| 核电用高强韧厚规格调质钢板的力学性能和显微结构 |
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| 引用本文： | 毕志超,张继明,刘晓东,蒋善玉,韩启彪,孙卫华.核电用高强韧厚规格调质钢板的力学性能和显微结构[J].钢铁研究学报,2011,23(10):59-62. |
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| 作者姓名： | 毕志超 张继明 刘晓东 蒋善玉 韩启彪 孙卫华 |
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| 作者单位： | 济南钢铁集团有限公司,山东济南,250101 |
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| 摘 要： | 通过实验室调质工艺研究，确定了核安全壳用钢SA738Gr．B热处理工艺，经工业化热处理后，45mm厚度SA738Gr．B钢具有良好的拉伸性能和优异的低温冲击韧性，同时具有稳定的高温拉伸性能，其显微组织为均匀细小的板条贝氏体，在板条内和界面处有大量弥散的纳米级碳化物析出。
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| 关 键 词： | 力学性能 显微组织 贝氏体 碳化物 核电 |
Microstructure and Mechanical Properties of Q and T Heavy Plate for Nuclear Power Station Purpose |
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| BI Zhi-chao,ZHANG Ji-ming,LIU Xiao-dong,JIANG Shan-yu,HAN Qi-biao,SUN Wei-hua.Microstructure and Mechanical Properties of Q and T Heavy Plate for Nuclear Power Station Purpose[J].Journal of Iron and Steel Research,2011,23(10):59-62. |
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| Authors: | BI Zhi-chao ZHANG Ji-ming LIU Xiao-dong JIANG Shan-yu HAN Qi-biao SUN Wei-hua |
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| Affiliation: | Jigang Group Company Ltd, Jinan 250101, Shandong, China |
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| Abstract: | SA738GrB steel plate for nuclear power station purposes was quenched and tempered with the heat treatment technology obtained by lab-experiments. Industrial processing was implemented on 45mm thick plates which displayed well tensile properties and Charpy V-notch impact energy. The plate also demonstrated well mechanical properties at 200℃. Well uniformity of fine lath-banite characterized the microstructure of the plate with nano-sized carbides dispersing inner the banite structure and its boundaries. |
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| Keywords: | mechanical properties microstructure banite carbide nuclear power |
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