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首页> 外文会议>Smart structures : Requirements and potential applications in mechanical and civil engineering >LOW-CYCLE FATIGUE BEHAVIOR OF COPPER ZINC ALUMINUM SHAPE MEMORY ALLOYS
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LOW-CYCLE FATIGUE BEHAVIOR OF COPPER ZINC ALUMINUM SHAPE MEMORY ALLOYS

机译：铜锌铝形状记忆合金的低循环疲劳行为

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Fully reversed, total strain controlled low-cycle fatigue experiments were conducted on austenitic and martensitic CuZnAl alloys. The cyclic stress response of the austenitic CuZnAl was characterized by cyclic hardening within the first 10 cycles followed by cyclic stability up to the point of fracture. For the martensitic CuZnAl, cyclic hardening occurred from the first cycle with the process accelerating towards the point of failure. The cyclic strength coefficient, K', and the cyclic work hardening exponent, n', calculated for austenitic CuZnAl alloy was almost double the values calculated for the martensitic CuZnAl.
机译：在奥氏体和马氏体CuZnAl合金上进行了完全相反，总应变控制的低周疲劳实验。奥氏体CuZnAl的循环应力响应的特征是在前10个循环内进行循环硬化，然后是直至断裂点的循环稳定性。对于马氏体CuZnAl，从第一个循环开始就发生了循环硬化，过程朝着失效点加速。计算出的奥氏体CuZnAl合金的循环强度系数K'和循环加工硬化指数n'几乎是马氏体CuZnAl的两倍。

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