刘孟珂,马国军,张翔,姚旺龙,李治桥

• 1:武汉科技大学钢铁冶金与资源利用省部共建教育部重点实验室
• 2:武汉科技大学钢铁冶金新技术湖北省重点实验室

摘要(Abstract)：

研究了Sn含量对压力容器钢显微组织的影响及其在钢基体中的存在形式,并采用维氏硬度仪、室温拉伸试验和0℃夏比冲击实验等分析了不同Sn含量对压力容器钢力学性能的影响。结果表明:钢中所含的Sn在晶粒内部和晶界处均存在偏聚现象,另有部分存在于夹杂物中;随着Sn含量的增加,钢中铁素体的平均尺寸先逐渐增大后减小,珠光体的平均尺寸先逐渐减小后增大,钢的维氏硬度、冲击韧性、伸长率和断面收缩率逐渐降低,抗拉强度和屈服强度先降低后趋于不变。

关键词(KeyWords)： 压力容器钢;锡;力学性能

Abstract:

Keywords:

基金项目(Foundation): 省部共建耐火材料与冶金国家重点实验室青年基金项目(2018QN10)

作者(Author): 刘孟珂,马国军,张翔,姚旺龙,李治桥

DOI: 10.13289/j.issn.1009-6264.2020-0403

参考文献(References)：

• [1] 李文超.冶金与材料物理化学[M].北京：冶金工业出版社，2001.
• [2] Zhang X,Ma G J,Liu M K,et al.Removal of residual element tin in the ferrous metallurgy process:a review[J].Metals,2019,9(8):834-849.
• [3] Zhang X,Ma G J,Liu M K,et al.Thermodynamic analysis of the effect of molten steel compositions on tin removal[J].Results in Physics,2020(16):102862-102867.
• [4] Zhang X,Ma G J,Liu M.Micro-segregation model calculation of residual tin in boiler and pressure vessel steel[J].Philosophical Magazine,2019,99(9):1041-1056.
• [5] 贾涓.Sn 的晶界偏聚行为与低碳钢的热塑性[D].武汉：武汉科技大学，2003.JIA Juan.Tin segregation behavior to grain-boundary and the hot ductility of low carbon steel[D].Wuhan:Wuhan University of Science and Technology,2003.
• [6] 孙桂林.钢中残留元素锡与锑析出行为的基础研究[D].北京：北京科技大学，2016.SUN Gui-lin.Fundamentals on precipitation behavior of residual elements tin antimony in steel[D].Beijing:University of Science and Technology Beijing,2016.
• [7] 林文松.微量溶质元素在金属晶界的偏聚[J].热处理，2004,19(2):18-21.LIN Wen-song.Segregation of solute elements on metal grain boundaries[J].Heat Treatment,2004,19(2):18-21.
• [8] 徐庭栋.溶质晶界偏聚和晶间脆性断裂的研究[J].材料导报，2002,16(4):11-16.XU Ting-dong.A study of grain boundary segregation and intergranular embrittlement fracture[J].Materials Review,2002,16(4):11-16.
• [9] Chen S,Zhu R,Xue L,et al.Effects of elemental Sn on the properties and inclusions of the free-cutting steel[J].International Journal of Minerals,Metallurgy,and Materials,2015,22(2):141-148.
• [10] 李联生，朱荣，郭汉杰，等.以锡代铅研制环保型易切削钢[J].北京科技大学学报，2003,25(4):312-314.LI Lian-sheng,ZHU Rong,GUO Han-jie,et al.Development of non-leaded free-cutting steel by adding tin[J].Journal of University of Science and Technology Beijing,2003,25(4):312-314.
• [11] 李联生，朱荣，郭汉杰，等.含锡易切削钢的冶炼和性能研究[J].特殊钢，2004,25(6):10-12.LI Lian-sheng,ZHU Rong,GUO Han-jie,et al.A study on smelting and properties of tin-bearing free-cutting steel[J].Special Steel,2004,25(6):10-12.
• [12] 周淑兰，郭廷宝，沈光华.Cr-Mo-V系炮钢中磷锡的控制容限[J].兵器材料科学与工程，1998,21(1):11-17.ZHOU Shu-lan,GUO Ting-bao,SHEN Guang-hua.Control critical range of P and Sn of Cr-Mo-V series gun steel[J].Ordnance Material Science and Engineering,1998,21(1):11-17.
• [13] Gulyaev A,Taran A.Effect of purity on the temper brittleness of improved structural steels[J].Metal Science and Heat Treatment,1971,13(10):844-848.
• [14] Matsuoka H,Osawa K,Ono M,et al.Influence of Cu and Sn on hot ductility of steels with various C content[J].ISIJ International,1997,37(3):255-262.
• [15] Nagasaki C,Kihara J.Effect of copper and tin on hot ductility of ultra-low and 0.2% carbon steels[J].ISIJ International,1997,37(5):523-530.
• [16] 黄传根，宋波，辛文彬，等.稀土La对含As、Sn低碳钢高温热塑性的影响[J].金属热处理，2015,40(10):1-6.HUANG Chuan-gen,SONG Bo,XIN Wen-bin.Influence of rare earth La on hot ductility of low carbon steel containing As and Sn[J].Heat Treatment of Metals,2015,40(10):1-6.
• [17] Stephenson E.Effect of recycling on residuals,processing,and properties of carbon and low-alloy steels[J].Metallurgical Transactions A,1983,14(2):343-353.
• [18] 肖寄光，王福明，程慧静.残留元素铜砷锡对钢板表面微裂纹形成的影响[J].金属热处理，2010,35(12):102-107.XIAO Ji-guang,WANG Fu-ming,CHENG Hui-jing.Effect of residual elements Cu,As and Sn on surface microcrack of hot rolled steel plate[J].Heat Treatment of Metals,2010,35(12):102-107.
• [19] 耿明山，王新华，张炯明，等.钢中残留元素在连铸坯和热轧板中的富集行为[J].北京科技大学学报，2009(3):300-305.GENG Ming-shan,WANG Xin-hua,ZHANG Jiong-ming,et al.Enrichment of residual elements in continuously cast slabs and medium plates[J].Journal of University of Science and Technology Beijing,2009(3):300-305.
• [20] 黄军波，何毅，赵美兰.淬火冷速对大型核电压力容器用钢显微组织和力学性能的影响[J].材料热处理学报，2020,41(4):158-164.HUANG Jun-bo,HE Yi,ZHAO Mei-lan.Effect of quenching cooling rate on microstructure and mechanical properties of heavy nuclear power pressure vessel steel[J].Transactions of Materials and Heat Treatment,2020,41(4):158-164.
• [21] GB 713—2014,锅炉和压力容器用钢板[S].中华民共和国国家质量监督检验检疫总局，中国国家标准化管理委员会，2014.
• [22] 赵靖宇，吕烨哲，孙玉福，等.锡对蠕墨铸铁显微组织和力学性能的影响[J].铸造，2001(10):948-952.ZHAO Jing-yu,Lü Ye-zhe,SUN Yu-fu,et al.Effect of Sn on microstructure and mechanical properties of vermicular graphite iron[J].Foundry,2001(10):948-952.
• [23] Bjarbo A,Hattestrand M.Complex carbide growth,dissolution,and coarsening in modified 12 pct chromium steel-an experimental and theoretical study[J].Metallurgical and Materials Transactions A,2001,32(1):19-27.
• [24] 彭红兵，陈伟庆，陈列.Sn对20CrMnTi齿轮钢连续冷却转变曲线及力学性能的影响[J].金属热处理，2013,38(12):35-38.PENG Hong-bing,CHEN Wei-qing,CHEN Lie.Effects of Sn on continuous cooling transformation curves and mechanical properties of 20CrMnTi gear steel[J].Heat Treatment of Metals,2013,38(12):35-38.

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