| 1. | Work hardening coefficient 加工硬化系数 |
| 2. | Work hardening capacity 加工硬化能力 |
| 3. | Work hardening stress 加工硬化应力 |
| 4. | Work hardening index 加工硬化指数 |
| 5. | Work hardening curve 应变硬化曲线 |
| 6. | In the classical plasticity calculation , a material model includes the constitution of yield model and work hardening flow stress model 在经典的塑性成型计算中,材料模型包含两方面的内容:初始屈服表面的确定,流动法则和加工硬化模型的建立。 |
| 7. | The tensile and compression experiment on bulk nanocrystalline ag prepared by igc method was carried on mt810 with different grain sizes and zwick 10tn2s machine at different strain rates under normal temperature respectively . the stain rate sensitivity m was found to be 0 . 025 , which was extremely lower than the ordinary values . also the work hardening exponent is very low 本文从用惰性气体蒸发冷凝和真空原位压结法( igc )制备得到的直径80mm ,厚度7 . 6mm的大尺寸纳米晶金属ag样品上切割得到符合力学实验要求的拉伸和压缩试样,在mts810和zwick精密力学测试机上分别精确测定了拉伸和压缩应力?应变曲线与晶粒尺寸和应变速率的关系。 |