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首页> 外文会议>American Society of Mechanical Engineers(ASME)/Society of Tribologists and Lubrication Engineers(STLE) International Joint Tribology Conference 2004(IJTC 2004) vol.1 pt.A; 20041024-27; Long Beach,CA(US) >INFLUENCE OF THERMAL CONTACT RESISTANCE ON FRICTIONALLY EXCITED THERMOELASTIC INSTABILITY (TEI)
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INFLUENCE OF THERMAL CONTACT RESISTANCE ON FRICTIONALLY EXCITED THERMOELASTIC INSTABILITY (TEI)

机译：热接触电阻对摩擦激发热弹性不稳定性（TEI）的影响

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摘要

Thermoelastic contact problems can posess non-unique and/or unstable steady-state solutions if there is frictional heating or if there is a pressure-dependent thermal contact resistance at the interface. These two effects have been extensively studied in isolation, but their possible interaction has not been investigated until recently. We shall discuss some idealized geometries in which the two effects are seen to form limiting cases of a more general stability and existence behavior. In most cases, frictional heating has a destabilizing effect relative to the static contact problem, but if the thermal contact resistance is very sensitive to pressure, cases of stabilization can be obtained. Also, the critical sliding speed depends on the contact pressure in contrast to results obtained in the absence of thermal contact resistance.
机译：如果存在摩擦加热或在界面处存在与压力有关的热接触电阻，则热弹性接触问题可能会带来非唯一和/或不稳定的稳态解决方案。单独对这两种效应进行了广泛的研究，但直到最近才研究了它们可能的相互作用。我们将讨论一些理想化的几何形状，其中两种效应被视为形成了更一般的稳定性和存在行为的极限情况。在大多数情况下，摩擦加热具有相对于静态接触问题的稳定作用，但是如果热接触电阻对压力非常敏感，则可以获得稳定的情况。而且，与没有热接触电阻的情况下得出的结果相反，临界滑动速度取决于接触压力。

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