Influence of indentation depth on the determination of the apparent Young's modulus of bi-layer material: Experiments and numerical simulation

被引：36

作者：

Cleymand, F ^{[1
]}

Ferry, O ^{[1
]}

Kouitat, R ^{[1
]}

Billard, A ^{[1
]}

von Stebut, J ^{[1
]}

机构：

[1] Ecole Mines, INPL, CNRS, UMR 7570,Lab Sci & Genie Surfaces, F-54042 Nancy, France

来源：

SURFACE & COATINGS TECHNOLOGY | 2005年 / 200卷 / 1-4期

关键词：

nanoindentation experiments; simulation thin films;

D O I：

10.1016/j.surfcoat.2005.02.086

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Depth sensing indentation experiments have been conducted on stainless steel thin films deposited by reactive magnetron sputtering on AU4G aluminium-alloy substrates to highlight that elastic response of bi-layer materials can be specific of the coating alone only for very low indentation depths. It is shown experimentally that Buckle's rule is at least one order of magnitude too high when applied by default to determine coating-specific elastic response. These results have been confirmed by boundary element numerical simulation underlining that elastic response of a thin film deposited on substrate deviates from the coating's response above relative indentation depth around 1-2%. (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：890 / 893

页数：4

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