The static and dynamic stress relaxation characteristics at different temperatures for three kinds of aged Cu Be alloys which were subjected to bending were determined.

• 测定了 3种铍铜合金带材经时效处理后的静态及动态弯曲应力松弛特性 ,并根据应力松弛行为提出了MAXWELL线弹性粘性体模型 ,建立了剩余应力与时间及温度参数的关系式 ,对静态和动态应力松弛特性进行了计算及预测。