您要查找的是不是：
- Crack propagation direction 裂纹开裂角
- Crack propagation usually begins slowly. 裂纹的增长常常是开始缓慢。
- Grain size had some effect on the rate of crack propagation. 晶粒尺寸大小对裂纹扩展速率也有影响。
- The results showed that the weak interface can block the motion of the dislocations and change the propagation direction of the main crack,and result in forming lamella fracture surface. 结果表明,弱界面有阻碍位错运动、偏转主裂纹扩展方向的作用,可形成分层断口。
- An automatic 3D crack propagation program based on the FE method was proposed. 摘要提出了一个基于有限元方法的自动三维裂纹扩展仿真系统模型。
- Crack propagation from the flameout edge can be modeled by considering an edge crack in the martensite surface from flame cutting. 裂纹从烧割边缘的扩展可模拟为一个从烧割处的马氏体表面起始的边裂纹。
- The short crack propagation is intensifiedby cathode-protection potential in the condition of erosion fatigue. 在腐蚀疲劳条件下外加阴极保护电位促进短裂纹扩展;
- We also analyzed the aspect that the propagation direction departed from the optical axis for a little angle, and compared it with the former. 同时也对光束传输方向与通光主轴方向成小角度的情况作了相应的分析，并对两种情况加以比较。
- Waveguide for port nuber 1 is too short. The waveguide must be homogeneous for at least three mesh planes along propagation direction. 我是按他们教程上加的端口大小;系统说短.;然后我加大端口(整个面);可问题还在;哪个高人给指点指点?
- The behaviours of fracture, fatigue and fatigue crack propagation in a cast magnesium alloy are systematically studied. 本文系统地研究了铸造镁合金的断裂;疲劳和疲劳裂纹扩展性能.
- We also analyzed the aspect that the propagation direction departed from the optical axis for a little angle,and compared it with the former. 同时也对光束传输方向与通光主轴方向成小角度的情况作了相应的分析,并对两种情况加以比较。
- Fracture toughness is a material's ability to resist crack propagation and it is an important property of paper. 断裂韧性是材料抵抗裂缝延伸、扩展的能力，是纸张一种重要的强度性能。
- When light passes through a medium interfered by ultrasonic, its propagation direction will be deflected and intensity of diffraction be modulated. 摘要光通过受到超声波扰动的介质时会导致光传播方向的偏转和衍射光强的调制，即声光效应。
- Criteria for crack propagation of ceramic materials are deduced from nonlocal elasticity theory in this paper. 本文根据非局部弹性理论推导了陶瓷材料的裂纹扩展准则。
- The fatigue crack growth rate is the core for predicting fatigue life by use of fatigue crack propagation(FCP) theory. 疲劳裂纹扩展率表达式是采用疲劳裂纹扩展理论预报疲劳寿命的核心。
- Transgranular fracture. Fracture of polycrystalline materials by crack propagation through the grains. 穿晶断裂:多晶材料裂纹穿过晶粒扩展而断裂。
- These galleries can be divided into two kinds according to the propagation direction of the shock wave from the blast point:(1) the tangential gallery;(2) the radial gallery. 在平洞核试验工程中,以爆心为中心的一定范围内布置各种坑道结构,坑道相对于爆心冲击波的传播方向来讲分为两类坑道:(1)切向坑道;(2)径向坑道。
- 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。
- The position of the initiation point determines the propagation direction of detonating wave in charge, and therefore influences the detonation load and blasting effect. 起爆点位置决定了爆轰波在装药中的传播方向，从而影响爆炸荷载和爆破效果。
- Brittle fracture. Fracture that occurs by rapid crack propagation and without appreciable macroscopic deformation. 脆性断裂:通过快速裂纹扩展发生断裂,没有明显的宏观变形。
