In two and three dimensions the yield limit is reached when a certain function of all the stress components reaches a fixed value.
在二维或三维的情况下，屈服极限是当所有应力分量的某个函数达到某一固定值时达到的。
The value of stress under air pressure test shall not exceed 80% of the yield point of the material in test temperature;
气体压力试验时的应力值，不得超过试验温度下材料屈服点的80%。
The value of stress under hydraulic pressure test shall not exceed 90% of the yield point of the material in test temperature;
液体压力试验时的应力值，不得超过试验温度下材料屈服点的90%；
The stress is very complex and may reach to a peak value exceeding the yield stress of the material.
其应力分布非常复杂，而且有超过材料屈服应力的应力峰值。
Based on the rheological behaviour of lithium lubricating grease, the steady-state, transient-state and dynamic-state flow experiments were selected to obtain yield stress value.
根据锂基润滑脂的流变性质，采用稳态、瞬态和动态实验等方法测定了屈服应力值。
The main reason of the main beam down deflection was that the most complex stress exceeded the admissible value and achieved the yield limit value.
主梁下挠变形的主要原因是受热引起的最大复合应力超过许用值，达到了屈服极限值，强度不满足要求。
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.
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。
It is found that the alloying elements segregation in grains and the grain boundary cleanliness control the yield stress value and the tough-strength properties of this material respectively.
发现材料的晶内偏析和奥氏体晶界洁净度分析控制钢的屈服强度和韧度。从而改变了此钢按细化晶粒度控制强韧性的工艺指导思想。
It is found that the alloying elements segregation in grains and the grain boundary cleanliness control the yield stress value and the tough-strength properties of this material respectively.
发现材料的晶内偏析和奥氏体晶界洁净度分析控制钢的屈服强度和韧度。从而改变了此钢按细化晶粒度控制强韧性的工艺指导思想。
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