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Contact behaviors of a rigid punch and a homogeneous half-space coated with a graded layer
Chen PJ(陈培见); Chen SH(陈少华); Chen, SH; Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China.
Source PublicationACTA MECHANICA
2012-03-01
Volume223Issue:3Pages:563-577
ISSN0001-5970
AbstractA contact model between a homogeneous half-space with a linearly graded layer and a rigid punch is proposed and studied in the present paper. The governing equation, which describes the relation of the displacements and the normal tractions at the contact interface, is obtained by means of Fourier transform and a transfer matrix method. Appropriate collocation methods are used in order to solve the equation numerically. Singular behaviors at the edge of a flat punch are revealed. Compared to the case with a graded surface varying according to an exponential law, stress concentration is relatively weaker in the case with the graded surface varying according to a linear law. Furthermore, stress distributions in cases of a flat or cylindrical punch are given for different varying graded laws, thickness of graded layer, ratios of stiffness, and frictional coefficients. All the results are helpful for the design of strong and wear resistance coating surfaces.
KeywordElastic Properties Coating/substrate System Damage Resistance Flat Punch Coatings Gradients Mechanics Solids Deformation Indentation
Subject Area固体力学
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Indexed BySCI ; EI
Language英语
WOS IDWOS:000302239100009
Funding OrganizationThe work reported here is supported by NSFC through Grants #10972220, #10732050, and #11125211.
DepartmentLNM仿生材料与固体的微尺度力学
Classification二类
Citation statistics
Cited Times:20[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/46674
Collection非线性力学国家重点实验室
Corresponding AuthorChen, SH; Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Chen PJ,Chen SH,Chen, SH,et al. Contact behaviors of a rigid punch and a homogeneous half-space coated with a graded layer[J]. ACTA MECHANICA,2012,223(3):563-577.
APA 陈培见,陈少华,Chen, SH,&Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China..(2012).Contact behaviors of a rigid punch and a homogeneous half-space coated with a graded layer.ACTA MECHANICA,223(3),563-577.
MLA 陈培见,et al."Contact behaviors of a rigid punch and a homogeneous half-space coated with a graded layer".ACTA MECHANICA 223.3(2012):563-577.
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