1 GPa级TRIP型BF钢的组织调控和强塑性机制
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侯晓英, 孙卫华, 金光宇, 王业勤, 郝亮, 曹光明, 任东, 殷继丽
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Microstructural Control and the Mechanism of Strength-ductility for 1 GPa Grade TRIP-assisted BF Steel
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HOU Xiaoying, SUN Weihua, JIN Guangyu, WANG Yeqin, HAO Liang, CAO Guangming, REN Dong, YIN Jili
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表1 热轧、酸轧和连退工艺参数
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Table 1 Technology parameters of hot rolling, picking-rolling and continuous annealing
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| Process | Hot rolling process | Pickling-rolling process | Continuous annealing process | Temper-rolling process |
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Soaking temperature /℃ | Rough rolling temperature /℃ | Final rolling temperature /℃ | Coiling temperature /℃ | Reductemperatureion amount /% | Soaking temperature /℃ | Soaking time /s | Aging temperature /℃ | Aging time /s | Elongation /% |
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| Ⅰ | 1240～1260 | 1050 | 865 | 550 | 60.00 | 930 | 120 | 390 | 360 | 0.7 | | Ⅱ | 1240～1260 | 1050 | 865 | 550 | 60.00 | 910 | 120 | 390 | 360 | 0.7 | | Ⅲ | 1240～1260 | 1050 | 865 | 550 | 60.00 | 910 | 120 | 370 | 360 | 0.7 |
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