| 低成本船用EH36高强钢板的研制及其性能 |
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| 引用本文： | 胡战,吴荣华,陈继雄.低成本船用EH36高强钢板的研制及其性能[J].理化检验(物理分册),2021,57(2):13-16. |
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| 作者姓名： | 胡战 吴荣华 陈继雄 |
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| 作者单位： | 宝钢湛江钢铁有限公司,湛江 524072;宝钢湛江钢铁有限公司,湛江 524072;宝钢湛江钢铁有限公司,湛江 524072 |
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| 基金项目： | 广东省促进经济高质量发展专项资金海洋经济发展项目(GDOE[2019]A08)。 |
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| 摘 要： | 不添加价格昂贵的铌、钒元素,仅在C-Mn钢成分体系上添加钛元素细化晶粒,采用热机械控制工艺研制出低成本的船用EH36高强钢板,并对其力学性能、显微组织等进行了分析.结果表明:该船用EH36高强钢板成本较原来低,其性能满足标准要求,且强度和韧性均有较大的富余量;经人工应变时效后,其低温冲击韧性仍较好;经两种热输入焊接后,...
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| 关 键 词： | EH36高强钢板 力学性能 应变时效 焊接热输入 焊接性能 |
Development of Low Cost EH36 High Strength Steel Plate for Ship and Its Properties |
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| HU Zhan,WU Ronghua,CHEN Jixiong.Development of Low Cost EH36 High Strength Steel Plate for Ship and Its Properties[J].Physical Testing and Chemical Analysis Part A:Physical Testing,2021,57(2):13-16. |
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| Authors: | HU Zhan WU Ronghua CHEN Jixiong |
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| Affiliation: | (Baosteel Zhanjiang Iron and Steel Co.,Ltd.,Zhanjiang 524072,China) |
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| Abstract: | Instead of added expensive Nb and V elements,only added Ti element to the C-Mn steel to refine the grain size,and low cost EH36 high strength steel plate for ship was developed by thermo mechanical control process,and its mechanical properties and microstructure were analyzed.The results show that the cost of the EH36 high strength steel plate for ship was lower than that of the original,its properties met the requirements of the standard,and its strength and toughness have a large margin.After artificial strain aging,the low temperature impact toughness was still good.After two kinds of heat input welding,the mechanical properties of the welded joint met the requirements of the base metal,and the margin was large,which show that it had superior weldability. |
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| Keywords: | EH36 high strength steel plate mechanical property strain aging welding heat input welding property |
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