盐冰与铝的摩擦

IF 1.5 Q3 ENGINEERING, MECHANICAL Advances in Tribology Pub Date : 2016-04-18 DOI:10.1155/2016/1483951
Christopher Wallen-Russell, B. Lishman
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引用次数: 5

摘要

冰与其他物质的摩擦控制着北极海上结构和船只的负荷。然而,冰的摩擦是复杂的,因为冰在自然界中存在于其熔点附近。摩擦加热可以引起局部软化,可能融化和润滑,从而影响摩擦并产生反馈回路。因此,冰的摩擦力可能取决于滑动速度和滑动历史,以及整体温度。滑动材料的粗糙度也会影响摩擦。在这里,我们介绍了一系列实验室实验的结果,在铝上滑动盐冰,并控制粗糙度和温度。我们发现,盐冰与铝的摩擦通常为μice-al = 0.1,但该值随滑动条件而变化。我们提出了物理模型来解释滑动摩擦的变化。
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The Friction of Saline Ice on Aluminium
The friction of ice on other materials controls loading on offshore structures and vessels in the Arctic. However, ice friction is complicated, because ice in nature exists near to its melting point. Frictional heating can cause local softening, and perhaps melting and lubrication, thus affecting the friction and creating a feedback loop. Ice friction is therefore likely to depend on sliding speed and sliding history, as well as bulk temperature. The roughness of the sliding materials may also affect the friction. Here we present results of a series of laboratory experiments, sliding saline ice on aluminium, and controlling for roughness and temperature. We find that the friction of saline ice on aluminium, μice-al = 0.1 typically, but that this value varies with sliding conditions. We propose physical models which explain the variations in sliding friction.
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来源期刊
Advances in Tribology
Advances in Tribology ENGINEERING, MECHANICAL-
CiteScore
5.00
自引率
0.00%
发文量
1
审稿时长
13 weeks
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