Structure and Property Analysis of Copper-chromium Contact Materials Melted with Vacuum Arc

LIANG Yong-he; ZHANG Ming-jiang; CHEN Ming-yong

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Structure and Property Analysis of Copper-chromium Contact Materials Melted with Vacuum Arc

更新时间：2025-04-26

- Structure and Property Analysis of Copper-chromium Contact Materials Melted with Vacuum Arc
- High VoltageApparatus Issue 3, Pages: 191-194(2004)
- 作者机构：
  
  1. 桂林电器科学研究所
  2. 桂林电器科学研究所广西桂林541004
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM503
- Published：2004
- 稿件说明：
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[1]梁永和,张明江,陈名勇.真空电弧熔炼的铜铬触头材料组织性能分析[J].高压电器,2004(03):191-194.

LIANG Yong-he, ZHANG Ming-jiang, CHEN Ming-yong. Structure and Property Analysis of Copper-chromium Contact Materials Melted with Vacuum Arc[J]. High voltageapparatus, 2004, (3): 191-194.
[1]梁永和,张明江,陈名勇.真空电弧熔炼的铜铬触头材料组织性能分析[J].高压电器,2004(03):191-194. DOI：

LIANG Yong-he, ZHANG Ming-jiang, CHEN Ming-yong. Structure and Property Analysis of Copper-chromium Contact Materials Melted with Vacuum Arc[J]. High voltageapparatus, 2004, (3): 191-194. DOI：

摘要

论述了铜铬触头的金相组织与形成机理、金相组织对电气性能的影响及影响结晶组织的工艺因素

阐明了电弧熔炼法铜铬触头材料具有铬在铜基体中呈均匀细小弥散分布的铜铬组织;在开断能力、抗熔焊性、介质恢复强度等电气性能方面均明显优于传统粉末冶金法铜铬触头材料。

Abstract

This paper describes the microstructure of copper-chromium contact and forming mechanism

the process factors affecting the crystallized structure as well as the influence of microstructure on electric properties. The copper-chromium contact melted with vacuum arc has the microstructure of homogeneous and fine chromium particles distributed dispersively in copper basis. The contact has many advantages in breaking capacity

anti-welding behaviour and dielectric recovery strength

compared with traditional powder metallurgy copper-chromium contact.

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