Xueling Fan1,*, Pin Lu1, Xiaochao Jin1
The International Conference on Computational & Experimental Engineering and Sciences, Vol.25, No.2, pp. 1-1, 2023, DOI:10.32604/icces.2023.09919
Abstract Ni-based single crystal superalloys have been favored in the high-temperature service zones of aeroengine
and gas turbine due to its excellent mechanical properties at high temperature. It is very significant to
construct a constitutive model that can accurately capture the mechanical response of Ni-based single
crystals for simulation analysis. In this work, a forest dislocation density-based single crystal plasticity
constitutive model was developed to capture the mechanical behavior of Ni-based single crystals, including
the temperature dependent anomalous yield and tension/compression asymmetry. Firstly, thermally
activated cross-slip mechanism was introduced into the hardening model to describe the… More >