Destructive Methods for Measuring Residual Stresses: Techniques and Opportunities

Schajer, G. S.

doi:10.1007/978-1-4419-9792-0_39

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2022

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“…In addition, there are many techniques used to measure residual stresses, which are broadly categorized into destructive, semi-destructive and non-destructive techniques, are studied by many others [5,6]. The microstructure and X ray tests carried out on tubular specimen revealed the residual stresses on the inner surface due to machining surface features [7,8].…”

Section: Introductionmentioning

confidence: 99%

Residual Stress Generation at Crack Tip under Thermomechanical Effects of Aluminum Alloy 2024-T3: Numerical Modelisation

Kebir¹,

Benguediab²,

Bouamama³

et al. 2020

ACSM

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The residual stresses which result from the manufacture are present in the mechanical part with absence of any external force, but also they can be generated by various procedures. These stresses are the result of incompatibilities of deformation related to the heterogeneity of the plastic strain. Therefore, as the crack propagated in the residual stress field, the distribution of residual stresses is changed. The purpose of this work is to generate the thermomechanical residual stresses on along direction of crack propagation using a numerical simulation by Ansys software. This numerical approach allows us to evaluate the thermomechanical relaxation of the compressive residual stresses induced by plastic strain at crack tip.

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Section: Introductionmentioning

confidence: 99%