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Relationship between contact stiffness, contact depth, and mechanical properties for indentation in linear viscoelastic solids using axisymmetric indenters

open access: yesStructural Control and Health Monitoring, 2006
We derive a relationship between the initial unloading slope, contact depth, and the instantaneous relaxation modulus for indentation in linear viscoelastic solids by a rigid indenter with an arbitrary axisymmetric smooth profile.
Yang-Tse Cheng, Che-Min Cheng
exaly   +2 more sources

An indentation fatigue depth propagation law

Scripta Materialia, 2009
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 ...
Baoxing Xu, Xi Chen
exaly   +2 more sources

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