论文部分内容阅读
对Cu-Ag合金进行了不同程度的冷变形,绘制出了合金的加工硬化曲线。通过对不同厚度退火后试样的抗拉强度和伸长率进行测试和组织观察,得到了合金的再结晶温度。结果表明,合金经冷轧变形后,具有明显的加工硬化效果。合金的强度随着变形量的增大,呈先增大后趋于稳定的趋势,而伸长率、电导率与变形量呈相反的变化规律。冷变形程度越大,合金的再结晶温度越低。但当变形量超过60%时,再结晶温度趋于一个稳定值(300~400℃)。
The Cu-Ag alloy was subjected to different degrees of cold deformation, draw the work hardening curve of the alloy. The recrystallization temperature of the alloy was obtained by testing and observing the tensile strength and elongation of the samples annealed at different thicknesses. The results show that the alloy has obvious work hardening effect after cold rolling deformation. With the increase of the deformation, the strength of the alloy first increases and then tends to be stable, while the elongation, conductivity and deformation show the opposite trend. The greater the degree of cold deformation, the lower the recrystallization temperature of the alloy. However, when the deformation exceeds 60%, the recrystallization temperature tends to a stable value (300-400 ℃).