Grain size had some effect on the rate of crack propagation. 晶粒尺寸大小對裂紋擴展速率也有影響。
In this paper, various influencing factors of the crack propagation rate of superalloy are concluded, including external factors and internal factors. 總結了高溫合金的裂紋擴展速率的各種影響因素,包括外部因素和內部因素兩大類。