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High-strength wear-resistant alloy

A wear-resistant alloy and high-strength technology, which is applied in the field of high-strength wear-resistant alloys, can solve problems such as axle press-fit fatigue damage that have not been effectively solved, and achieve improved performance and cleanliness, improved hardenability, and reduced phase transformation The effect of temperature

Inactive Publication Date: 2013-03-06
无锡常安通用金属制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The fatigue life of the axle is directly related to the material, manufacture, heat treatment and design method of the axle, especially the fatigue damage of the press-fit part of the axle has not been effectively solved

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A high-strength wear-resistant alloy prepared from the following components in parts by weight:

[0017] C: 0.2 parts, Si: 0.2 parts, Ti: 0.05 parts, Cr: 1 part, Ni: 1 part, Mo: 0.2 parts, Fe: 80 parts.

Embodiment 2

[0019] A high-strength wear-resistant alloy prepared from the following components in parts by weight:

[0020] C: 0.5 parts, Si: 0.5 parts, Ti: 0.2 parts, N: 0.05 parts, S: 0.04 parts, Cr: 2.5 parts, Ni: 3.5 parts, Mo: 0.5 parts, Fe: 120 parts.

[0021]

Embodiment 3

[0023] A high-strength wear-resistant alloy prepared from the following components in parts by weight:

[0024] C: 0.3 parts, Si: 0.3 parts, Ti: 0.08 parts, N: 0.01 parts, S: 0.01 parts, Cr: 1 part, Ni: 2 parts, Mo: 0.2 parts, Fe: 110 parts.

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PUM

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Abstract

The invention discloses a high-strength wear-resistant alloy, which comprises the following components in parts by weight: 0.2-0.5 parts of C, 0.2-0.5 parts of Si, 0.05-0.2 parts of Ti, 0-0.05 parts of N, 0-0.04 parts of S, 1-2.5 parts of Cr, 1-3.5 parts of Ni, 0.2-0.5 parts of Mo and 80-120 parts of Fe. According to the invention, the relationship between components and comprehensive performance of the material are bothis considered, and the prepared high-strength wear-resistant alloy has quite high strength and high wear resistance performance.

Description

technical field [0001] The invention relates to an alloy material, in particular to a high-strength wear-resistant alloy. Background technique [0002] The safety of vehicle operation is a major basic engineering project involving the national economy and the people's livelihood, and the axle is one of the key running components of a high-speed rail train. The quality of its comprehensive performance largely determines the long-term safety and service life of the train. The fatigue life of the axle is directly related to the material, manufacture, heat treatment and design method of the axle, especially the fatigue damage problem of the press-fit part of the axle has not been effectively solved. Axles for high-speed railway trains are usually produced internationally using two materials and process technologies. One technical idea is to use medium-high carbon carbon steel to produce and use induction coil quenching to obtain good hardness and fatigue properties on the surfac...

Claims

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Application Information

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IPC IPC(8): C22C38/50
Inventor 高熠辉
Owner 无锡常安通用金属制品有限公司
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