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- The discussion is focused on the relation of ratcheting to the plastic modulus and accumulated plastic strain. 研究中着重讨论了循环棘轮行为与塑性模量和累积塑性应变之间的关系。
- accumulative plastic strain 累积塑性应变
- LCF life could be well expressed by plastic strain energy. 低周被劳寿命可由塑性应变能表达。
- accumulated plastic strain [化] 累积塑性应变
- The final configuration is identical to that in (a), and the total plastic strain is six atomic spacings. 最后的排列虽与图a一样，但总的塑性应变量是6个原子距。
- It can he used to compute many appropriate scalar quantities such as temperature, displacement, effective stress and effective plastic strain. 重点研究此法在焊接的热分析中的应用，得到了有益的结论。
- Low-fatigue properties of 3 hoop was tested.Results show that the density of cyclic plastic strain energy is relative to hoop damage. 测试了3件轮箍的低周疲劳性能。结果表明,循环疲劳塑性应变能密度能够很好地反映轮箍损伤程度。
- A new kind of elasto - plastic stiffness matrix of elements is proposed in ferms of the theory of elasto - plastic strain,the finite element method and weighted factors. 介绍一种基于模糊控制的气体流速仪 ,对流速仪的工作原理 ,选用器件 ,加权因子自寻优在系统中的应用进行阐述 ,并给出几种消除干扰的方法。
- It was shown that the cumulative plastic strain depended not only on the applied cyclic stress and number of cycles,but also on the initial static deviatoric stress level. 在上海地区典型饱和软粘土不排水循环三轴试验的基础上,分析了影响软粘土塑性累积变形的主要因素:循环荷载的作用次数,初始静偏应力和循环加载动偏应力。
- A series of uniaxial ratcheting tests of T225NG alloy at room temperature were performed and the plastic strain accumulation behavior of the alloy was investigated. 对应力循环下T225NG合金的塑性累积行为进行了试验研究,提出了预测棘轮饱和应变的本构关系及描述棘轮应变演化规律的指数型演化方程。
- The traditional viewpoint of existing heating process and neglecting melting phenomena in welding results in the error of considering compressive plastic strain in welding. 由于认为焊缝存在加热过程和忽视熔化现象的存在，导致传统观点认为的焊缝存在压缩塑性应变的错误。
- Using ANSYS performed the nonlinear finite element analysis of the QFP solder joints under thermal cycles. The thermal fatigue life of QFP solder joint was calculated using Coffin-Manson equation based on the plastic strain. 对热循环加载条件下QFP焊点进行了非线性有限元分析,基于塑性应变采用Coffin-Manson方程计算了25种不同焊点形态的QFP焊点热疲劳寿命;
- This strain of wheat can grow during a cold spring. 这种小麦可以在寒冷的春天生长。
- The experimental data show that the plastic strain of granite mainly depends on the strain energy of distortion due to deviatoric stress, but not on the strain energy of volume change. 实验结果验证了花岗岩的塑性应变主要与偏斜应力产生的形状改变比能有关，而与体积改变比能的关系不大。
- The displacement of two tunnels' vault rock mass and the plastic strain of the right tunnel's left spandrel rock mass are very big, which may cause the landslip or destruction of tunnel. 两主洞拱顶及右洞左拱肩位置的围岩出现了较大的位移或应变而有可能引起隧道塌方或破坏；
- The result shows that the plastic strain at the heel region induced by wire bonding process, molding process and the thermal stress and strain in solder reflow are the main causes of heel crack. 结果显示由于引线键合工艺、注塑工艺以及回流焊中封装体各部分不同的热膨胀系数引起的热应力和塑性变形是产生引脚跟断裂的主要因素。
- The residual stress in cementite increased with exerted plastic strains till the border strain point and decreased thereafter. 当施加的塑性应变在边界应变点之前,渗碳体的残余应力随应变值的增加而增大,而在边界应变点之后,残余应力呈下降趋势。
- Netty thermal fatigue crack will occurs when two principal stress and two principal plastic strains are approximately equal to each other. 两个主应力的值和两个主塑性应变值相近时出现网状龟裂。
- It is shown that considerable plastic strains accumulated between the intrados and crowns in the middle of the elbow under certain load level. 计算结果表明,在一定载荷作用下,弯管中部两顶线与内缘线之间有较大的塑性应变累积,且塑性应变区域随加载次数增加而增大。
- The man is carrying a small black plastic handbag. 这个人提着一个黑色的小塑料提袋。
