弯曲延伸裂纹
curve extension crack
curved extension crack
断裂延伸
breaking elongation
elongation at rupture
Ⅰ-Ⅱ复合型裂纹
mixed mode crack
mixed mode fracture
I-II mixed mode crack
I-II mixed-mode fracture
Ⅰ-Ⅱ混合型裂纹
I Ⅱ mixed mode crack
mixed mode I-II crack
mixed-mode I-II crack
mixed-mode Ⅱ-Ⅰcrack
Ⅰ-Ⅲ复合型裂纹
compound type cracks
mixed mode