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Design and preparation method of multi-layer composite structural NiTiCrBNb-based self-lubricating material for slide plate

A self-lubricating material and multi-layer composite technology, which is applied in the direction of metal processing equipment, chemical instruments and methods, layered products, etc., can solve the problems of inability to achieve lubricating effect, insufficient stiffness and hardness, poor anti-wear performance, etc., and achieve good Effects of lubricating performance and fixed molding function, small coefficient of friction, and low wear rate

Inactive Publication Date: 2020-01-03
ANYANG INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional gray cast iron skateboard materials have poor wear resistance, insufficient stiffness and hardness, resulting in low load-carrying capacity, especially in extreme service conditions such as high temperature and high load, which cannot achieve good lubrication effect

Method used

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  • Design and preparation method of multi-layer composite structural NiTiCrBNb-based self-lubricating material for slide plate
  • Design and preparation method of multi-layer composite structural NiTiCrBNb-based self-lubricating material for slide plate
  • Design and preparation method of multi-layer composite structural NiTiCrBNb-based self-lubricating material for slide plate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A multi-layer composite structure NiTiCrBNb-based sliding plate self-lubricating material is based on NiTiCrBNb-based alloy, curing agent, friction reducer, anti-wear agent, buffer material as raw materials, multi-layer composite structure is divided into friction film contact layer thickness, friction film support layer , four layers of friction film transition layer and base layer, the thickness volume percentage of each layer is 8% of friction film contact layer, 17% of friction film support layer, 30% of friction film transition layer and 45% of base layer.

[0029] like figure 1 As shown, a kind of multi-layer composite structure NiTiCrBNb base sliding plate self-lubricating material and its preparation method specifically include the following steps:

[0030]1) Preparation of multi-layer plate crystal MoNbCrO: select ammonium molybdate, niobium powder and cadmium powder with a particle size of 22 μm, weigh the original powder with a molar ratio of 6:3:2, and obtai...

Embodiment 2

[0038] A multilayer composite structure NiTiCrBNb-based sliding plate self-lubricating material uses NiTiCrBNb-based alloy, curing agent, friction reducer, anti-wear agent, and buffer material as raw materials. The multilayer composite structure is divided into a friction film contact layer, a friction film support layer, and a friction film. The film transition layer and the base layer are four layers, the friction film contact layer is 10%, the friction film support layer is 20%, the friction film transition layer is 25% and the base layer is 45%.

[0039] like figure 1 As shown, a kind of multi-layer composite structure NiTiCrBNb base sliding plate self-lubricating material and its preparation method specifically include the following steps:

[0040] 1) Preparation of multi-layer plate crystal MoNbCrO: Select ammonium molybdate, niobium powder and cadmium powder with a particle size of 26 μm, weigh the original powder with a molar ratio of 6:4:3, and obtain molybdenum by gr...

Embodiment 3

[0048] A multilayer composite structure NiTiCrBNb-based sliding plate self-lubricating material uses NiTiCrBNb-based alloy, curing agent, friction reducer, anti-wear agent, and buffer material as raw materials. The multilayer composite structure is divided into a friction film contact layer, a friction film support layer, and a friction film. The film transition layer and the base layer are four layers, the friction film contact layer is 8%, the friction film support layer is 20%, the friction film transition layer is 30% and the base layer is 42%.

[0049] like figure 1 As shown, a kind of multi-layer composite structure NiTiCrBNb base sliding plate self-lubricating material and its preparation method specifically include the following steps:

[0050] 1) For the preparation of multi-layer plate crystal MoNbCrO, select ammonium molybdate, niobium powder and cadmium powder with a particle size of 24 μm, weigh the original powder according to the molar ratio of 6:3:3, and obtain...

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Abstract

The invention discloses a design and preparation method of a multi-layer composite structural NiTiCrBNb-based self-lubricating material for a slide plate. The self-lubricating material uses a NiTiCrBNb-based alloy, a curing agent, an anti-friction agent, an anti-wear agent, and a buffer material as main components, and the multi-layer composite structural NiTiCrBNb-based self-lubricating materialfor the slide plate is prepared through the processes of design of each layer material, calculation, preparation, vibration mixing, hot-press forming, spark plasma sintering and subsequent machining.The multi-layer structural material for the slide plate is formed by overlaying and compounding of four layers of sheets, and plays a role of lubrication, support, transition and connection in the friction process; compared with a traditional graphite-containing metal-based block self-lubricating composite material, the multi-layer structural composite material provided by the invention has a significantly-improved material utilization rate and reduced material costs; and at the same time, the multi-layer structural slide plate has wide temperature range tribological characteristics, so that the slide plate can still maintain a small friction coefficient and a low wear rate under high and low temperature service conditions.

Description

technical field [0001] The invention relates to the technical field of sliding anti-friction and wear-resistant materials such as slide plates, sliders and guide rails, and in particular to a design and preparation method of a self-lubricating material for a multi-layer composite structure NiTiCrBNb-based slide plate. Background technique [0002] The CNC machine tool is the key device for processing high-precision parts, and the high-precision slide plate is installed on the CNC machine tool, which is one of the key parts of the CNC machine tool [Liu Yao, Hui Ye. Theoretical and experimental research status of linear rolling guide [J]. Machinery Management Development ,2018,33(07):219-221], which plays a vital role in the machining accuracy of machine tools. Traditional gray cast iron skateboard materials have poor wear resistance, insufficient stiffness and hardness, resulting in low load-carrying capacity, especially under extreme service conditions such as high temperatu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B15/01B32B15/085B32B33/00B22F7/02B22F1/00B22F3/105
CPCB32B15/01B32B15/085B32B33/00B22F7/02B22F3/105B22F2003/1051B22F2999/00B22F1/10B22F2207/01
Inventor 杨慷王栋辉殷雪赵卫兵马洪儒朱艳芳曹帅涛李爱虎王连富曹增志卞会涛宁飞扬
Owner ANYANG INST OF TECH
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