Knowledge Management System of Institue of Mechanics, CAS
Effects of 'sinking in' and 'piling up' on estimating the contact area under load in indentation | |
Cheng YT; Zheng ZM(郑哲敏); Cheng, YT (reprint author), GM Corp, Ctr Res & Dev, Phys & Phys Chem Dept, Warren, MI 48090 USA. | |
发表期刊 | Philosophical Magazine Letters |
1998 | |
卷号 | 78期号:2页码:115-120 |
ISSN | 0950-0839 |
摘要 | The phenomena of the 'piling up' and 'sinking-in' of surface profiles in conical indentation in elastic-plastic solids with work hardening are studied using dimensional and finite-element analysis. The degree of sinking in and piling up is shown to depend on the ratio of the initial yield strength Y to Young's modulus E and on the work-hardening exponent n. The widely used procedure proposed by Oliver and Pharr for estimating contact depth is then evaluated systematically. By comparing the contact depth obtained directly from finite-element calculations with that obtained from the initial unloading slope using the Oliver-Pharr procedure, the applicability of the procedure is discussed. |
学科领域 | 力学 |
DOI | 10.1080/095008398178093 |
收录类别 | SCI |
语种 | 英语 |
WOS记录号 | WOS:000075028600006 |
关键词[WOS] | HARDNESS |
WOS研究方向 | Physics |
WOS类目 | Physics, Condensed Matter |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://dspace.imech.ac.cn/handle/311007/15907 |
专题 | 力学所知识产出(1956-2008) |
通讯作者 | Cheng, YT (reprint author), GM Corp, Ctr Res & Dev, Phys & Phys Chem Dept, Warren, MI 48090 USA. |
推荐引用方式 GB/T 7714 | Cheng YT,Zheng ZM,Cheng, YT . Effects of 'sinking in' and 'piling up' on estimating the contact area under load in indentation[J]. Philosophical Magazine Letters,1998,78,2,:115-120. |
APA | Cheng YT,郑哲敏,&Cheng, YT .(1998).Effects of 'sinking in' and 'piling up' on estimating the contact area under load in indentation.Philosophical Magazine Letters,78(2),115-120. |
MLA | Cheng YT,et al."Effects of 'sinking in' and 'piling up' on estimating the contact area under load in indentation".Philosophical Magazine Letters 78.2(1998):115-120. |
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