Tribological design of NiMoBNb-based separator multilayer composite structure material and preparation method of the material

A multi-layer composite and structural material technology, applied in chemical instruments and methods, layered products, metal processing equipment, etc., can solve the problems of easy blockage, corrosion and damage of separators, and achieve compact structure and good compatibility. , the effect of dense tissue structure

Active Publication Date: 2019-12-24
ANYANG INST OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Aiming at the deficiencies of the prior art, the present invention provides a NiMoBNb-based separator multilayer composite structure material and a preparation method thereof. The self-lubricating material of the multilayer composite structure NiMoBNb-based separator has good mechanical properties while meeting environmental protection requirements. Performance and excellent anti-friction and anti-wear properties are an effective method to solve the problems of easy clogging, corrosion and ultra-high temperature friction damage of separator products

Method used

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  • Tribological design of NiMoBNb-based separator multilayer composite structure material and preparation method of the material
  • Tribological design of NiMoBNb-based separator multilayer composite structure material and preparation method of the material
  • Tribological design of NiMoBNb-based separator multilayer composite structure material and preparation method of the material

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Embodiment 1

[0032] Such as figure 1 Shown, a kind of NiMoBNb-based separator multi-layer composite structure material tribology design and its preparation process mainly contain the following steps:

[0033] 1) The multilayer structure of a NiMoBNb-based separator is a three-layer composite structure, and the thickness ratio of each layer is calculated by mass percentage: the thickness of the top layer is 4%, the thickness of the middle layer is 35%, and the thickness of the bottom layer is 61%.

[0034] 2) According to the different mass percentages of the components in each layer of the raw material of the separator, the required material ratio is calculated; the top layer is 7% NiMoBNb alloy, 29% anti-wear agent, 9% heat conduction agent, 30% reinforcing agent, and 25% curing agent ; The middle layer is 20% NiMoBNb alloy, 10% anti-wear agent, 12% heat conduction agent, 40% reinforcing agent, and 18% curing agent. The bottom layer is all NiMoBNb alloy.

[0035] 3) According to the mas...

Embodiment 2

[0043] Such as figure 1 Shown, a kind of NiMoBNb-based separator multi-layer composite structure material tribology design and its preparation process mainly contain the following steps:

[0044] 1) The multilayer structure of a NiMoBNb-based separator is a three-layer composite structure, and the thickness percentage of each layer is 7% of the top layer thickness, 30% of the middle layer thickness, and 63% of the bottom layer thickness.

[0045] 2) According to the different mass percentages of the components in each layer of the raw material of the separator, the required material ratio is calculated; the top layer contains 8% NiMoBNb alloy, 32% anti-wear agent, 12% heat conduction agent, 26% reinforcing agent, and 22% curing agent ; The middle layer contains 25% NiMoBNb alloy, 16% anti-wear agent, 9% thermal conductivity agent, 36% reinforcing agent and 14% curing agent. The bottom layer is a pure NiMoBNb alloy.

[0046] 3) According to the mass ratio of the above-mention...

Embodiment 3

[0054] Such as figure 1 Shown, a kind of NiMoBNb-based separator multi-layer composite structure material tribology design and its preparation process mainly contain the following steps:

[0055] 1) The multilayer structure of a NiMoBNb-based separator is a three-layer composite structure, and the thickness ratio of each layer is calculated by mass percentage: the thickness of the top layer is 9%, the thickness of the middle layer is 42%, and the thickness of the bottom layer is 49%.

[0056]2) According to the different mass percentages of the components in each layer of the raw material of the separator, the ratio of the required raw materials is calculated; the top layer contains 10% NiMoBNb alloy, 42% anti-wear agent, 9% heat transfer agent, 21% reinforcing agent, and 18% curing agent ; The middle layer contains 20% NiMoBNb alloy, 17% anti-wear agent, 10% thermal conductivity agent, 42% reinforcing agent, and 11% curing agent. The bottom layer is all NiMoBNb alloy.

[00...

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Abstract

The invention discloses a NiMoBNb-based separator multilayer composite structure material and a preparation method thereof. According to the method, NiMoBNb matrix powder, a reinforcing material and amulti-component composite material are used as raw materials, and the NiMoBNb-based separator multilayer composite structure material with different layer thicknesses and different material components is prepared through the technological processes of vibration and mixing, multilayer structure pre-forming, surface treatment and layer-by-layer superposition sintering. The NiMoBNb-based separator multilayer composite structure material can meet the performance requirements of all parts of a separator self-lubricating material, can also be used in extremely severe environments with high temperature, high pressure and high corrosivity, realizes high performance and reliable work, has bearing capacity, compression resistance, high-temperature resistance and corrosion resistance, and particularly has tribological properties effectively meeting the required working requirements; and the application range of a separator is expanded in an environment which is inconvenient to maintain and lubricate, so that the NiMoBNb-based separator multilayer composite structure material has huge potential value and a wide application prospect.

Description

technical field [0001] The invention relates to the technical field of friction, wear and lubrication of mechanical parts of separators in machining centers, in particular to a NiMoBNb-based separator multilayer composite structure material and a preparation method thereof. Background technique [0002] With the rapid development of modern industry, mechanical parts separators face a series of extreme service conditions of ultra-high temperature, dusty wear, strong corrosion, strong radiation and oil-free and grease-free lubrication in the advanced manufacturing field; the main functions of the separator are: To connect and separate two or more parts, currently separator researchers mainly focus on the research on the structure of mechanical parts, often ignoring the material selection and preparation methods of the contact surface of the separator, which makes the separator face blockage in the working process , Corrosion, and ultra-high temperature friction damage problems...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B15/01B22F7/02B22F1/00B22F3/105
CPCB32B15/01B22F7/02B22F3/105B32B2307/554B32B2307/308B32B2307/714B32B2262/106B32B2262/0269B32B2262/101B22F2003/1051B22F2999/00B22F1/10B22F2207/01
Inventor 杨慷曹帅涛赵卫兵马洪儒李爱虎王连富王栋辉曹增志卞会涛张飞志
Owner ANYANG INST OF TECH
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