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TiCoMoNb basic shaft tile lubricating self-regulating composite material and preparation method thereof

A composite material and self-regulating technology, used in additive processing, metal processing equipment, transportation and packaging, etc., can solve the problems of reduced friction and wear performance, restricting the rapid development of titanium-based bearing shell structural parts, etc. The effect of remarkable enrichment behavior and excellent friction and wear properties

Inactive Publication Date: 2019-10-11
ANYANG INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the friction and wear properties of high-cobalt alloys drop sharply in extreme environments, especially in sudden changes in working conditions, which is extremely unfavorable for expanding its application range in the engineering field, and restricts the zero-scale construction of titanium-based bearing pads in my country. Rapid development of components【Liu Hongdou, Yang Aimin, Liu Feng. Research status of self-lubricating materials[J]. Thermal Processing Technology, 2018(2): 5-10】

Method used

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  • TiCoMoNb basic shaft tile lubricating self-regulating composite material and preparation method thereof
  • TiCoMoNb basic shaft tile lubricating self-regulating composite material and preparation method thereof
  • TiCoMoNb basic shaft tile lubricating self-regulating composite material and preparation method thereof

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Embodiment 1

[0029] A TiCoMoNb-based bearing bush lubrication self-regulating composite material with PdAgPtAuCuZn as the lubricating phase and AgCuCdSe-SiN as the lubrication regulator is prepared. It is characterized in that the TiCoMoNb-based bearing bush lubricating self-regulating composite material is prepared by using the laser addition and subtraction material manufacturing technology and the vacuum pressure infiltration process. The atomic ratio (at%) of the matrix material TiCoMoNb is 20:16:12:3, and the atomic ratio (at%) of the lubricating phase PdAgPtAuCuZn is 35:30:10:10:1:1. The mass ratio (wt%) of regulator AgCuCdSe to SiN is 1:1, the atomic ratio (at%) of Ag, Cu, Cd, Se is 3:2:3:5, and the atomic ratio (at%) of SiN nanoparticles is 3: 5. The mass ratio of the solid lubricating phase PdAgPtAuCuZn to the matrix material TiCoMoNb is 1:10, and the mass ratio of the lubrication regulator AgCuCdSe-SiN to the matrix material TiCoMoNb is 1:15. According to the above ratio, Ti, C...

Embodiment 2

[0039] A TiCoMoNb-based bearing bush lubrication self-regulating composite material with PdAgPtAuCuZn as the lubricating phase and AgCuCdSe-SiN as the lubrication regulator is prepared. It is characterized in that the TiCoMoNb-based bearing bush lubricating self-regulating composite material is prepared by using the laser addition and subtraction material manufacturing technology and the vacuum pressure infiltration process. The atomic ratio (at%) of the matrix material TiCoMoNb is 20:16:12:3.5, and the atomic ratio (at%) of the lubricating phase PdAgPtAuCuZn is 35:30:10:10:1:0.7. The mass ratio (wt%) of regulator AgCuCdSe to SiN is 3:1, the atomic ratio (at%) of Ag, Cu, Cd, Se is 4:2:3:6, and the atomic ratio (at%) of SiN nanoparticles is 3: 7. The mass ratio of the lubricating phase PdAgPtAuCuZn to the matrix material TiCoMoNb is 1:3, and the mass ratio of the lubrication regulator AgCuCdSe-SiN to the matrix material TiCoMoNb is 1:7. According to the above ratio, Ti, Co, M...

Embodiment 3

[0049] A TiCoMoNb-based bearing bush lubrication self-regulating composite material with PdAgPtAuCuZn as the lubricating phase and AgCuCdSe-SiN as the lubrication regulator is prepared. It is characterized in that the TiCoMoNb-based bearing bush lubricating self-regulating composite material is prepared by using the laser addition and subtraction material manufacturing technology and the vacuum pressure infiltration process. The atomic ratio (at%) of the matrix material TiCoMoNb is 20:16:12:5, and the atomic ratio (at%) of the lubricating phase PdAgPtAuCuZn is 35:30:10:10:1:0.4. The mass ratio (wt%) of regulator AgCuCdSe to SiN is 7:1, the atomic ratio (at%) of Ag, Cu, Cd, Se is 5:2:3:7, and the atomic ratio (at%) of SiN nanoparticles is 1: 3. The mass ratio of the lubricating phase PdAgPtAuCuZn to the matrix material TiCoMoNb is 1:5, and the mass ratio of the lubrication regulator AgCuCdSe-SiN to the matrix material TiCoMoNb is 1:10. Vacuum mixing and drying Ti, Co, Mo, Nb,...

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Abstract

The invention relates to a TiCoMoNb basic shaft tile lubricating self-regulating composite material. The composite material comprises a basic material TiCoMoNb, a solid lubricating phase PdAgPtAuCuZnand a lubricating regulating agent AgCuCdSe-SiN; a preparation method is characterized in that a hot centrifugal spray drying device is adopted and used for preparing TiCoMoNb-PdAgPtAuCuZn spherical powder, and preparing AgCuCdSe-SiN spherical powder; laser additive manufacturing and subtractive manufacturing equipment is adopted and used for preparing a TiCoMoNb-PdAgPtAuCuZn self-lubricating composite material; and a vacuum-pressure infiltration method is adopted and used for filling a curved micro-pore structure with a regulating agent AgCuCdSe-SiN powder. The TiCoMoNb basic shaft tile lubricating self-regulating composite material has the advantages of being compact in structure, high in purity, short in preparation period, simple in operation, easy to control, regular in arrangement ofmicropore flow channels, uniform in size distribution, good in self-lubricating property and good in lubricating regulation effect.

Description

technical field [0001] The invention relates to a TiCoMoNb-based bearing bush lubrication self-regulating composite material with PdAgPtAuCuZn as the solid lubricating phase AgCuCdSe-SiN as the lubrication regulator and a preparation method thereof. Background technique [0002] Titanium-based alloys have many excellent comprehensive properties such as high specific strength and specific stiffness, good corrosion resistance, low elastic modulus, large thermal conductivity, non-toxic and non-magnetic, and are widely used in aviation, aerospace, ships, weapons, chemicals, and medical treatment. It has a wide range of applications in industries such as Liu Rutie, Li Xibin, Cheng Shihe. Research overview of metal-based solid self-lubricating materials [J]. Powder Metallurgy Industry, 2001, 11(3):51-56]. High-cobalt titanium alloy has excellent solid solution aging strengthening effect, hardenability, fracture toughness and good cold and hot pressure processability, and is the pr...

Claims

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Application Information

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IPC IPC(8): B22F1/00C22C1/08B22F9/10C22C30/00C22C1/10B33Y10/00B33Y70/00
CPCB22F3/11B22F9/10C22C30/00C22C1/1036C22C14/00B33Y10/00B33Y70/00B22F1/105
Inventor 杨慷曹增志赵卫兵马洪儒马铭梁玉龙王连富曹帅涛卞会涛
Owner ANYANG INST OF TECH
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