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Persistent URL http://purl.org/net/epubs/work/65795
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Record Id 65795
Title The effect of prior deformation on subsequent microplasticity and damage evolution in an austenitic stainless steel at elevated temperature
Abstract The micromechanical deformation of an austenitic stainless steel under uniaxial tension at elevated temperature (550 °C) following room-temperature compression has been examined in this work. The study combines micromechanical finite-element modelling and in situ neutron diffraction measurements. Overall, good agreement has been achieved between the measured and simulated stress vs. lattice strain response, when prestrain is accounted for. The results indicate that the introduction of prestrain can significantly influence subsequent microscale deformation and damage development associated with microplasticity and that an appropriate representation of strain history can improve the predictive accuracy at the microscale for a polycrystalline material.
Organisation ISIS , ISIS-ENGIN-X , STFC
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Language English (EN)
Type Details URI(s) Local file(s) Year
Journal Article Acta Mater 61, no. 10 (2013): 3575-3584. doi:10.1016/j.actamat.2013.02.038 2013