Strain gradient effects on FCC single crystal

Parchuru, Venkatadri and Chinthapenta, Viswanath (2018) Strain gradient effects on FCC single crystal. Masters thesis, Indian Institute of Technology Hyderabad.

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Abstract

In the last two decades, experimental studies and numerical simulations expressed the size e�ect on the plastic distortion of ductile materials at small scales(Micron and Sub-Micron). Several studies have been performed on size effects on the rate of void growth using plasticity models with strain gradient effects on models with plane strain assumption. In the present work, a finite element model using crystal plasticity was proposed to understand the size effects on void evolution in a single crystal by incorporating the Borg [1] crystal plasticity theory with strain gradient effects in the Huang [2] user material subroutine developed for crystal plasticity formulations.

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