Nonlinear Acoustic Modeling and Measurements during the Fatigue Process in Metals

The nonlinear spring model combined with dislocation dipole theory was applied to describe the acoustic nonlinearity during the fatigue process in metals. The spring stiffness changes with fatigue degree. For the early stage, spring stiffness approaches infinity, and the heavier nonlinearity mainly...

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Bibliographic Details
Main Authors: Wenhan Lyu, Xianmei Wu, Weijiang Xu
Format: Article
Language:English
Published: MDPI AG 2019-02-01
Series:Materials
Subjects:
Online Access:https://www.mdpi.com/1996-1944/12/4/607