Tungsten nanoparticle-strengthened copper composite prepared by a sol–gel method and in-situ reaction

Tian-xing Lu; Cun-guang Chen; Zhi-meng Guo; Pei Li; Ming-xing Guo

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Tungsten nanoparticle-strengthened copper composite prepared by a sol–gel method and in-situ reaction

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Tungsten nanoparticle-strengthened Cu composites were prepared from nanopowder synthesized by a sol–gel method and in-situ hydrogen reduction.The tungsten particles in the Cu matrix were well-dispersed with an average size of approximately 100–200 nm.The addition of nanosized W particles remarkably improves the mechanical properties,while the electrical conductivity did not substantially decrease.The Cu–W composite with 6 wt%W has the most comprehensive properties with an ultimate strength of 310 MPa,yield strength of 238 MPa,hardness of HV 108 and electrical conductivity of 90%IACS.The enhanced mechanical property and only a small loss of electrical conductivity demonstrate the potential of this new strategy to prepare W nanoparticle-strengthened Cu composites.

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《矿物冶金与材料学报：英文版》 |2019年第11期|1477-1483|共7页
作者
Tian-xing Lu; Cun-guang Chen; Zhi-meng Guo; Pei Li; Ming-xing Guo;
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作者单位

Institute for Advanced Materials and Technology;

University of Science and Technology Beijing;

Beijing 100083;

China;

State Key Laboratory for Advanced Metals and Materials;

University of Science and Technology Beijing;

Beijing 100083;

China;

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原文格式 PDF
正文语种 chi
中图分类工程材料学;
关键词
copper; composites; second; phase; strengthening; tungsten; sol–gel; method;

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Tungsten nanoparticle-strengthened copper composite prepared by a sol–gel method and in-situ reaction

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