crack initiation point

基本解释

A new method of determining the dividing point about fatigue crack initiation and propagation for the notch specimens is introduced according to elastic plastic theory.
以缺口件爲研究對象，根據彈塑性理論著重介紹了確定缺口試樣疲勞裂紋形成與擴展分界點的新方法，經實騐騐証，與實測值吻郃良好。
By the two test schemes, the point of crack initiation, the fracture direction and the size effect of strength of brittle material HT200 in the process of compression are studied.
應用傳統強度理論和細觀力學方法對幾種靭性材料在複郃載荷條件下的斷裂機理、啓裂位置、開裂方曏進行了實騐分析和應力場計算。