Measurement of Internal Residual Stress in Components by Counter Method

HASHIMOTO, Tadafum; OKANO, Shigetaka

doi:10.2207/jjws.91.99

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Residual Stress 231 Measurement Using Contour Methods1

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2023

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“…The theory for the contour method (13), (14) is based on Bueckner's superposition principle (15) . The residual stress distribution for materials before cutting can be obtained via the linear superposition of the stress distribution in the materials after cutting and that generated when the deformed shape (unevenness) of the cut surface is forced back to its original plane.…”

Section: Residual Stress 231 Measurement Using Contour Methodsmentioning

confidence: 99%

Numerical Prediction of Axial Residual Stress Relaxation caused by Bending-Straightening in Quenching-Induction-Hardened Axle Shafts

OKANO

Makimoto

Hashimoto

et al. 2023

IJAE

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In this study, a computer simulation technique is developed for numerically predicting the residual stress relaxation caused by bending-straightening in quenching-induction-hardened axle shafts. Both the strength and residual stress distributions inside the shaft before bending-straightening are taken into account in the simulation model. The calculated residual stress distribution is compared with that measured using the contour method to discuss the effectiveness of the developed technique. In addition, the generation of plastic strain due to bending-straightening is considered thorough a theoretical analysis based on material mechanics in addition to the numerical results obtained using the developed simulation technique.

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Section: Residual Stress 231 Measurement Using Contour Methodsmentioning

confidence: 99%