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) | |
发表期刊 | ACTA MECHANICA |
2012-03-01 | |
卷号 | 223期号:3页码:563-577 |
ISSN | 0001-5970 |
摘要 | A 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. |
关键词 | Elastic Properties Coating/substrate System Damage Resistance Flat Punch Coatings Gradients Mechanics Solids Deformation Indentation |
学科领域 | 固体力学 |
URL | 查看原文 |
收录类别 | SCI ; EI |
语种 | 英语 |
WOS记录号 | WOS:000302239100009 |
项目资助者 | The work reported here is supported by NSFC through Grants #10972220, #10732050, and #11125211. |
论文分区 | 二类 |
力学所作者排名 | 1 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://dspace.imech.ac.cn/handle/311007/46674 |
专题 | 非线性力学国家重点实验室 |
通讯作者 | Chen SH(陈少华) |
推荐引用方式 GB/T 7714 | Chen PJ,Chen SH. 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 | Chen PJ,&Chen SH.(2012).Contact behaviors of a rigid punch and a homogeneous half-space coated with a graded layer.ACTA MECHANICA,223(3),563-577. |
MLA | Chen PJ,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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