IMECH-IR  > 力学所知识产出(1956-2008)
What is indentation hardness?
Cheng YT; Zheng ZM(郑哲敏); Cheng, YT (reprint author), Gen Motors Res & Dev Ctr, Mat & Proc Lab, Warren, MI 48090 USA.
2000
发表期刊Surface & Coatings Technology
卷号133页码:417-424
ISSN0257-8972
摘要Using dimensional analysis and finite element calculations, we derive simple scaling relationships for loading and unloading curve, contact depth, and hardness. The relationship between hardness and the basic mechanical properties of solids, such as Young's modulus, initial yield strength, and work-hardening exponent, is then obtained. The conditions for 'piling-up' and 'sinking-in' of surface profiles during indentation are determined. A method for estimating contact depth from initial unloading slope is examined. The work done during indentation is also studied. A relationship between the ratio of hardness to elastic modulus and the ratio of irreversible work to total work is discovered. This relationship offers a new method for obtaining hardness and elastic modulus. Finally, a scaling theory for indentation in power-law creep solids using self-similar indenters is developed. A connection between creep and 'indentation size effect' is established.
学科领域力学
DOI10.1016/S0257-8972(00)00896-3
收录类别SCI
语种英语
WOS记录号WOS:000165887500064
关键词[WOS]ELASTIC-PLASTIC SOLIDS ; LOADING CURVES ; CONICAL INDENTATION ; NANOINDENTATION ; INDENTER ; SURFACE ; MODULUS ; CONTACT ; WORK ; LAW
WOS研究方向Materials Science ; Physics
WOS类目Materials Science, Coatings & Films ; Physics, Applied
引用统计
被引频次:115[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/17203
专题力学所知识产出(1956-2008)
通讯作者Cheng, YT (reprint author), Gen Motors Res & Dev Ctr, Mat & Proc Lab, Warren, MI 48090 USA.
推荐引用方式
GB/T 7714
Cheng YT,Zheng ZM,Cheng, YT . What is indentation hardness?[J]. Surface & Coatings Technology,2000,133:417-424.
APA Cheng YT,郑哲敏,&Cheng, YT .(2000).What is indentation hardness?.Surface & Coatings Technology,133,417-424.
MLA Cheng YT,et al."What is indentation hardness?".Surface & Coatings Technology 133(2000):417-424.
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