定向再结晶对热轧态<strong>Cu71Al18Mn11</strong>合金的组织和超弹性性能的影响

定向再结晶对热轧态Cu71Al18Mn11合金的组织和超弹性性能的影响

徐利君, 郑策, 冯小辉, 黄秋燕, 李应举, 杨院生

Effects of Directional Recrystallization on Microstructure and Superelastic Property of Hot-rolled Cu71Al18Mn11 Alloy

XU Lijun, ZHENG Ce, FENG Xiaohui, HUANG Qiuyan, LI Yingju, YANG Yuansheng

表1 不同参数定向再结晶样品的最大超弹性应变(ε

_{S E}^{M A X}

)和对应的残余应变(ε

_{r}^{M A X}

)

Table 1 Maximum superelastic strain (ε

_{S E}^{M A X}

) and corresponding residual strain (ε

_{r}^{M A X}

) of DRed samples with different parameters

Drawing velocity /μm·s^-1	2			5			15
Annealling temperature/℃	800	850	900	800	850	900	800	850	900
ε $_{S E}^{M A X}$ / %	6.34	7.58	9.99	7.75	7.54	11.65	3.54	4.97	8.71
ε $_{r}^{M A X}$ / %	6.40	6.55	4.34	10.59	4.00	4.24	5.36	9.55	9.41