您要查找的是不是:
- The relationship between crack propagation speed of pipelines and the ductile tearing area of the dropweight tearing test(DWTT) specimens was analyzed from the angle of fracture physics in this work. 管道断裂时的裂缝扩展速度与服役温度和DWTT剪切破裂面之间存在密切的相关性。本文从断裂物理的角度对这种相关性的本质进行了分析。
- 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。
- Study of Method for Measuring Crack Propagation Speed Loaded By SHPB SHPB杆加载动态裂纹扩展速度测试方法研究
- crack propagation speed 裂纹扩展速度
- 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。
- GCL 1 test instrument is used in the test for observing the high speed crack propagation and obtaining the crack speed curve. 试验过程中采用了GLC-1型高速裂纹扩展测试仪来测试裂纹的扩展速度,得到在裂纹扩展过程中裂纹扩展速度曲线。
- The st udy shows that the coupled elastic and electric fields inside piezoelectric med ia depend on the speed of the crack propagation, and have singularity at the cr ack tip. 研究表明 :介质内的耦合场与裂纹运动速度有关 ,在裂纹尖端有奇异 ;
- 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。
- In non-conservative system, what is the propagation speed of waves is unclear. 在非保守系统中,波的传播速度还是个不十分清楚的问题。
- 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。
- It can reflect the flame propagation speed and evaluate the explosion intension. 计算出的分形维数是衡量湍流火焰传播速度以及爆炸强度的有效参数。
- 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;
- Like light waves, acoustic (sound) waves are characterized by a frequency, wavelength and propagation speed. 声波就和光波一样,是以频率、波长和传播速度为其特徵。
- 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。
- By deep analysis of the worms, the proportional relation between the propagation speed of worms and the scale of network is found. 摘要通过对蠕虫的深入分析,发现了蠕虫的传播速度与网络的规模具有一定的关系。
- 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。
- Furthermore, the non-dimensional propagation speed of an ISW declines and the dissipation of wave energy increases as the blockage parameter increases. 随无因次障碍参数的增大,无因次波速减小,而内波的能量消散增大。
- 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。