[P] 第4分野　力学特性　P19～P23

[P41] Phase-Field Crystal Coupled Model for Cyclic Single-Crystal Copper

○Jingkai Bo¹, Xiao-Wen Lei¹, Toshiyuki Fujii¹ (1. Insitute of Science Tokyo)

キーワード：

Phase field fracture、Fatigue crack growth、EBSD informed anisotropy

We build a unilateral Ambrosio-Tortorelli (AT2) fracture model coupled to a PFC defect field for [111] cyclic single-crystal Cu with a (11-2) notch. Conjugate-gradient mechanics and FFT updates capture notch-driven crack initiation and yield cycle-by-cycle crack-growth and fatigue metrics.