Effect of Fe Addition on Microstructure and Mechanical Properties of CuW Contact

CAO Weichan; LIANG Shuhua

doi:10.13296/j.1001-1609.hva.2014.11.002

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Effect of Fe Addition on Microstructure and Mechanical Properties of CuW Contact

更新时间：2025-04-26

- Effect of Fe Addition on Microstructure and Mechanical Properties of CuW Contact
- High VoltageApparatus Vol. 50, Issue 11, Pages: 7-11+18(2014)
- 作者机构：
  
  1. 西安西电开关电气有限公司
  2. 西安理工大学
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2014.11.002
  CLC： TM503.5
- Published：2014
- 稿件说明：
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[1]曹伟产,梁淑华.Fe添加对CuW触头材料组织结构及力学性能影响的研究[J].高压电器,2014,50(11):7-11+18.

CAO Weichan, LIANG Shuhua. Effect of Fe Addition on Microstructure and Mechanical Properties of CuW Contact[J]. High voltageapparatus, 2014, 50(11): 7-11+18.
[1]曹伟产,梁淑华.Fe添加对CuW触头材料组织结构及力学性能影响的研究[J].高压电器,2014,50(11):7-11+18. DOI： 10.13296/j.1001-1609.hva.2014.11.002.

CAO Weichan, LIANG Shuhua. Effect of Fe Addition on Microstructure and Mechanical Properties of CuW Contact[J]. High voltageapparatus, 2014, 50(11): 7-11+18. DOI： 10.13296/j.1001-1609.hva.2014.11.002.

摘要

在W粉末中添加Fe元素

研究W骨架的烧结特性及CuW合金的力学性能。通过扫描电镜、透射电镜及X射线衍射仪研究了Fe体积分数对CuW合金组织结构的影响

同时通过合金的断口形貌、拉伸及压缩强度评价了CuW合金的综合性能。结果表明

适当的Fe元素添加可以有效地促进Cu/W界面的冶金结合

CuW合金两相分布均匀。过量Fe的添加

金属间化合物Fe7W6在CuW合金界面层迅速增加

CuW合金的中闭孔明显增多

合金的力学性能明显下降。

Abstract

Fe element was added to W powder to investigate the sintering characteristic of W-skeleton and the mechanical properties of CuW alloy. The effect of Fe content on the microstructure of CuW alloy was analyzed with SEM

TEM and XRD. And the comprehensive performance of CuW alloy was evaluated according to its fracture morphology and strengths of tension and compression. The results show that proper Fe addition can effectively promote the metallurgical bond of Cu/W interface and make the distribution of Cu and W phases in the alloy more uniform. However

excessive addition of Fe causes a rapid increase of the intermetallic compound Fe7W6 at Cu/W interfaces and generates more closed holes in the alloy to significantly weaken the mechanical properties of CuW alloy.

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