Then the increment stress - strain relation of plasticity on the corner of the yielding surface is presented by the Koiter theory which is connected with the above hardening function.
它与夸脱理论相结合，得到了在角点处的塑性增量应力应变关系，在角点上剪应力增量与剪应变增量间是单值确定的。
The surface cracks in welded structures are assessed and investigated directly by the wide plate test according to the general yielding criteria and COD parameter.
本文通过宽板拉伸试验，根据全面屈服准则和COD参量直接研完和评定了焊接构件中的表面裂纹。
The impact fracture surface morphology observed by SEM showed that the toughening mechanism of the blend was in accordance with that of the shear yielding.
共混体冲击断面形貌的SEM分析表明其增韧机理为剪切屈服机理。
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