Effects of Stress Level and Stress State on Creep Ductility: Evaluation of Different Models

Wen Jian-Feng,Tu Shan-Tung,Xuan Fu-Zhen,Zhang Xue-Wei,Gao Xin-Lin

Fig. 2. Micrograph of creep cavities at grain boundaries: (a) steady-state growth of cavities in Inconel 718 alloy at 650?°C[38]; (b) interlinkage of cavities in Waspaloy alloy at 700?°C[39].