In this study, the deformation behavior of an austenitic stainless steel is investigated at the microscale by means of in-situ neutron diffraction (ND) measurements in conjunction with finite-element (FE) simulations. Results are presented in terms of (elastic) lattice strains for selected grain (crystallite) families. The FE model is based on a crystallographic (slip system based) representation of the deformation at the microscale. The present study indicates that combined in-situ ND measurement and micromechanical modelling provides an enhanced understanding of the mechanical response at the microscale in engineering steels.

Volume Subject Area:
Materials and Fabrication
Topics:
Finite element analysis, Mechanical behavior, Microscale devices, Modeling, Neutron diffraction, Stainless steel, Deformation, Engineering simulation, Finite element model, Simulation, Steel
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Copyright © 2010
 by ASME
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