Crystal plasticity parameter identification by integrated DIC on microscopic topographies

J.P.M. Hoefnagels, M. Bertin, C. Du, F. Hild

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Samenvatting

The present study unravels details of the micromechanical behavior of a micro-specimen made of IF-steel. A triangular prism is machined via focused ion beam (FIB) and contains two ferritic grains. Four experimental tools are integrated to identify the material’s crystal parameters: (i) an optical confocal microscope captures height profile images, (ii) an in-situ tensile stage prescribes the loading history to the macro-specimen, (iii) a global Digital Image Correlation (DIC) algorithm measures the 3D surface displacement fields, and iv) an extension of Integrated-DIC for 3D displacement fields is implemented to assess the micromechanical behavior. It is demonstrated that with this methodology the identification of the boundary conditions and crystal plasticity parameters is successfully achieved.

Originele taal-2Engels
TitelResidual Stress, Thermomechanics and Infrared Imaging, Hybrid Techniques and Inverse Problems
SubtitelProceedings of the 2017 Annual Conference on Experimental and Applied Mechanics
RedacteurenA. Baldi, J.M. Considine, S. Quinn, X. Balandraud
Plaats van productieBerlin
UitgeverijSpringer
Hoofdstuk8
Pagina's47-49
Aantal pagina's3
Volume8
ISBN van elektronische versie978-3-319-62899-8
ISBN van geprinte versie9783319628981
DOI's
StatusGepubliceerd - 2018
Evenement2017 SEM Annual Conference and Exposition on Experimental and Applied Mechanics - Indianapolis, Verenigde Staten van Amerika
Duur: 12 jun. 201715 jun. 2017

Publicatie series

NaamConference Proceedings of the Society for Experimental Mechanics Series
ISSN van geprinte versie2191-5644
ISSN van elektronische versie2191-5652

Congres

Congres2017 SEM Annual Conference and Exposition on Experimental and Applied Mechanics
Land/RegioVerenigde Staten van Amerika
StadIndianapolis
Periode12/06/1715/06/17

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