepared by using the laser 3D printing technology according to claim 1, wherein the diamond particles have a size of 40-60 μm and a purity of not less than 99.99%, the silicon carbide particles have a particle size of 15-65 μm, the metal matrix has a particle size of 15-65 μm and a purity of not less than 99.9%.
3. The wear-resistant composite material prepared by the laser 3D printing technology according to claim 1, wherein the modification of the surface of the diamond particles by the magnetron sputtering method comprises:
adopting transition metal as a sputtering target material, and plating a transition metal layer with a certain thickness on the surface of the diamond particles by a magnetron sputtering method;
wherein the magnetron sputtering machine is vacuumized to 1 × 10 -3 Pa, introducing sputtering pure Ar gas with the sputtering power of 320W; the distance between the sputtering target and the diamond particles is 60mm, and the deposition rate is 0.2nm/s.
4. The wear-resistant composite material prepared by using the laser 3D printing technology according to claim 3, wherein the transition metal is tungsten or chromium, and the purity is 99.9wt%.
5. The wear-resistant composite material prepared by the laser 3D printing technology according to claim 4, wherein the modified diamond particles, the silicon carbide particles and the metal matrix are mixed to obtain a mixed material, and the mixed material comprises the following components:
and mechanically mixing the metal matrix, the modified diamond particles and the modified silicon carbide particles according to the mass fraction of the metal matrix being 70-89%, the mass fraction of the modified diamond particles being 5-10% and the mass fraction of the silicon carbide particles being 5-15%.
6. The wear-resistant composite material prepared by using the laser 3D printing technology according to claim 5, wherein the process parameters in the laser melting 3D printing technology comprise: the scanning speed is 300-900mm/s, the scanning interval is 0.04-0.08 mm, and the laser power is 110-200W.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210470257.8A CN114807724B (en) | 2022-04-28 | 2022-04-28 | Wear-resistant composite material prepared by laser 3D printing technology and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210470257.8A CN114807724B (en) | 2022-04-28 | 2022-04-28 | Wear-resistant composite material prepared by laser 3D printing technology and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114807724A CN114807724A (en) | 2022-07-29 |
| CN114807724B true CN114807724B (en) | 2023-04-11 |
Family
ID=82508927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210470257.8A Active CN114807724B (en) | 2022-04-28 | 2022-04-28 | Wear-resistant composite material prepared by laser 3D printing technology and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114807724B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115971475A (en) * | 2022-12-26 | 2023-04-18 | 吉林大学 | Diamond-containing super-wear-resistant nickel-based composite material and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA3050270A1 (en) * | 2018-08-29 | 2020-02-29 | Halliburton Energy Services, Inc. | Methods and applications of wear resistant material enhanced via matrix and hard-phase optimization |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6010100B2 (en) * | 1976-01-29 | 1985-03-15 | 東北大学金属材料研究所長 | Method for producing silicon carbide fiber-reinforced cobalt-based composite material |
| JPS61279653A (en) * | 1985-06-04 | 1986-12-10 | Hitachi Ltd | Ni-base composite material excellent in wear resistance and corrosion resistance and its production |
| US7568770B2 (en) * | 2006-06-16 | 2009-08-04 | Hall David R | Superhard composite material bonded to a steel body |
| GB2549905A (en) * | 2015-03-20 | 2017-11-01 | Halliburton Energy Services Inc | Metal-matrix composites reinforced with a refractory metal |
| CN105583401B (en) * | 2015-12-25 | 2018-11-02 | 华中科技大学 | A kind of method preparing the composite powder for 3D printing, product and application |
| EP3257956B2 (en) * | 2016-06-13 | 2022-02-16 | General Electric Technology GmbH | Ni-base superalloy composition and method for slm processing such ni-base superalloy composition |
| CN107252894A (en) * | 2017-06-15 | 2017-10-17 | 中北大学 | A kind of preparation method of gear division 3D printing cobalt-based composite ceramic powder |
| CN110961622B (en) * | 2018-09-28 | 2022-11-11 | 格林美股份有限公司 | 3D printing method of cobalt alloy |
| CN111719066A (en) * | 2019-03-19 | 2020-09-29 | 江西宝航新材料有限公司 | Preparation method and application of AlSiC composite material for metal 3D printing |
| CN110438457B (en) * | 2019-08-27 | 2020-10-27 | 西安交通大学 | Modified diamond particles, modification method, application of modified diamond particles as reinforcing phase and obtained metal-based composite material |
| EP3881956A1 (en) * | 2020-03-17 | 2021-09-22 | Nanoe | Composition for 3d printing ceramic and/or metallic shaped bodies |
| CN111519076A (en) * | 2020-04-30 | 2020-08-11 | 成都本征新材料技术有限公司 | Diamond particle reinforced metal matrix composite material and preparation method and application thereof |
| CN111872390B (en) * | 2020-08-06 | 2021-10-19 | 哈尔滨工业大学 | Method for preparing diamond metal matrix composite material by selective laser melting process |
| CN111940723B (en) * | 2020-08-30 | 2022-11-25 | 中南大学 | Nano ceramic metal composite powder for 3D printing and application |
| CN112322938B (en) * | 2020-09-21 | 2022-05-27 | 北京科技大学 | Nickel-based composite material based on additive manufacturing, preparation method and forming method thereof |
-
2022
- 2022-04-28 CN CN202210470257.8A patent/CN114807724B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA3050270A1 (en) * | 2018-08-29 | 2020-02-29 | Halliburton Energy Services, Inc. | Methods and applications of wear resistant material enhanced via matrix and hard-phase optimization |
Non-Patent Citations (1)
| Title |
|---|
| 镍基WC-金刚石复合镀层的制备和摩擦磨损特性研究;牛明远等;《中国煤炭地质》;20110525;第23卷(第5期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114807724A (en) | 2022-07-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101285187B (en) | Method for preparing particulate reinforced metal-based composite material | |
| CN111254379B (en) | Preparation method of high-entropy ceramic coating | |
| CN109161774A (en) | Haystellite and preparation method thereof by high-entropy alloy as binder | |
| CN112375951B (en) | Metal ceramic heating material and preparation method thereof | |
| CN109338137B (en) | Method for producing chromium nitride-containing spray powders | |
| JP2018538433A (en) | Powder forming method of aluminum and aluminum alloy | |
| US9186742B2 (en) | Microwave brazing process and assemblies and materials therefor | |
| CN111235511B (en) | Preparation method of multi-element ceramic composite coating | |
| CN111254376B (en) | Preparation method of high-entropy ceramic composite coating | |
| JPH04228555A (en) | Thermal spraying powder mixture | |
| CN103231064B (en) | Manufacturing method for novel nickel base solder brazing monolayer diamond grinding wheel | |
| CN109332695B (en) | Selective laser melting preparation method of molybdenum-based alloy with enhanced oxidation resistance | |
| CN105986161A (en) | Cermet material and preparation method | |
| CN102560178A (en) | Method for preparing porous material | |
| CN114807724B (en) | Wear-resistant composite material prepared by laser 3D printing technology and method | |
| EP1594644B1 (en) | Formation of metallic thermal barrier alloys | |
| CN110744058A (en) | Preparation method for in-situ synthesis of copper-based composite material | |
| CN111334742B (en) | Method for preparing ceramic composite coating of refractory transition metal compound | |
| CN107914005A (en) | A kind of preparation method of the wear-resisting fusion materials of high B | |
| EP2208558B1 (en) | Process for producing refractory metal alloy powders | |
| CN105679560A (en) | Preparation method of nickel-plated graphene-reinforced silver-based electrical contact material | |
| CN101158017A (en) | CuNiIn coating material and preparation method of coating | |
| CN101259528B (en) | Non magnetic cemented carbide powder with nickel-vanadium alloys as binder phase and preparation | |
| CN112725791B (en) | TiB 2 /Fe 64 Ni 36 Composite coating and preparation method thereof | |
| CN112958783B (en) | Laser melting deposition refractory high-entropy alloy micro-laminated composite material and preparation method and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | 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 |