Investigation on Friction and Thermal Expansion Coefficients of Al-Sn Bearing Alloys

Yongzhi ZOU; Zhengbing XU; Yan GAOHong GUJianmin ZENG

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Investigation on Friction and Thermal Expansion Coefficients of Al-Sn Bearing Alloys

机译：Investigation on Friction and Thermal Expansion Coefficients of Al-Sn Bearing Alloys

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The influences of Sn addition of 3-30 on the friction and thermal expansion properties of Al-Sn bearing alloys were investigated in this paper. The experiments were carried out on a specially designed friction testing machine and a dilatometer. It is shown by the experiments that the friction coefficient and hardness of the alloys decrease with the increasing of Sn content. The friction coefficient decreases dramatically when Sn content is higher than 6. On the other hand, the friction coefficient is also dependent on the load. The friction coefficient increases as the load rises. The linear CTE is also a function of temperature and Sn contents. CTE increases when the temperature rises but has no obvious differences for the alloy system when the temperature is below 80℃. As the temperature rises, the differences become large among the alloy system. The higher the Sn content, the lower the CTE.

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来源
《Key engineering materials》 |2007年第4期|3063-3066|共4页
作者
Yongzhi ZOU; Zhengbing XU; Yan GAOHong GUJianmin ZENG;
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作者单位

Key Lab. of Nonferrous Materials and New Processing Technology, Guangxi University, Nanning 530004, China;

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原文格式 PDF
正文语种英语
中图分类工程基础科学;
关键词
Al-Sn alloys; friction coefficient; coefficient of thermal expansion (CTE);

Investigation on Friction and Thermal Expansion Coefficients of Al-Sn Bearing Alloys

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