Friction and Wear Properties of As-cast and Aged Cu-15Ni-8Sn Alloy

LIU Yu-xuan; WU Wei; CHEN Qiang; LUO Zong-qiang; ZHANG Wei-wen

doi:10.11973/jxgccl201507015

Materials and Mechanical Engineering > 2015 > 39(7): 73-76. > DOI: 10.11973/jxgccl201507015

LIU Yu-xuan, WU Wei, CHEN Qiang, LUO Zong-qiang, ZHANG Wei-wen. Friction and Wear Properties of As-cast and Aged Cu-15Ni-8Sn Alloy[J]. Materials and Mechanical Engineering, 2015, 39(7): 73-76. DOI: 10.11973/jxgccl201507015

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Friction and Wear Properties of As-cast and Aged Cu-15Ni-8Sn Alloy

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Received Date: April 13, 2015

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Homogenization annealing treatment and solid solution heat treatment were carried out for as-cast Cu-15Ni-8Sn alloy,and then aging heat treatment at 400 ℃ for 1-10 h was adopted.The friction and wear properties of the alloy in as-cast state and aging state were studied under oil-lubricated conditions by means of ball-on-disc wear tester.Results indicate that aging time had little effects on friction coefficient of Cu-15Ni-8Sn alloy,the alloy obtained a relative low wear rate when the aging time was 2-8 h and the wear rate slightly increased when the aging time was over 8 h.The friction coefficient of the aged alloy was 10% less than that of as-cast alloy,the minimum wear rate of aged alloy was about 43% of that of as-cast alloy.The cause of the friction and wear properties of aged alloy exceeding that of as-cast alloy was the aged alloy owing the higher hardness.
- Cu-15Ni-8Sn alloy,
- friction and wear property,
- as-cast,
- aging heat treatment

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