Influence of misfit stress relaxation by power-law creep and plasticity on kinetics of coarsening of precipitates
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In: Scripta materialia, Vol. 2019, No. Vol.168, 15.07.2019, p. 81-85.
Research output: Contribution to journal › Article › Research › peer-review
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TY - JOUR
T1 - Influence of misfit stress relaxation by power-law creep and plasticity on kinetics of coarsening of precipitates
AU - Svoboda, Jiri
AU - Yao, Shan
AU - Kozeschnik, Ernst
AU - Fischer, Franz-Dieter
N1 - Publisher Copyright: © 2019 Acta Materialia Inc.
PY - 2019/7/15
Y1 - 2019/7/15
N2 - Influence of coarsening of precipitates on creep in metals and alloys has been studied experimentally and modelled in the past. However, a proper model to understand the role of plasticity and creep in the matrix to the kinetics of coarsening of misfitting precipitates is still missing. Such a model is developed based on a thermodynamic approach utilizing earlier solutions of mechanical interactions between the misfitting precipitates and the matrix. Numerical simulations demonstrate a significant retardation of the coarsening process controlled by power-law creep in the matrix within a wide range of its activity.
AB - Influence of coarsening of precipitates on creep in metals and alloys has been studied experimentally and modelled in the past. However, a proper model to understand the role of plasticity and creep in the matrix to the kinetics of coarsening of misfitting precipitates is still missing. Such a model is developed based on a thermodynamic approach utilizing earlier solutions of mechanical interactions between the misfitting precipitates and the matrix. Numerical simulations demonstrate a significant retardation of the coarsening process controlled by power-law creep in the matrix within a wide range of its activity.
UR - http://www.scopus.com/inward/record.url?scp=85065091576&partnerID=8YFLogxK
U2 - 10.1016/j.scriptamat.2019.04.016
DO - 10.1016/j.scriptamat.2019.04.016
M3 - Article
VL - 2019
SP - 81
EP - 85
JO - Scripta materialia
JF - Scripta materialia
SN - 1359-6462
IS - Vol.168
ER -