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工程科学学报,第38卷,增刊1:101-108,2016年6月 Chinese Journal of Engineering,Vol.38,Suppl.1:101-108,June 2016 DOI:10.13374/j.issn2095-9389.2016.s1.018:http://journals.ustb.edu.cn Mn含量波动对DH36高强度船板钢力学性能影响的 数学模型 吴建中12》,石骁2),郭汉杰12,郭靖2) 1)北京科技大学治金与生态工程学院,北京100083 2)高端金属材料特种熔炼与制备北京市重点实验室,北京100083 ☒通信作者,E-mail:guohanjiet@usth.cd.cn 摘要通过对国内某钢厂DHB6高强度船板钢轧制成型之后的成品板材进行研究,利用数学模拟的分析方法,建立了 DH36高强度船板钢主要化学成分与基本力学性能之间关系的数学模型,并在此基础上重点分析了各元素随M含量的变化 对力学性能产生的影响.结果表明:在相关成分允许的波动范围内,M元素对冲击功的影响主要呈斜率为负的直线关系,对 屈服强度、抗拉强度、断面收缩率的影响也均呈直线关系,但斜率规律与其他元素的含量有关,需具体分析. 关键词DH36:高强度船板钢:化学成分;Mn;力学性能:多元非线性回归 分类号TG113.25;TP301.6 A mathematical model of mechanical properties influenced by manganese in DH36 high-strength ship plate steel WU Jian--hong2,SHI Xiao2,GU0Hanc2回,GU0Jing2 1)School of Metallurgical and Ecological Engineering,University of Science and Technology Beijing,Beijing 100083,China 2)Beijing Key Laboratory of Special Melting and Preparation of High-End Metal Materials,Beijing 100083,China Corresponding author,E-mail:guohanjie@ustb.edu.cn ABSTRACT Plate products of DH36 high-strength ship plate steel,roll formed by a steelworks in China,were investigated.Analy- zing by mathematical simulation method,a mathematical model was built for the connection between main chemical components and basic mechanical properties of DH36 high-strength ship plate steel.Based on the model,the impact of composition fluctuation of man- ganese on various mechanical properties was emphatically analyzed.The results show that the influence of manganese on impact energy mainly appears as the negative linear relationship.The impact of manganese on the yield strength,tensile strength and reduction of ar- ea also appears as the linear relationship,and the slope is impacted by other elements and needs further investigation. KEY WORDS DH36:high-strength ship plate steel:chemical composition:manganese:mechanical property:multivariate nonlin- ear regression 随着国内制造业持续快速地发展,船板用钢在质 船工业中应用广泛网.现较为通用的高质量船板钢 量、性能、品种、规格等方面的要求不断提高.考虑到船只 设计思路可概括为“低碳、高锰和微合金化”可.目 使用的安全性和可靠性,对所用钢材的力学性能及化学 前,关于高强度船板钢中特定组织、析出物及生产工艺 成分进行分析和优化已成为公认的重要研究领域. 对力学性能产生的影响规律已有国内外学者做了大量 DH36级船板钢属于高强度船体结构用钢,具有 研究川,但尚未有人通过工业成品大数据来解释相 强度高、低温冲击韧性佳、焊接性能良好等特点,在造 关化学元素含量的波动与船板钢力学性能之间的关 收稿日期:201601-22工程科学学报,第 38 卷,增刊 1: 101--108,2016 年 6 月 Chinese Journal of Engineering,Vol. 38,Suppl. 1: 101--108,June 2016 DOI: 10. 13374 /j. issn2095--9389. 2016. s1. 018; http: / /journals. ustb. edu. cn Mn 含量波动对 DH36 高强度船板钢力学性能影响的 数学模型 吴建中1,2) ,石 骁1,2) ,郭汉杰1,2) ,郭 靖1,2) 1) 北京科技大学冶金与生态工程学院,北京 100083 2) 高端金属材料特种熔炼与制备北京市重点实验室,北京 100083  通信作者,E-mail: guohanjie@ ustb. edu. cn 摘 要 通过对国内某钢厂 DH36 高强度船板钢轧制成型之后的成品板材进行研究,利用数学模拟的分析方法,建立了 DH36 高强度船板钢主要化学成分与基本力学性能之间关系的数学模型,并在此基础上重点分析了各元素随 Mn 含量的变化 对力学性能产生的影响. 结果表明: 在相关成分允许的波动范围内,Mn 元素对冲击功的影响主要呈斜率为负的直线关系,对 屈服强度、抗拉强度、断面收缩率的影响也均呈直线关系,但斜率规律与其他元素的含量有关,需具体分析. 关键词 DH36; 高强度船板钢; 化学成分; Mn; 力学性能; 多元非线性回归 分类号 TG113. 25; TP301. 6 A mathematical model of mechanical properties influenced by manganese in DH36 high-strength ship plate steel WU Jian-zhong1,2) ,SHI Xiao1,2) ,GUO Han-jie1,2)  ,GUO Jing1,2) 1) School of Metallurgical and Ecological Engineering,University of Science and Technology Beijing,Beijing 100083,China 2) Beijing Key Laboratory of Special Melting and Preparation of High-End Metal Materials,Beijing 100083,China  Corresponding author,E-mail: guohanjie@ ustb. edu. cn ABSTRACT Plate products of DH36 high-strength ship plate steel,roll formed by a steelworks in China,were investigated. Analy￾zing by mathematical simulation method,a mathematical model was built for the connection between main chemical components and basic mechanical properties of DH36 high-strength ship plate steel. Based on the model,the impact of composition fluctuation of man￾ganese on various mechanical properties was emphatically analyzed. The results show that the influence of manganese on impact energy mainly appears as the negative linear relationship. The impact of manganese on the yield strength,tensile strength and reduction of ar￾ea also appears as the linear relationship,and the slope is impacted by other elements and needs further investigation. KEY WORDS DH36; high-strength ship plate steel; chemical composition; manganese; mechanical property; multivariate nonlin￾ear regression 收稿日期: 2016--01--22 随着国内制造业持续快速地发展,船板用钢在质 量、性能、品种、规格等方面的要求不断提高. 考虑到船只 使用的安全性和可靠性,对所用钢材的力学性能及化学 成分进行分析和优化已成为公认的重要研究领域. DH36 级船板钢属于高强度船体结构用钢,具有 强度高、低温冲击韧性佳、焊接性能良好等特点,在造 船工业中应用广泛[1--2]. 现较为通用的高质量船板钢 设计思路可概括为“低碳、高锰和微合金化”[3--5]. 目 前,关于高强度船板钢中特定组织、析出物及生产工艺 对力学性能产生的影响规律已有国内外学者做了大量 研究[6--11],但尚未有人通过工业成品大数据来解释相 关化学元素含量的波动与船板钢力学性能之间的关
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