低合金化高性能变形镁合金研究现状及展望
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王慧远, 夏楠, 布如宇, 王珵, 查敏, 杨治政
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Current Research and Future Prospect on Low-Alloyed High-Performance Wrought Magnesium Alloys
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WANG Huiyuan, XIA Nan, BU Ruyu, WANG Cheng, ZHA Min, YANG Zhizheng
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表2 不同方法制备的超塑性低合金化变形镁合金[45~52]
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Table 2 Superplastic low-alloyed wrought magnesium alloys prepared by different processing methods[45-52]
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| Alloy | Processing | Grain size μm | Temperature K | Strain rate s-1 | EL % | Ref. |
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| Mg-1.0Zn-0.45Ca-0.35Sn-0.2Mn | Rolling | 4.0 | 573 | 1.0 × 10-3 | 410 | [45] | | Mg-0.65Mn | Extrusion | 3.0 | 298 | 1.0 × 10-5 | 140 | [46] | | AZ31 | Extrusion | 1.8 | 423 | 3.3 × 10-5 | 320 | [47] | | ZK30 | Extrusion | Bimodal | 723 | 1.0 × 10-2 | 360 | [48] | | AZ31 | Rolling | 130 | 648 | 3.0 × 10-5 | 196 | [49] | | AZ31 | ECAP | 0.7 | 423 | 1.0 × 10-4 | 460 | [50] | | AZ31 | MDF | 3.4 | 423 | 5.0 × 10-5 | 320 | [51] | | Mg-2.5Bi | Extrusion | 3.0 | 298 | 1.0 × 10-3 | 170 | [52] | | Mg-2.5Bi | Extrusion | 3.0 | 298 | 1.0 × 10-5 | 420 | [52] |
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