Temperature dependence of friction under cryogenic conditions in vacuum

被引：37

作者：

Burton, J. C. ^{[1
]}

Taborek, P. ^{[1
]}

Rutledge, J. E. ^{[1
]}

机构：

[1] Univ Calif Irvine, Dept Phys & Astron, Irvine, CA 92697 USA

来源：

TRIBOLOGY LETTERS | 2006年 / 23卷 / 02期

关键词：

cryotribology; friction test methods; static friction; PTFE; unlubricated wear;

D O I：

10.1007/s11249-006-9115-7

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

We have constructed a sliding block cryotribometer designed to measure friction at cryogenic temperatures and UHV conditions. An optical cryostat and high speed video was used to monitor the motion of the block. The temperature range of the measurements was 4-460 K. Both the static and dynamic friction coefficients were determined for a steel ball on stainless steel, sapphire, and PTFE (Teflon) plates, and for a sapphire ball on a sapphire plate. For all material combinations, no systematic variation of friction with temperature was observed in the temperature range 4-200 K.

引用

页码：131 / 137

页数：7

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