CN102383128B - 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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- CN102383128B CN102383128B CN201110246727.4A CN201110246727A CN102383128B CN 102383128 B CN102383128 B CN 102383128B CN 201110246727 A CN201110246727 A CN 201110246727A CN 102383128 B CN102383128 B CN 102383128B
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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 rare-earth ceramic technical field of composite materials, be especially produced on the niobium carbide rare-earth ceramic technical field of composite materials of surface of workpiece.
Background technology
Utilize surface engineering technology method, metal works is carried out to surface modification processing, to improve or to change its application project performance, it is the technological method generally adopting at present, and good technology and economic benefit in production practice, have been obtained, but in these Metal Surface Modification Technique, exist some technological deficiencies, as, complex manufacturing, process-cycle is long, energy consumption is large, 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, use the matrix material can design characteristics and formation mechanism thereof, on metal works, manufacture matrix material, explore and innovation Metal Surface Modification Technique, very urgent and necessary, also be one of direction of surface engineering technology development.
Summary of the invention
Object of the present invention, it is the above-mentioned technological deficiency existing for metal current process for modifying surface, one is to provide a kind of technical scheme that is produced on the niobium carbide rare-earth ceramic matrix material of surface of workpiece, and two are to provide a kind of making method that is produced on the niobium carbide rare-earth ceramic matrix material of surface of workpiece.
A kind of niobium carbide rare-earth ceramic matrix material that is produced on surface of workpiece, it is a kind of polynary multiphase ceramic crystal of NbC-V-RE-Fe-C structure, wherein NbC is that niobium carbide compound, V are that vanadium metal element, RE are that rare earth element, Fe are that metallic iron element, C are carbons, the section shape that it is combined with surface of workpiece, be the mutual interlock shape of a kind of irregular sawtooth, and be covered on surface of workpiece completely with certain thickness.
At the above, be produced in the niobium carbide rare-earth ceramic matrix material of surface of workpiece, described metal works is through heat treated steel profiled member, comprises mould, tubing, mechanical component, instrument, cutter.
The making method that is produced on the niobium carbide rare-earth ceramic matrix material of surface of workpiece of the present invention is:
The first step, makes the preparation of carrier liquation, by industrial borax/or the mixture of industrial borax and other neutral salt, with Y
2o
3powdered material/or Sc
2o
3powdered material/or after the oxidate powder powder material that is rich in other heavy rare earth elements evenly mixes, insert to make in container and heat to 600 ℃ to 800 ℃, make it to molten state, form and make carrier liquation, wherein, industrial borax/or the mixture of industrial borax and other neutral salt, with Y
2o
3powdered material/or Sc
2o
3powdered material/or the ratio that is rich in the oxidate powder powder material of other heavy rare earth elements be 98 to 92 to 2 to 8;
Second step, composite material melt preparation, by Nb
2o
5powdered material, VC powdered material, rare earth powder material, metallic aluminium powder powder material are added to respectively to be made in container, keeps 600 ℃ to 800 ℃ of temperature, until Nb
2o
5powdered material, VC powdered material, rare earth powder material, metallic aluminium powder powder material, they are suspended in above-mentioned making carrier liquation equably, 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, making niobium carbide rare-earth ceramic matrix material, the steel profiled member that will process through surface cleaning be inserted and be made in container, make it be placed in the mixed molten liquid of making carrier liquation and composite material melt formation completely, keep 600 ℃ to 800 ℃ of temperature, soaking time is 2 to 6 hours;
The 4th step, subsequent disposal, takes out metal works naturally cooling or carries out relevant heat treatment operation, finally carries out surface finish processing.
The invention has the beneficial effects as follows, by manufacture niobium carbide rare-earth ceramic matrix material at surface of workpiece, can significantly improve machinery and the chemical property such as hardness, intensity, shock resistance, erosion resistance, high thermal resistance, self lubricity, scale resistance of surface of workpiece, and production technique and technical equipment simple, production technique temperature is low, with short production cycle, less energy consumption, be applicable to the processing of various metals workpiece, low production cost, there is obvious novelty and practicality and economy, can large scale application.
Accompanying drawing explanation
Fig. 1 is the fabrication processing schematic diagram that the present invention is produced on the niobium carbide rare-earth ceramic matrix material of surface of workpiece.
Embodiment
Embodiment 1:
A kind of niobium carbide rare-earth ceramic matrix material that is produced on surface of workpiece, it is a kind of polynary multiphase ceramic crystal of NbC-V-RE-Fe-C structure, wherein NbC is that niobium carbide compound, V are that vanadium metal element, RE are that rare earth element, Fe are that metallic iron element, C are carbons, the section shape that it is combined with surface of workpiece, be the mutual interlock shape of a kind of irregular sawtooth, and be covered on surface of workpiece completely with certain thickness.
At the above, be produced in the niobium carbide rare-earth ceramic matrix material of surface of workpiece, described metal works is through heat treated steel plate punched mould, its material is Cr12Mo1V, the thicker ≈ 3.5mm of punching press plate, and sheet material is other high-tensile steel of 590MPa level.
The making method that is produced on the niobium carbide rare-earth ceramic matrix material of surface of workpiece of the present invention is:
The first step, makes the preparation of carrier liquation, by industrial borax/or the mixture of industrial borax and other neutral salt, with Y
2o
3powdered material/or Sc
2o
3powdered material/or after the oxidate powder powder material that is rich in other heavy rare earth elements evenly mixes, insert to make in container and heat to 600 ℃ to 800 ℃, make it to molten state, form and make carrier liquation, wherein, industrial borax/or the mixture of industrial borax and other neutral salt, with Y
2o
3powdered material/or Sc
2o
3powdered material/or the ratio that is rich in the oxidate powder powder material of other heavy rare earth elements be 98 to 92 to 2 to 8;
Second step, composite material melt preparation, by Nb
2o
5powdered material, VC powdered material, rare earth powder material, metallic aluminium powder powder material are added to respectively to be made in container, keeps 600 ℃ to 800 ℃ of temperature, until Nb
2o
5powdered material, VC powdered material, rare earth powder material, metallic aluminium powder powder material, they are suspended in above-mentioned making carrier liquation equably, 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, making niobium carbide rare-earth ceramic matrix material, the steel plate punched mould that will process through surface cleaning be inserted and be made in container, make it be placed in the mixed molten liquid of making carrier liquation and composite material melt formation completely, keep 600 ℃ to 800 ℃ of temperature, soaking time is 2 to 6 hours;
The 4th step, subsequent disposal, takes out steel plate punched mould naturally cooling or carries out relevant heat treatment operation, finally carries out surface finish processing.
Embodiment 2:
A kind of niobium carbide rare-earth ceramic matrix material that is produced on surface of workpiece, it is a kind of polynary multiphase ceramic crystal of NbC-V-RE-Fe-C structure, wherein NbC is that niobium carbide compound, V are that vanadium metal element, RE are that rare earth element, Fe are that metallic iron element, C are carbons, the section shape that it is combined with surface of workpiece, be the mutual interlock shape of a kind of irregular sawtooth, and be covered on surface of workpiece completely with certain thickness.
At the above, be produced in the niobium carbide rare-earth ceramic matrix material of surface of workpiece, described metal works is that its material is 4Cr5MoSiV1, referred to here as die casting casting pin member through heat treated automobile engine cylinder-body die casting casting pin part.
The making method that is produced on the niobium carbide rare-earth ceramic matrix material of surface of workpiece of the present invention is:
The first step, makes the preparation of carrier liquation, by industrial borax/or the mixture of industrial borax and other neutral salt, with Y
2o
3powdered material/or Sc
2o
3powdered material/or after the oxidate powder powder material that is rich in other heavy rare earth elements evenly mixes, insert to make in container and heat to 600 ℃ to 800 ℃, make it to molten state, form and make carrier liquation, wherein, industrial borax/or the mixture of industrial borax and other neutral salt, with Y
2o
3powdered material/or Sc
2o
3powdered material/or the ratio that is rich in the oxidate powder powder material of other heavy rare earth elements be 94 to 6;
Second step, composite material melt preparation, by Nb
2o
5powdered material, VC powdered material, rare earth powder material, metallic aluminium powder powder material are added to respectively to be made in container, keeps 600 ℃ to 800 ℃ of temperature, until Nb
2o
5powdered material, VC powdered material, rare earth powder material, metallic aluminium powder powder material, they are suspended in above-mentioned making carrier liquation equably, 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, the die casting casting pin member that process surface cleaning is processed is inserted and is made in container, makes it be placed in the mixed molten liquid of making carrier liquation and composite material melt formation completely, keep 600 ℃ to 800 ℃ of temperature, soaking time is 2.5 hours;
The 4th step, subsequent disposal, takes out die casting casting pin member naturally cooling or carries out relevant heat treatment operation, finally carries out surface finish processing.
The above most preferred embodiment, is only of the present invention further illustrating, and according to the disclosed technological method of the present invention, carries out simple change and replacement, all belongs to the scope of the invention.
Claims (2)
1. a niobium carbide rare-earth ceramic matrix material that is produced on surface of workpiece, it is characterized in that, described niobium carbide rare-earth ceramic matrix material is a kind of polynary multiphase ceramic crystal of NbC-V-RE-Fe-C structure, wherein NbC is that niobium carbide compound, V are that vanadium metal element, RE are that rare earth element, Fe are that metallic iron element, C are carbons, the section shape that it is combined with surface of workpiece, be the mutual interlock shape of a kind of irregular sawtooth, and be covered on surface of workpiece completely with certain thickness; Wherein, the making method of described niobium carbide rare-earth ceramic matrix material comprises:
The first step, makes the preparation of carrier liquation, by industrial borax/or the mixture of industrial borax and other neutral salt, with Y
2o
3powdered material/or Sc
2o
3powdered material/or after the oxidate powder powder material that is rich in other heavy rare earth elements evenly mixes, insert to make in container and heat to 600 ℃ to 800 ℃, make it to molten state, form and make carrier liquation, wherein, industrial borax/or the mixture of industrial borax and other neutral salt, with Y
2o
3powdered material/or Sc
2o
3powdered material/or the ratio that is rich in the oxidate powder powder material of other heavy rare earth elements be 98 to 92 to 2 to 8;
Second step, composite material melt preparation, by Nb
2o
5powdered material, VC powdered material, rare earth powder material, metallic aluminium powder powder material are added to respectively to be made in container, keeps 600 ℃ to 800 ℃ of temperature, until Nb
2o
5powdered material, VC powdered material, rare earth powder material, metallic aluminium powder powder material, they are suspended in above-mentioned making carrier liquation equably, 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, making niobium carbide rare-earth ceramic matrix material, the steel profiled member that will process through surface cleaning be inserted and be made in container, make it be placed in the mixed molten liquid of making carrier liquation and composite material melt formation completely, keep 600 ℃ to 800 ℃ of temperature, soaking time is 2 to 6 hours;
The 4th step, subsequent disposal, takes out metal works naturally cooling or carries out relevant heat treatment operation, finally carries out surface finish processing.
2. the niobium carbide rare-earth ceramic matrix material that is produced on surface of workpiece according to claim 1, is characterized in that, described metal works is through heat treated steel profiled member.
3. a making method that is produced on the niobium carbide rare-earth ceramic matrix material of surface of workpiece, is characterized in that, comprising:
The first step, makes the preparation of carrier liquation, by industrial borax/or the mixture of industrial borax and other neutral salt, with Y
2o
3powdered material/or Sc
2o
3powdered material/or after the oxidate powder powder material that is rich in other heavy rare earth elements evenly mixes, insert to make in container and heat to 600 ℃ to 800 ℃, make it to molten state, form and make carrier liquation, wherein, industrial borax/or the mixture of industrial borax and other neutral salt, with Y
2o
3powdered material/or Sc
2o
3powdered material/or the ratio that is rich in the oxidate powder powder material of other heavy rare earth elements be 98 to 92 to 2 to 8;
Second step, composite material melt preparation, by Nb
2o
5powdered material, VC powdered material, rare earth powder material, metallic aluminium powder powder material are added to respectively to be made in container, keeps 600 ℃ to 800 ℃ of temperature, until Nb
2o
5powdered material, VC powdered material, rare earth powder material, metallic aluminium powder powder material, they are suspended in above-mentioned making carrier liquation equably, 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, making niobium carbide rare-earth ceramic matrix material, the steel profiled member that will process through surface cleaning be inserted and be made in container, make it be placed in the mixed molten liquid of making carrier liquation and composite material melt formation completely, keep 600 ℃ to 800 ℃ of temperature, soaking time is 2 to 6 hours;
The 4th step, subsequent disposal, takes out metal works naturally cooling or carries out relevant heat treatment operation, finally carries out surface finish processing.
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| CN102383128B true CN102383128B (en) | 2014-04-09 |
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| 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 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| 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 |
|---|
| 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》.2000,第17卷(第2期),65-68. * |
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