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- the position of maximum of stress triaxiality in blunted zone and maximum of shear stress in sharpened zone could be crack initiation position; 根据启裂点上的最大拉应力方向或最大剪应力方向可预测裂纹的开裂方向;
- crack initiation position 启裂位置
- Material Quality and Crack Initiation. 原料质量、及初始裂纹的寿命。
- The fractography of the fatigue crack initiation displayed cleavage f... 裂纹形成的断裂为穿晶解理机制,预应变可导致更多的二次裂纹。
- In this paper, fracture mechanism, position and direction of crack initiation of mixed mode fracture in several ductile materials are tested, and stress distributions of which are analyzed. 摘要应用传统强度理论和细观力学方法对几种韧性材料在复合载荷条件下的断裂机理、启裂位置、开裂方向进行了实验分析和应力场计算。
- Sets an enumerator to its initial position. 将枚举数设置到它的初始位置。
- Crack initiation and propagation process in A356 aluminium alloy under impact load have been investigated. 研究了A356铝合金在冲击载荷作用下的裂纹萌生及其扩展过程。
- Setting the initial position of the splitter. 设置拆分器的初始位置。
- For the notched specimens, there are multiple crack initiation sites on the fractography. 瞬断区所承受的断裂应力随循环应力升高而降低;
- The evaluation of crack initiation life is directly affected bythe reliability of nondestructive testing. 检测方法的可靠性直接影响结构疲劳裂纹形成寿命估计值。
- The threshold of the fatigue crack initiation from the notch of the microbeam is close to that of the bulk material. 疲劳裂纹从尖缺口处萌生的门槛值接近块体材料。
- The addition of AlO_2 tended to shorten the period of time for crack initiation, whereas to retard crack propagation. 对钢的应力腐蚀存在双重影响,即促进裂纹萌生,同时又对裂纹扩展起抑制作用。
- Method to move the enumerator back to the initial position. 方法将枚举数移回到初始位置。
- Biaxial analysis was used to get the multiaxial information, and fatigue calculation of multiaxial crack initiation was conducted. 寿命预测采用多轴裂纹萌生疲劳分析,其中部件的多轴特性通过二轴分析获得。
- Fractography analyses with scanning electron microscopy (SEM) were conducted to investigate the corrosion fatigue crack initiation mechanism. 此外,亦利用扫描式电子显微镜(SEM)观察破断面,以了解疲劳破坏机制。
- Experiments demonstrate that leaf spring crack results from rust spot as fatigue crack initiation,and in order to improve spring life it must be to improve coating quality. 通过试验证明了锈点是导致钢板弹簧断裂的新的疲劳源,为提高弹簧的使用寿命必须提高其涂层质量。
- StartPositionGets or sets the initial position of the form at run time. 返回或设置窗体启动时的位置。
- The microprocess of crack initiation and propagation in pearlite under fensile loading has been investigated by in situ observation using a transmission electron microscope. 在透射电镜中进行动态拉伸原位观察珠光体裂纹萌生与扩展的微观过程。
- Discontinuous shot-peening can lead to crack initiation at the tensile surface stresses adjacent to edges of abrupt compressive layer runouts (no fadeout). 受表面张力作用,不连续喷丸会导致在压缩层过渡段突变的边沿出现裂纹。
- The pre-straining prolonged the fatigue crack initiation life, and increased resistance coefficient and equivalent stress threshold of the fatigue crack initiation. 预应变可以延长疲劳裂纹形成寿命,提高疲劳裂纹形成的抗力系数和裂纹形成的当量应力门槛值;