Indentation size effects and its relevance to ultrafine-grained materials

被引：1

作者：

Chinh, Nguyen Q. ^{[1
]}

Olasz, Daniel ^{[1
,2
]}

Safran, Gyorgy ^{[2
]}

Langdon, Terence G. ^{[3
,4
,5
]}

机构：

[1] Eotvos Lorand Univ, Dept Mat Phys, Pazmany Peter Setany 1-A, H-1117 Budapest, Hungary

[2] Hungarian Acad Sci, Inst Tech Phys & Mat Sci, HUN REN Ctr Energy Res, 1121 Budapest Konkoly Thege Ut 29-33, H-1121 Budapest, Hungary

[3] Univ Southern Calif, Dept Aerosp & Mech Engn, Los Angeles, CA 90089 USA

[4] Univ Southern Calif, Dept Mat Sci, Los Angeles, CA 90089 USA

[5] Univ Southampton, Dept Mech Engn, Mat Res Grp, Southampton SO17 1BJ, Hamps, England

来源：

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2025年 / 923卷

基金：

匈牙利科学研究基金会;

关键词：

Grain boundary sliding; Hall-petch relationship; Indentation size effect; Nanoindentation; Ultrafine-grained structure; DEPTH-SENSING INDENTATION; ELASTIC-MODULUS; FLOW; HARDNESS; TESTS; LOAD;

D O I：

10.1016/j.msea.2024.147733

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The well-known indentation size effect (ISE) is reviewed with special emphasis on the effect of grain size in the polycrystalline matrix. It is demonstrated that there is a close connection between the Hall-Petch relationship and the characteristics of the ISE phenomenon such that the ISE phenomenon may disappear in an ultrafine-grained (UFG) matrix. This finding is significant in any attempts to interpret nanoindentation measurements performed on UFG materials.

引用

页数：4

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