疲劳强度低于弹性极限或屈服强度等静应力强度。
Fatigue strength is less than static stress strength such as elasticity limit, yield strength.
某舰的螺旋桨尾轴长期处在恒定载荷作用下，虽然尾轴应力在弹性极限范围内，但是尾轴局部还是很容易发生微量的塑性变形。
Tiny deformation will appear in the local of the propeller shaft of certain ship which is endured an invariableness load, although the shaft stress is within the elastic limit range.
最后对三种结构型式的拱顶储罐的变形方式、应力状态、塑性变形历史、塑性极限压力、弹性失稳临界压力进行了分析与对比。
The analysis and contrast of deformation pattern, state of stress, plastic deformation history, plastic limit load and limit load of elastic buckling are analyzed and contrasted.
按规则设计，按分析设计，弹性应力分析，极限载荷分析，弹-塑性应力分析。
Design by Rule, Design by Analysis, Elastic Stress Analysis, Limit Load Analysis, Elastic-Plastic Stress Analysis.
线弹性及非线性分析结果表明，最不利工况下，部分节点局部区域的峰值应力有超过铸钢屈服极限的情况，但屈服区域范围小，同时最大应变值尚小。
Though the peak value of the stress in part areas exceeds the yield limit of the cast steel, as the yielding areas are small an.
横轴方向的位移荷载速度越大，纵轴方向的弹性模量越大，平台极限应变越小，而屈服应力和平均平台应力相差不大。
When the transverse loading speed becomes bigger, the axial elasticity modulus also becomes bigger, while the platform yeild strain becomes smaller, buy the yield stress changes little.
试验得到的数据有：应力应变关系曲线、屈服强度、极限强度、弹性模量、延伸率和热膨胀系数。
The test data include the stress? Strain curve, yield strength, tensile strength, Youngs modulus, elongation and expansion coefficient.
试验得到的数据有：应力应变关系曲线、屈服强度、极限强度、弹性模量、延伸率和热膨胀系数。
The test data include the stress? Strain curve, yield strength, tensile strength, Youngs modulus, elongation and expansion coefficient.
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