后时效对超细晶6061铝合金微观结构与力学性能的影响
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刘满平, 薛周磊, 彭振, 陈昱林, 丁立鹏, 贾志宏
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Effect of Post-Aging on Microstructure and Mechanical Properties of an Ultrafine-Grained 6061 Aluminum Alloy
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LIU Manping, XUE Zhoulei, PENG Zhen, CHEN Yulin, DING Lipeng, JIA Zhihong
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表3 国内外超细晶纳米晶6000系时效铝合金的强韧性对比[10,13,27,34~42]
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Table 3 Comprehensive comparisons of tensile properties of 6000 series Al alloys[10,13,27,34-42]
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State/treatment | σ0.2 / MPa | UTS / MPa | Ef / % | Ref. |
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6061 ECAP at RT + post-aging | 483 | 514 | 15.1 | This work | Al-Mg-Si-Cu rolling+aging | 452 | 487 | 10.0 | [10] | 6061 ECAP at RT + post-aging | 411 | 450 | 17.8 | [13] | 6061 under-aging + coldrolling + re-aging | 542 | 560 | 8.5 | [27] | 6061 HPT at RT | 605 | 705 | 6.3 | [34] | 6061 Friction stir processing | 435 | 505 | 2.1 | [35] | AA6060 HPT at RT | 475 | 525 | 6.0 | [36] | 6061 HPT at RT | 660 | 690 | 5.5 | [37] | 6061 HPT at RT + post-aging | 455 | 485 | 15.0 | [38] | 6061 multi directional forging + aging | 409 | 472 | 8.9 | [39] | 6101 hydrostatic extrusion + aging | 345 | 354 | 5.5 | [40] | 6061 accumulative roll bonding + aging | 450 | - | 6.5 | [41] | Al-Mg-Si-Cu pre-deformation + aging | 435 | 450 | 7.1 | [42] |
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