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On Mesoscale Strain Fluctuations in Tensile Tests on Additively Manufactured 17-4PH Stainless Steel

Abstract : Additively manufactured materials usually exhibit mesoscale heterogeneities. Mesoscale fluctuations of strain fields in notched samples made of 17-4PH Stainless steel and loaded in tension are investigated. Regularized digital image correlation enables for the analysis of strain fluctuations at different length scales. Five tests on specimen fabricated with different printing parameters are studied. It is shown that the strain fluctuations have no characteristic length scale and are essentially independent of the probed processing parameters.
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https://hal.archives-ouvertes.fr/hal-03494994
Contributor : François Hild Connect in order to contact the contributor
Submitted on : Monday, December 20, 2021 - 10:11:35 AM
Last modification on : Friday, January 28, 2022 - 3:26:37 AM

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Mohamed Ali Bouaziz, Joseph Djouda, François Hild. On Mesoscale Strain Fluctuations in Tensile Tests on Additively Manufactured 17-4PH Stainless Steel. Journal of Strain Analysis for Engineering Design, SAGE Publications, inPress, ⟨10.1177/03093247211060217⟩. ⟨hal-03494994⟩

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