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@article{Guo:2021:10.1016/j.msea.2021.141227,
author = {Guo, Y and Zong, C and Britton, TB},
doi = {10.1016/j.msea.2021.141227},
journal = {Materials Science and Engineering: A},
pages = {1--13},
title = {Development of local plasticity around voids during tensile deformation},
url = {http://dx.doi.org/10.1016/j.msea.2021.141227},
volume = {814},
year = {2021}
}

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TY  - JOUR
AB  - Voids can limit the life of engineering components. This motivates us to understand local plasticity around voids in a nickel base superalloy combining experiments and simulations. Single crystal samples were deformed in tension with in-situ high angular resolution electron back scatter diffraction to probe the heterogeneous local stress field under load; the reference stress is informed by crystal plasticity finite element simulations. This information is used to understand the activation of plastic deformation around the void. Our investigation indicates that while the resolved shear stress would indicate slip activity on multiple slip systems, slip is reduced to specific systems due to image forces and forest hardening. This study rationalizes the observed development of plastic deformation around the void, aiding in our understanding of component failure and engineering design.
AU  - Guo,Y
AU  - Zong,C
AU  - Britton,TB
DO  - 10.1016/j.msea.2021.141227
EP  - 13
PY  - 2021///
SN  - 0921-5093
SP  - 1
TI  - Development of local plasticity around voids during tensile deformation
T2  - Materials Science and Engineering: A
UR  - http://dx.doi.org/10.1016/j.msea.2021.141227
UR  - https://www.sciencedirect.com/science/article/pii/S0921509321004962?via%3Dihub
UR  - http://hdl.handle.net/10044/1/87986
VL  - 814
ER  -

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Dr T Ben Britton

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