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Self-lubricating antiwear composite material

A composite material, self-lubricating technology, applied in the field of casting alloy materials, can solve the problems of long production cycle, low mechanical properties, difficult to control the consistency of product quality, etc., and achieve huge social and economic benefits.

Inactive Publication Date: 2005-02-09
高福池 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the above-mentioned materials can obtain certain wear resistance through heat treatment after smelting or sintering, their mechanical properties are low, the scope of application is narrow, and some materials are expensive and difficult to be widely used; Wear resistance, not only consumes a lot of energy in the production process, the production cycle is long, but also the production process is complicated, and corresponding complete sets of equipment are required, and it is difficult to control the consistency of product quality, especially the wear resistance obtained by surface treatment. The material only has a very thin anti-friction layer on its surface, which determines the impossibly long service life of the wear-resistant material obtained in this way

Method used

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  • Self-lubricating antiwear composite material
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  • Self-lubricating antiwear composite material

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Embodiment Construction

[0026] The present invention will be further described in detail below in conjunction with specific embodiments.

[0027] The specific implementation of the design idea of ​​the present invention is as follows:

[0028] Use a general intermediate frequency induction furnace to melt the alloy components except S in a general method, and finally add a sulfur-containing master alloy made by powder metallurgy. The tapping temperature is 1520-1560 ℃, and the sedation is 2 3 minutes, then pouring into test pieces.

[0029] The chemical composition of the test piece is listed in Table 1, Table 2 is the chemical composition of several wear-resistant materials in the prior art for comparison, Table 3 is the mechanical properties of each test piece in Table 1, and Table 4 is used in Table 2. Compare the mechanical properties of various materials.

[0030] Specimen 1

Specimen 2

Specimen 3

C

0.39

0.65

0.85

Si

1.20

0.8

1.0

...

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Abstract

An integrally self-lubricating antiwear composite material contains C (0.35-3.2%), Si (0.8-1.6%), Mn (0.8-1.4 %), S (1.0-5.0%), Cr (0.5-3.5%), Mo (0.2-0.9%), W (0.2-0.8%), RE (0.1-0.2%), Al (0.6-0.9%), V (0.1-0.2%), Ti (less than 0.2%), P (less than 0.05%) and Fe (the rest). It can also contains Cu and / or Ni for higher casting and mechanical performance. Its advantages are excellent self-lubricating performance, better mechanical performance, and low cost.

Description

Technical field [0001] The invention relates to the field of casting alloy materials, in particular to an integral self-lubricating and wear-resistant mechanical component that has excellent self-lubricating performance and good mechanical performance, and is suitable for making mechanical components with severe working conditions and high requirements for wear resistance. Composite materials. Background technique [0002] In the existing technologies at home and abroad, self-lubricating wear-resistant materials or composite wear-resistant materials mainly include the following: ① Graphite steel, whose graphite is not formed when solidified after smelting, but is formed when castings are graphitized and annealed at high temperatures. Obtained; ② cast iron containing phosphorus and other alloys; ③ alloys based on non-ferrous metals; ④ wear-resistant materials prepared by powder metallurgy. The method is to combine one or more metals with a certain particle size and a certain shape...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C38/60
Inventor 高福池高波
Owner 高福池
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