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- The numerical results of smeared crack model, including load-carrying capacity, crack propagating depth and equivalent crack opening displacement, . 数值算例表明弥散裂缝模型与分离裂缝模型计算精度接近但其效率更高。
- Numerical calculation results indicate that the motion parameter of crack propagating speed has little effect itself on zone structure at crack tip. 数值计算结果表明,运动参量裂纹扩展速度本身对裂尖场的分区构造影响很小。
- The approach of crack propagating in hard phase includes fracture of eutectic carbide, raw WC particle, interface of them and pinetree carbide. 裂纹优先在硬质相区扩展,扩展的方式及途径包括枝晶碳化物的脆断,原始WC颗粒和复式碳化物的开裂以及两者之间的界面脱离。
- 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。
- Therefore, predicting crack turn accurately and predicting the crack propagating trajectory accurately is a important researching content of fracture mechanics for integrally structure. 因此,准确地预测裂纹转折从而准确地预测裂纹扩展轨迹是整体结构断裂力学研究的一个重点内容。
- 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。
- mode Ⅲ interface crack propagating Ⅲ型界面裂纹扩展
- The study on the energy release rate for cracks propagating of particle and matrix interface in functionally gradient materials(FGM) was carried out. 研究了功能梯度材料富陶瓷区金属颗粒界面断裂能量释放率。
- 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;
- 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.
- 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。
- 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。
- A little crack detracts from the value of the vase. 小小的裂痕减损那个花瓶的价值。
- 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。
- 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。
- The EFM was employed to establish the crack propagation model of rock under the action of transient temperature field. 摘要应用无单元法建立了瞬态温度场作用的岩体裂缝扩展模型。