应力强度因子?Cracks and Fracture - K. Bertram Broberg stress intensity factor可以看做外加應力在裂縫尖端被放大的倍率。這本書談到Irwin (1957) introduced new and expedient concepts such as the stress intensity factor (originally the crack driving force) and ................。當然當外加應力是壓縮應力時,自然K質就變成是負值,只是談論彈性(脆性)材料的破裂時,負方向比較沒有意義。查看更多