On Mesoscale Strain Fluctuations in Tensile Tests on Additively Manufactured 17-4PH Stainless Steel - Archive ouverte HAL
Article Dans Une Revue Journal of Strain Analysis for Engineering Design Année : 2022

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

Mohamed Ali Bouaziz
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François Hild

Résumé

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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Dates et versions

hal-03494994 , version 1 (20-12-2021)

Identifiants

Citer

Mohamed Ali Bouaziz, Joseph Marae Djouda, François Hild. On Mesoscale Strain Fluctuations in Tensile Tests on Additively Manufactured 17-4PH Stainless Steel. Journal of Strain Analysis for Engineering Design, 2022, 57 (8), pp.688-701. ⟨10.1177/03093247211060217⟩. ⟨hal-03494994⟩
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