Elasticity mapping of precipitates in polycrystalline materials using atomic force acoustic microscopy

被引：22

作者：

Kumar, Anish ^{[1
]}

Rabe, Ute ^{[1
]}

Hirsekorn, Sigrun ^{[1
]}

Arnold, Walter ^{[1
]}

机构：

[1] Fraunhofer Inst Nondestruct Testing IZFP, D-66123 Saarbrucken, Germany

来源：

APPLIED PHYSICS LETTERS | 2008年 / 92卷 / 18期

关键词：

D O I：

10.1063/1.2919730

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We determined the isotropic indentation modulus of precipitates in cubic materials by using the indentation modulus of the matrix as a reference. This eliminates major practical difficulty of repeatedly switching between a sample and a reference for measurement of indentation modulus using atomic force acoustic microscopy. The methodology has been demonstrated for mapping the elastic stiffness of similar to 500 nm sized M23C6 precipitates in alloy 625 and ferritic steel with a spatial resolution of similar to 50 nm. (C) 2008 American Institute of Physics.

引用

页数：3

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