Abstract: 应力分别称为降伏点(yielding point)与降伏应力(yielding stress),到 H 点. 时,应力又随著应变增加而增加,这种现象称为应变硬化(strain hardening) 的现象。
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...应变却明显增加，此现象即称为降伏(yielding)，而Y 点与Y 点的 应力分别称为降伏点(yielding point)与降伏应力(yielding stress)，到H 点 时，应力又随著应变增加而增加，这种现象称为应变硬化(strain hardening) 的现象。
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yielding stress s 屈服极限σs
dynamic yielding stress 动态屈服应力
structural yielding stress 结构屈服应力
yielding g stress 屈服应力
stress yielding 应力屈服
The author analysis the influence of yielding stress of the material and thickness of attached plating and modulus of elasticity to the ultimate strength of the model and hull girder.
对箱形梁模型的某些参数如弹性模量、屈服应力和带板厚度等做了系统的分析，并且得到了它们的敏感度值，另外，对双壳油船Double hull VLCC还分析了屈服应力、弹性模量和带板厚度对极限弯矩的影响。
参考来源 - 基于IACS共同规范的油船极限强度及敏感性分析·2,447,543篇论文数据，部分数据来源于NoteExpress
The results indicate that, yielding stress would drop off gradually while the level of structural damage increases.
研究表明：屈服应力随着结构损伤的增大而减小；
Compression index before yielding stress appearing would increase slowly while damage level would increase gradually.
屈服前压缩指数随着结构损伤的增大而增大。
It is found that hoop stress increases due to reduction in wall thickness of HDPE pipe, while yielding stress decreases owing to decrease of strain rate.
同时，基于粘弹性应力分析模型得到管材蠕变的应变率逐渐减小，由于聚乙烯的屈服应力具有明显的率相关性，屈服应力也随之逐渐减小。
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