| 1. | Flow stress of 7075 aluminum alloy during hot compression deformation 7075铝合金热压缩变形流变应力 |
| 2. | Flow stress model of steel aermet100 during hot compression deformation 100钢热压缩过程流变应力模型 |
| 3. | A study on the flow stress of plastic deformation for ai - 1osn - 4si alloy at high temperature 新型铝锡硅合金高温塑性变形流变应力的研究 |
| 4. | The flow stress can be described by temperature - compensated strain rate , the so - called zener - hollomon parameter 利用7055铝合金高温塑性变形时稳态流变应力、应变速率( |
| 5. | Compared with the results of quasi - static , it was found that the flow stress evidently increased under the high strain rate 与复合材料在准静态压缩下的变形行为相比,复合材料高应变率流变应力有较大提高。 |
| 6. | The flow stress increases with decreasing deformation temperature and increasing of strain rate . the stress is sensitive to strain rate positively 稳态流变应力随变形温度的降低和应变速率的升高而增大,具有正应变速率敏感性。 |
| 7. | The steady flow stress model of 7055 aluminum alloy at high temperature has been established by regression analysis and artificial neural networks methods , respectively 运用多元数学回归和人工神经网络方法分别建立了7055铝合金高温塑性变形稳态流变应力模型。 |
| 8. | The deformation behaviors and evolution behaviors of the microstructure for the new 7055 aluminum alloy at high temperatures have been investigated by isothermal compression testing method with gleeble - 1500 thermal simulator 本文利用gleeble - 1500热力模拟试验机,采用高温等温压缩试验方法,对7055新型超硬铝合金的高温塑性变形流变应力行为及组织演变行为进行了研究。 |
| 9. | The interdependences of flow stress a , strain rate and deformation temperature t for the alloy have been studied with the aids of om , edax , dsc , xrd , tem , sem , regression analysis and artificial neural networks methods 通过om 、 edax 、 xrd 、 tem 、 sem及数学回归分析和人工神经网络分析等手段,研究了该合金微观组织特征,高温塑性变形过程中的流变应力、应变、应变速率( |
| 10. | The relationship of true stress and true strain for the mid - strength weldable 1420 aluminum - lithium alloy has been investigated in this thesis by high temperature compression testing and high temperature tensile testing on different hot deformation conditions . the interdependence of flow stress , strain rate , strain and deformation temperature for the alloy at high temperature has been studied 本文通过高温压缩和高温拉伸试验,研究了中强可焊1420铝锂合金热变形时不同变形条件下的应力-应变关系、变形条件对合金流变应力的影响;运用多元回归分析方法,采用c语言编程确定了合金的本构关系方程;引入z参数,求解了部分材料常数,并用于材料的组织性能研究中。 |