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Measurement of residual stresses and toughness in Ti-6Al-4V material produced by Laser Beam Manufacturing

Abstract : This study deals with the measurement of residual stress by the hole drilling method in Ti-6Al-4V samples obtained by Laser Beam Manufacturing after stress relieving. Indeed, it was of high interest to check the efficiency of such a thermal post-treatment. The influence of the orientation of both the sample and the notch is evaluated from a toughness point of view, and the obtained values are compared to that of similar parts submitted to Hot Isostatic Pressing after stress relief treatment. A more isotropic behaviour were detected on the HIPed samples (with respect to that of the stress relieved ones) with a higher average value. This development is discussed from both residual stress and microstructural points of view.
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https://hal.archives-ouvertes.fr/hal-02020965
Contributor : Pierre Naegelen <>
Submitted on : Friday, February 15, 2019 - 3:24:31 PM
Last modification on : Wednesday, June 24, 2020 - 4:18:55 PM

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  • HAL Id : hal-02020965, version 1

Citation

O. Quénard, Olivier Dorival, P. Guy, K. Bréthomé. Measurement of residual stresses and toughness in Ti-6Al-4V material produced by Laser Beam Manufacturing. 3rd International Conference on Mechanical, Manufacturing, Modeling and Mechatronics (IC4M 2018), 2018, Toulouse, France. ⟨hal-02020965⟩

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