the deformation resistance of most of the metallic materials is influenced by the strain rate.
金属材料发生塑性变形的阻力通常与加载的应变率有关。
moreover, it is revealed that the deformation resistance in the thermal cycle process is related to the increase of its tensile stress and the decrease of yield strength.
研究进一步表明,材料变形的难易程度又与变温循环过程,热疲劳试样拉伸应力的增加和材料屈服强度的降低有关。
with the increase of forging temperature, the deformation resistance and stress for working are decreased, which brings about the improvement of formability.
随着锻造温度的增加,变形抗力和加工应力减小,合金的成形性能得到提高。
the results show that eccentricity of ring holder affects the deformation resistance that the velocity field is a non-perfect triangular one.
结果表明抱辊偏心对变形抗力有影响,辗扩工艺具有不完整的三角形速度场。
volume effect is in the case of the plastic processing system with vibration, under this process the deformation resistance force of materials is reduced, and the deformation rate is risen.
一般认为将机械振动引入到金属的塑性成形加工中,不但可以降低材料变形时所需的外力,还能大幅度提高产品成形质量,这些效果的产生主要缘于体积效应的影响。
the deformation resistance models of two steels during hot rolling have been established with regression analysis of reasonable structural formula.
用合理的模型结构形式回归了两钢种的热轧变形抗力模型。
at the same time, the deformation resistance mathematics model of micro-alloy low-carbon bainitic steel is established, and the calculated results accord with the experimental values.
同时,建立了微合金低碳贝氏体钢的变形抗力数学模型,回归分析结果表明与实测结果吻合较好。