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Thermo-contact mechanics of a rigid cylindrical punch sliding on a finite graded layer
Chen PJ(陈培见); Chen SH(陈少华); Peng ZL(彭志龙); chenshaohua72@hotmail.com
Source PublicationACTA MECHANICA
2012-12
Volume223Issue:12Pages:2647-2665
ISSN0001-5970
Abstract

A steady-state thermo-contact model of a rigid insulated cylinder of radius R sliding on a finite graded elastic layer is studied, whose Young’s modulus, thermal conductivity coefficient and thermal expansion coefficient vary exponentially in the thickness direction. The transfer matrix method and Fourier integral transform technique are used to obtain a Cauchy-type singular integral equation for the contact stresses. Numerical calculation yields the interface traction and temperature distributions below the rigid punch. It shows that crack damage in the finite graded layer due to the frictional sliding can be prevented by several alternative ways, such as decreasing the shear modulus ratio of the surface to the bottom, decreasing the friction coefficient, increasing the thickness of the finite graded layer, increasing the thermal conductivity coefficient ratio of the surface to the bottom or increasing the sliding velocity. The finding should be very useful for the design of novel graded materials with potential applications in aerospace, tribology, coatings, etc.

Subject Area固体力学
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Indexed BySCI ; EI
Language英语
WOS IDWOS:000310742400011
DepartmentLNM仿生材料与固体的微尺度力学
Classification二类
Citation statistics
Cited Times:17[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/45847
Collection非线性力学国家重点实验室
Corresponding Authorchenshaohua72@hotmail.com
Recommended Citation
GB/T 7714
Chen PJ,Chen SH,Peng ZL,et al. Thermo-contact mechanics of a rigid cylindrical punch sliding on a finite graded layer[J]. ACTA MECHANICA,2012,223(12):2647-2665.
APA Chen PJ,Chen SH,Peng ZL,&chenshaohua72@hotmail.com.(2012).Thermo-contact mechanics of a rigid cylindrical punch sliding on a finite graded layer.ACTA MECHANICA,223(12),2647-2665.
MLA Chen PJ,et al."Thermo-contact mechanics of a rigid cylindrical punch sliding on a finite graded layer".ACTA MECHANICA 223.12(2012):2647-2665.
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