Determination of mechanical properties of thermally grown oxide on Fecralloy by nano-indentation

被引：9

作者：

Zhao, Xiaofeng ^{[1
]}

Xiao, Ping ^{[1
]}

机构：

[1] Univ Manchester, Sch Mat, Ctr Mat Sci, Manchester M1 7HS, Lancs, England

来源：

THIN SOLID FILMS | 2007年 / 515卷 / 23期

关键词：

TGO; young's modulus; hardness; indenter size effect (ISE);

D O I：

10.1016/j.tsf.2007.05.014

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Nano-indentation was used to measure the mechanical properties of the thermally grown oxide (TGO) on a Fecralloy substrate. Due to the influence both of the substrate and the indenter size effect (ISE), the measured hardness and Young's modulus of the TGO system decreased with increasing indentation depth. Models were proposed to determine the mechanical properties of the TGO with consideration of both the substrate effect and the ISE. In addition, the ratio of hardness to Young's modulus (H/E) can be related to the ratio of irreversible work to total work (W-ir W-t) during the indentation process. (C) 2007 Elsevier B.V. All rights reserved.

引用

页码：8393 / 8401

页数：9

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