Description of the Nanoindentation Unloading Behavior of Brittle Ceramics with A Modified Surface

Zonghuai Li; Jianghong Gong; Zhijian PengHezhuo Miao

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Description of the Nanoindentation Unloading Behavior of Brittle Ceramics with A Modified Surface

机译：Description of the Nanoindentation Unloading Behavior of Brittle Ceramics with A Modified Surface

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摘要

The nanoindentation unloading behavior of some brittle ceramics with modified surfaces was analyzed. It was found that the unloading data may be described well with a quadratic polynomial. The physical meaning of the quadratic polynomial in describing the nanoindentation unloading behavior was then discussed by considering the effect of residual contact stress on the force-displacement relationship. It was suggested that the quadratic polynomial may be considered as a modified form of the basic force-displacement relationship for the contact of an isotropic elastic half-space by a rigid conical punch.

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来源
《Key engineering materials》 |2007年第3期|2422-2425|共4页
作者
Zonghuai Li; Jianghong Gong; Zhijian PengHezhuo Miao;
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作者单位

State Key Laboratory of New Ceramics and Fine Processing, Department of Materials Science and Engineering, Tsinghua University, Beijing 100084, China;

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原文格式 PDF
正文语种英语
中图分类工程基础科学;
关键词
nanoindentation; ion implantation; residual stress;

Description of the Nanoindentation Unloading Behavior of Brittle Ceramics with A Modified Surface

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