An indentation fatigue depth propagation law

Baoxing Xu; Zhufeng Yue; Xi Chen

doi:10.1016/j.scriptamat.2009.01.027

An indentation fatigue depth propagation law

Baoxing Xu, Zhufeng Yue, Xi Chen

力学与土木建筑学院

Columbia University

科研成果: 期刊稿件 › 文章 › 同行评审

23 引用（Scopus）

摘要

Using both experimental and numerical studies, we show that, upon cyclic indentation with a flat cylindrical indenter, the steady-state rate of indentation depth propagation can be well characterized by a simple power-law function of the stress intensity range and the maximum stress intensity, which is qualitatively similar to the steady-state growth of a fatigue crack. The simple law of indentation fatigue has the potential to extract the fatigue properties of materials with small volumes and clarify the fatigue crack mechanisms.

源语言	英语
页（从-至）	854-857
页数	4
期刊	Scripta Materialia
卷	60
期	10
DOI	https://doi.org/10.1016/j.scriptamat.2009.01.027
出版状态	已出版 - 5月 2009

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AB - Using both experimental and numerical studies, we show that, upon cyclic indentation with a flat cylindrical indenter, the steady-state rate of indentation depth propagation can be well characterized by a simple power-law function of the stress intensity range and the maximum stress intensity, which is qualitatively similar to the steady-state growth of a fatigue crack. The simple law of indentation fatigue has the potential to extract the fatigue properties of materials with small volumes and clarify the fatigue crack mechanisms.

KW - Fatigue crack growth

KW - Finite element analyses

KW - Indentation depth propagation

KW - Indentation fatigue experiment

KW - Stress intensity

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An indentation fatigue depth propagation law

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