Dynamic contact interactions of fractal surfaces
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- 作者：Tamonash Jana ; Anirban Mitra ; Prasanta Sahoo ; psjume@gmail.com" class="auth_mail" title="E-mail the corresponding author ; psahoo@mech.jdvu.ac.in" class="auth_mail" title="E-mail the corresponding author
- 关键词：Fractal surface ; Contact ; Nonlinear vibration ; Tangent modulus ; Yield strength
- 刊名：Applied Surface Science
- 出版年：2017
- 出版时间：15 January 2017
- 年：2017
- 卷：392
- 期：Complete
- 页码：872-882
- 全文大小：3195 K
文摘
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Contact dynamics of a deformable fractal rough surface with a rigid flat is studied.
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Nonlinearity exponent is obtained from force-displacement relationship.
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Effect of variation of surface roughness parameters and material properties is analyzed.
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Frequency response curve changes from softening to hardening based on material properties.