CN102383128A - Metal matrix based niobium carbide rare earth ceramic composite material and method - Google Patents
Metal matrix based niobium carbide rare earth ceramic composite material and method Download PDFInfo
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- CN102383128A CN102383128A CN2011102467274A CN201110246727A CN102383128A CN 102383128 A CN102383128 A CN 102383128A CN 2011102467274 A CN2011102467274 A CN 2011102467274A CN 201110246727 A CN201110246727 A CN 201110246727A CN 102383128 A CN102383128 A CN 102383128A
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Abstract
The invention discloses a metal matrix based niobium carbide rare earth ceramic composite material and a method. The composite material is a multielement polyphase ceramic crystal with a NbC-V-RE-Fe-C structure, wherein NbC represents niobium carbide compound, and V represents metal vanadium element, and RE represents rare earth element, and Fe represents metal iron element, and C represents carbon element. A profile forming by combination of the ceramic crystal with a metal matrix is in a shape that non-regular sawteeth occlude mutually and completely covers over the metal matrix surface. A manufacture method comprises the steps of: first, preparing a carrier melt; second, preparing a composite material melt; third, preparing the niobium carbide rare earth ceramic composite material; fourth, carrying out subsequent processing.
Description
Technical field
The present invention relates to the rare-earth ceramic technical field of composite materials, especially based on the niobium carbide rare-earth ceramic technical field of composite materials of metallic matrix.
Background technology
Utilize the surface engineering technology method, metallic matrix is carried out surface-treated processing, to improve or to change its application project performance; Be the technological method that generally adopts at present, and in production practice, obtained good technology and economic benefit, but in these Metal Surface Modification Technique; Exist some technological deficiencies, like, complex manufacturing, the process-cycle is long, energy consumption is big, the scope of application is narrow, tooling cost is high; So, on the basis of the Metal Surface Modification Technique method of using at present, but utilization matrix material design characteristics and formation mechanism thereof; On metallic matrix, make matrix material; Exploring and the innovation Metal Surface Modification Technique, is very urgent and necessary, also is one of direction of surface engineering technology development.
Summary of the invention
The object of the invention is the above-mentioned technological deficiency that exists to the metal current process for modifying surface, and a kind of niobium carbide rare-earth ceramic matrix material and method based on metallic matrix is provided.
Technical scheme of the present invention is; A kind of niobium carbide rare-earth ceramic matrix material based on metallic matrix; It is a kind of polynary multiphase ceramic crystal of NbC-V-RE-Fe-C structure, and wherein NbC is that niobium carbide compound, V are that vanadium metal element, RE are that REE, Fe are that metallic iron element, C are carbons, it and metallic matrix bonded section shape; Be a kind of mutual interlock shape of sawtooth of non-rule, and be covered on the metal base surface fully with certain thickness.
Above-described niobium carbide rare-earth ceramic matrix material based on metallic matrix, said metallic matrix are through heat treated various steel profiled members, can be moulds; Also can be tubing; Also can be mechanical component, also can be instrument, also can be cutter; Also can be other steel profiled members, can be commonly referred to as processing work;
The making method of the niobium carbide rare-earth ceramic matrix material based on metallic matrix of the present invention is:
The first step; Make the preparation of carrier liquation, will make after support powder material and the rare earth powder material uniform mixing, insert to make in the container and heat to 600 ℃ to 800 ℃; Under the activation of REE; Make and make the support powder material to molten state, wherein, making support powder material is 98 to 92 to 2 to 8 with the ratio of rare earth powder material;
In second step, the composite material melt preparation is with Nb
2O
5Powdered material, VC powdered material, rare earth powder material are added to respectively to be made in the container, keeps 600 ℃ of temperature to 800 ℃, until Nb
2O
5Powdered material, VC powdered material, rare earth powder material, hydrogen-reduced powder material etc., they are suspended in equably and make in the carrier liquation, wherein, Nb
2O
5The ratio of powdered material, VC powdered material, rare earth powder material is 68 to 78 to 22 to 19 to 10 to 3;
The 3rd step, make niobium carbide rare-earth ceramic matrix material, will pass through the processing work that cleaning surfaces is handled, be presented to fully in the mixed molten liquid of making in the container, keep 600 ℃ to 800 ℃ of temperature, soaking time is 2 to 6 hours;
In the 4th step, subsequent disposal is taken out the processing work naturally cooling or through the heat treatment operation of line correlation, is carried out surface finish at last and handle.
In the above making method based on the niobium carbide rare-earth ceramic matrix material of metallic matrix; Said making support powder material; Being only to make medium as said niobium carbide rare-earth ceramic matrix material based on metallic matrix, not participating in the material that it makes reaction, can be industrial borax; Also can be the mixture of industrial borax and other neutral salt, also can be that other can be used as the said other materials of making medium based on the niobium carbide rare-earth ceramic matrix material of metallic matrix;
Said making container is that special heat-resisting allay material is made, and is generally drum shape, and outer wall has heating resistor band and lagging material shell, can interior agitating device.
Said rare earth powder material is the oxide powder that is rich in heavy rare earth element, can be yttrium oxide Y
2O
3Powdered material also can be scandium oxide Sc
2O
3Powdered material also can be the oxidate powder powder material that is rich in other heavy rare earth elements;
Said hydrogen-reduced powder material is in the said niobium carbide rare-earth ceramic matrix material making processes based on metallic matrix, and oxygen is carried out the reductive subsidiary material, can be the metallic aluminium powder powder material, also can be other hydrogen reduction agent powdered materials;
The ratio of said various materials, controlled temperature, soaking time etc.; Be structure and the organization factors according to said metal matrix material, consider the operating mode of follow-up use and make the parameter designs in advance such as target thickness, performance requirement of said niobium carbide rare-earth ceramic matrix material based on metallic matrix;
Technical thought of the present invention is, utilize metallic elements such as niobium, vanadium can with iron, carbon and REE, hybrid reaction generates a kind of chemical property of new ceramic material; Utilize metallic elements such as niobium, vanadium simultaneously, under the certain temperature condition, can separate out carbon, ferro element in the carbon containing steel; And according to certain rules with separate out counter diffusion; With elements such as carbon, iron, rare earths, change in part on the basis of carbon containing steel machinery and processing characteristics, can generate a kind of operational characteristic of new ceramics material on the surface of carbon containing steel; Adopting process carrier liquation is as machining medium, the oxide compound with niobium is main raw, is additive with the vanadium carbide therein; Is matrix with REE as energizer, with the carbon containing steel, under the certain temperature condition, makes a kind of niobium carbide rare-earth ceramic matrix material at carbon containing steel matrix surface.
According to the inventionly be, utilize, can significantly improve the machinery and the chemical properties such as hardness, intensity, shock resistance, erosion resistance, high thermal resistance, self lubricity, scale resistance of metal base surface through make niobium carbide rare-earth ceramic matrix material at metal base surface based on the niobium carbide rare-earth ceramic matrix material of metallic matrix and the beneficial effect of method; And production technique and technical equipment are simple; The production technique temperature is low, and is with short production cycle, less energy consumption; Be applicable to multiple metal works processing; Low production cost has tangible novelty and practicality and economy, can large scale application.
Description of drawings
Fig. 1 is the manufacture craft schematic flow sheet that the present invention is based on the niobium carbide rare-earth ceramic matrix material of metallic matrix.
Embodiment
Embodiment 1:
A kind of niobium carbide rare-earth ceramic matrix material based on metallic matrix; It is a kind of polynary multiphase ceramic crystal of NbC-V-RE-Te-C structure; Wherein NbC is that niobium carbide compound, V are that vanadium metal element, RE are that REE, Te are that metallic iron element, C are carbons; It and metallic matrix bonded section shape are a kind of mutual interlock shapes of sawtooth of non-rule, and are covered on the metal base surface fully with certain thickness.
Above-described niobium carbide rare-earth ceramic matrix material based on metallic matrix, said metallic matrix are that its material is Cr12Mo1V through heat treated steel plate press tool, and the thicker ≈ 3.5mm of punching press plate, sheet material are other high-tensile steels of 590MPa level;
The making method of the niobium carbide rare-earth ceramic matrix material based on metallic matrix of the present invention is:
The first step; Make the preparation of carrier liquation, will make after support powder material and the rare earth powder material uniform mixing, insert to make in the container and heat to 600 ℃ to 800 ℃; Under the activation of REE; Make and make the support powder material to molten state, wherein, making support powder material is 96 to 4 with the ratio of rare earth powder material;
In second step, the composite material melt preparation is with Nb
2O
5Powdered material, VC powdered material, rare earth powder material are added to respectively to be made in the container, keeps 600 ℃ of temperature to 800 ℃, until Nb
2O
5Powdered material, VC powdered material, rare earth powder material, hydrogen-reduced powder material etc., they are suspended in equably and make in the carrier liquation, wherein, Nb
2O
5The ratio of powdered material, VC powdered material, rare earth powder material is 75 to 19 to 6;
The 3rd step, make niobium carbide rare-earth ceramic matrix material, will pass through the steel plate press tool that cleaning surfaces is handled, be presented to fully in the mixed molten liquid of making in the container, keep 600 ℃ to 800 ℃ of temperature, soaking time is 4 hours;
In the 4th step, subsequent disposal is taken out steel plate press tool naturally cooling or through the heat treatment operation of line correlation, is carried out surface finish at last and handle.
In the above making method based on the niobium carbide rare-earth ceramic matrix material of metallic matrix; Said making support powder material; Being only to make medium as said niobium carbide rare-earth ceramic matrix material based on metallic matrix, not participating in the material that it makes reaction, can be industrial borax; Or the mixture of industrial borax and other neutral salt, also can be that other can be used as the said other materials of making medium based on the niobium carbide rare-earth ceramic matrix material of metallic matrix;
Said making container is that special heat-resisting allay material is made, and is generally drum shape, and outer wall has heating resistor band and lagging material shell, can interior agitating device.
Said rare earth powder material is yttrium oxide Y
2O
3Powdered material also can be scandium oxide Sc
2O
3Powdered material also can be the oxidate powder powder material that is rich in other heavy rare earth elements;
Said hydrogen-reduced powder material is in the said niobium carbide rare-earth ceramic matrix material making processes based on metallic matrix, and oxygen is carried out the reductive subsidiary material, is the metallic aluminium powder powder material, also can be other hydrogen reduction agent powdered materials;
The ratio of said various materials, controlled temperature, soaking time etc.; Be structure and the organization factors according to said steel plate press tool material, consider the operating mode of follow-up use and make the parameter designs in advance such as target thickness, performance requirement of said niobium carbide rare-earth ceramic matrix material based on metallic matrix.
Embodiment 2:
A kind of niobium carbide rare-earth ceramic matrix material based on metallic matrix; It is a kind of polynary multiphase ceramic crystal of NbC-V-RE-Te-C structure; Wherein NbC is that niobium carbide compound, V are that vanadium metal element, RE are that REE, Te are that metallic iron element, C are carbons; It and metallic matrix bonded section shape are a kind of mutual interlock shapes of sawtooth of non-rule, and are covered on the metal base surface fully with certain thickness.
Above-described niobium carbide rare-earth ceramic matrix material based on metallic matrix, said metallic matrix are automobile engine cylinder-body die casting casting pin parts, and its material is 4Cr5MoSiV1, are called die casting casting pin member at this;
The making method of the niobium carbide rare-earth ceramic matrix material based on metallic matrix of the present invention is:
The first step; Make the preparation of carrier liquation, will make after support powder material and the rare earth powder material uniform mixing, insert to make in the container and heat to 600 ℃ to 800 ℃; Under the activation of REE; Make and make the support powder material to molten state, wherein, making support powder material is 94 to 6 with the ratio of rare earth powder material;
In second step, the composite material melt preparation is with Nb
2O
5Powdered material, VC powdered material, rare earth powder material are added to respectively to be made in the container, keeps 600 ℃ of temperature to 800 ℃, until Nb
2O
5Powdered material, VC powdered material, rare earth powder material, hydrogen-reduced powder material etc., they are suspended in equably and make in the carrier liquation, wherein, Nb
2O
5The ratio of powdered material, VC powdered material, rare earth powder material is 71 to 21 to 8;
The 3rd step, make niobium carbide rare-earth ceramic matrix material, will pass through the steel plate press tool that cleaning surfaces is handled, be presented to fully in the mixed molten liquid of making in the container, keep 600 ℃ to 800 ℃ of temperature, soaking time is 2.5 hours;
In the 4th step, subsequent disposal is taken out die casting casting pin member naturally cooling or through the heat treatment operation of line correlation, is carried out surface finish at last and handle.
In the above making method based on the niobium carbide rare-earth ceramic matrix material of metallic matrix; Said making support powder material; Being only to make medium as said niobium carbide rare-earth ceramic matrix material based on metallic matrix, not participating in the material that it makes reaction, can be industrial borax; Also can be the mixture of industrial borax and other neutral salt, also can be that other can be used as the said other materials of making medium based on the niobium carbide rare-earth ceramic matrix material of metallic matrix;
Said making container is that special heat-resisting allay material is made, and is generally drum shape, and outer wall has heating resistor band and lagging material shell, can interior agitating device.
Said rare earth powder material is yttrium oxide Y
2O
3Powdered material also can be scandium oxide Sc
2O
3Powdered material also can be the oxidate powder powder material that is rich in other heavy rare earth elements;
Said hydrogen-reduced powder material is in the said niobium carbide rare-earth ceramic matrix material making processes based on metallic matrix, and oxygen is carried out the reductive subsidiary material, is the metallic aluminium powder powder material, also can be other hydrogen reduction agent powdered materials;
The ratio of said various materials, controlled temperature, soaking time etc.; Be structure and organization factors, consider the operating mode of follow-up use and make the parameter designs in advance such as target thickness, performance requirement of said niobium carbide rare-earth ceramic matrix material based on metallic matrix according to said die casting casting pin member material.
The above is merely of the present invention and further specifies, and according to the technological method that the present invention disclosed, carries out simple change and replacement, all belongs to the scope of the invention.
Claims (8)
1. niobium carbide rare-earth ceramic matrix material based on metallic matrix; It is characterized in that; It is a kind of polynary multiphase ceramic crystal of NbC-V-RE-Fe-C structure, and wherein NbC is that niobium carbide compound, V are that vanadium metal element, RE are that REE, Fe are that metallic iron element, C are carbons, it and metallic matrix bonded section shape; Be a kind of mutual interlock shape of sawtooth of non-rule, and be covered on the metal base surface fully with certain thickness.
2. a kind of niobium carbide rare-earth ceramic matrix material based on metallic matrix according to claim 1 is characterized in that, said metallic matrix is through heat treated various steel profiled members; Can be mould, also can be tubing, also can be mechanical component; It also can be instrument; Also can be cutter, also can be other steel profiled members, can be commonly referred to as processing work.
3. the niobium carbide rare-earth ceramic matrix material based on metallic matrix according to claim 1 is characterized in that, the making method of described niobium carbide rare-earth ceramic matrix material based on metallic matrix is:
The first step; Make the preparation of carrier liquation, will make after support powder material and the rare earth powder material uniform mixing, insert and heat in the process vessel to 600 ℃ to 800 ℃; Under the activation of REE; Make and make the support powder material to molten state, wherein, making support powder material is 98 to 92 to 2 to 8 with the ratio of rare earth powder material;
In second step, the composite material melt preparation is with Nb
2O
5Powdered material, VC powdered material, rare earth powder material are added to respectively to be made in the container, keeps 600 ℃ of temperature to 800 ℃, until Nb
2O
5Powdered material, VC powdered material, rare earth powder material, hydrogen-reduced powder material etc., they are suspended in equably and make in the carrier liquation, wherein, Nb
2O
5The ratio of powdered material, VC powdered material, rare earth powder material is 68 to 78 to 22 to 19 to 10 to 3;
The 3rd step, make niobium carbide rare-earth ceramic matrix material, will pass through the processing work that cleaning surfaces is handled, be presented to fully in the mixed molten liquid of making in the container, keep 600 ℃ to 800 ℃ of temperature, soaking time is 2 to 6 hours;
In the 4th step, subsequent disposal is taken out the processing work naturally cooling or through the heat treatment operation of line correlation, is carried out surface finish at last and handle.
4. in the making method according to the said niobium carbide rare-earth ceramic matrix material based on metallic matrix of claim 3; Said making support powder material; Be only to make medium as said niobium carbide rare-earth ceramic matrix material based on metallic matrix; Do not participate in the material that it makes reaction; Can be industrial borax, also can be the mixture of industrial borax and other neutral salt, also can be that other can be used as the said other materials of making medium based on the niobium carbide rare-earth ceramic matrix material of metallic matrix.
5. in the making method according to the said niobium carbide rare-earth ceramic matrix material based on metallic matrix of claim 3; Said making container is that special heat-resisting allay material is made; Be generally drum shape, outer wall has heating resistor band and lagging material shell, can interior agitating device.
6. in the making method according to the said niobium carbide rare-earth ceramic matrix material based on metallic matrix of claim 3, said rare earth powder material is the oxide powder that is rich in heavy rare earth element, can be yttrium oxide Y
2O
3Powdered material also can be scandium oxide Sc
2O
3Powdered material also can be the oxidate powder powder material that is rich in other heavy rare earth elements.
7. in the making method according to the said niobium carbide rare-earth ceramic matrix material based on metallic matrix of claim 3; Said hydrogen-reduced powder material; Be in the said niobium carbide rare-earth ceramic matrix material making processes based on metallic matrix; Oxygen is carried out the reductive subsidiary material, can be the metallic aluminium powder powder material, also can be other hydrogen reduction agent powdered materials;
8. in the making method according to the said niobium carbide rare-earth ceramic matrix material based on metallic matrix of claim 3; The ratio of said various materials, controlled temperature, soaking time etc.; Be structure and the organization factors according to said metal matrix material, consider the operating mode of follow-up use and make the parameter designs in advance such as target thickness, performance requirement of said niobium carbide rare-earth ceramic matrix material based on metallic matrix.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102808147A (en) * | 2012-09-05 | 2012-12-05 | 武汉力盾新材料科技有限公司 | Metallic carbide ceramic coating and preparation method thereof |
Citations (1)
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| CN102134677A (en) * | 2010-12-31 | 2011-07-27 | 南车戚墅堰机车车辆工艺研究所有限公司 | Iron-based composite material and preparation method thereof |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102134677A (en) * | 2010-12-31 | 2011-07-27 | 南车戚墅堰机车车辆工艺研究所有限公司 | Iron-based composite material and preparation method thereof |
Non-Patent Citations (1)
| Title |
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| 李鹏等: "稀土元素Y对Ti（C，N）基金属陶瓷性能的影响", 《硬质合金》, vol. 17, no. 2, 30 June 2000 (2000-06-30), pages 65 - 68 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102808147A (en) * | 2012-09-05 | 2012-12-05 | 武汉力盾新材料科技有限公司 | Metallic carbide ceramic coating and preparation method thereof |
| CN102808147B (en) * | 2012-09-05 | 2015-03-04 | 武汉力盾新材料科技有限公司 | Metallic carbide ceramic coating and preparation method thereof |
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