含铌高强度船板钢冲击性能分析与控制
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摘要
高强度化是船板钢最重要的发展趋势之一。上世纪末,美国、日本、俄罗斯和法国等国曾先后开发出了屈服强度在900MPa级的钢种,而我国也研制出了330、390、590、785MPa级的高强度船板钢。而船板钢又是船板制造中最重要的金属材料,为了保证船舶的安全航行和使用的可靠性,必须使船板钢具有良好的韧性,足够的塑性,优良的强度,好的耐疲劳性能和耐海水腐蚀性能,此外还有优良的焊接性能。而冲击性能不合作为一种明显的缺陷,严重影响了高强度船板的使用性能。
本课题通过对邯钢中板厂生产的含铌高强度船板钢性能的分析,努力寻找含铌高强度船板钢冲击性能不合的原因。钢材的内部缺陷,比如偏析、气泡、夹杂、裂纹、过热过烧、带状组织、魏氏组织、不均匀分布等情况都可以使冲击功降低,所以同时提高强度和塑性的因素就是提高冲击功的因素之一。根据其他钢厂开发生产高强度船板钢成功的经验,课题围绕着如何改善冲击性能不和缺陷为目的,通过对含铌高强度船板钢的化学成分、金相组织、夹杂物、钢坯加热制度、轧制工艺、轧制温度、冷却速度等工艺参数进行探索,发现了不同工艺指标对含铌高强度船板的组织和冲击性能的影响,基于以上的分析基础,提出了初步的生产工艺优化方案。并通过针对性的分析这些工艺参数,结合实际情况,提出了适合邯钢中板厂的生产工艺和改进措施,来达到改善冲击性能的最终目的,减少含铌高强度船板钢的缺陷发生,提高生产企业的直接经济效益和间接社会效益。
High strength is the one of the most important development of the ship plate steel. Last century end,the usajapan,Russia and france one after another exploited the steel type which intensity is 900MPa,while china exploited it with 330、390、590、785MPa.And the ship plate steel is the most important metallica in making ship plate.It is necessary for making sure safety sailing and responsibility of the ship,with well tenacity,ductility,intensity, fatigue resistance,and resistance sea-corrosion,and especially welding performance. As a evident defect,substandard impact performance influence all kinds of high strength ship plate's well performances seriously.
This topic attempts to find the reason why the high strength ship plate's im pact performance is substandard by analyzing what comes from Han-Steel mediu m plate plant.The interior defect of steels can reduce AK,such as segregation,bub ble,inclusion,flaw,overheated,overburned,banded orientation,widmanstattenstructure a nd uneven distribute,so enhancing intensity and plastic at the same time is one o f the factor to enhance AK. On the basis of the experience of other steel works exploiting and developing high strength ship steel plates,this topic finds the influ ence of impact performance tissues and impact performance from different techno logy peremeter,arounding how to improve the defect in chemicalcomposition,metal lographic structure,inclusion, billet heating system, rolling process, rolling tempera ture, cooling rate,and so on. Based on the above analysis,it puts forward element ary production process optimization scheme.And through targeted analysis of thes e parameters, combined with the actual situation, put forward for Han-Steel medi um plate plant production process and improve the measures to achieve the ulti mate goal of improving the impact porformance, to reduce high-strength ship plat e steel with Nb defects,enhances direct economic benefit of enterprises improve productivity and indirect social benefits.
本课题通过对邯钢中板厂生产的含铌高强度船板钢性能的分析,努力寻找含铌高强度船板钢冲击性能不合的原因。钢材的内部缺陷,比如偏析、气泡、夹杂、裂纹、过热过烧、带状组织、魏氏组织、不均匀分布等情况都可以使冲击功降低,所以同时提高强度和塑性的因素就是提高冲击功的因素之一。根据其他钢厂开发生产高强度船板钢成功的经验,课题围绕着如何改善冲击性能不和缺陷为目的,通过对含铌高强度船板钢的化学成分、金相组织、夹杂物、钢坯加热制度、轧制工艺、轧制温度、冷却速度等工艺参数进行探索,发现了不同工艺指标对含铌高强度船板的组织和冲击性能的影响,基于以上的分析基础,提出了初步的生产工艺优化方案。并通过针对性的分析这些工艺参数,结合实际情况,提出了适合邯钢中板厂的生产工艺和改进措施,来达到改善冲击性能的最终目的,减少含铌高强度船板钢的缺陷发生,提高生产企业的直接经济效益和间接社会效益。
High strength is the one of the most important development of the ship plate steel. Last century end,the usajapan,Russia and france one after another exploited the steel type which intensity is 900MPa,while china exploited it with 330、390、590、785MPa.And the ship plate steel is the most important metallica in making ship plate.It is necessary for making sure safety sailing and responsibility of the ship,with well tenacity,ductility,intensity, fatigue resistance,and resistance sea-corrosion,and especially welding performance. As a evident defect,substandard impact performance influence all kinds of high strength ship plate's well performances seriously.
This topic attempts to find the reason why the high strength ship plate's im pact performance is substandard by analyzing what comes from Han-Steel mediu m plate plant.The interior defect of steels can reduce AK,such as segregation,bub ble,inclusion,flaw,overheated,overburned,banded orientation,widmanstattenstructure a nd uneven distribute,so enhancing intensity and plastic at the same time is one o f the factor to enhance AK. On the basis of the experience of other steel works exploiting and developing high strength ship steel plates,this topic finds the influ ence of impact performance tissues and impact performance from different techno logy peremeter,arounding how to improve the defect in chemicalcomposition,metal lographic structure,inclusion, billet heating system, rolling process, rolling tempera ture, cooling rate,and so on. Based on the above analysis,it puts forward element ary production process optimization scheme.And through targeted analysis of thes e parameters, combined with the actual situation, put forward for Han-Steel medi um plate plant production process and improve the measures to achieve the ulti mate goal of improving the impact porformance, to reduce high-strength ship plat e steel with Nb defects,enhances direct economic benefit of enterprises improve productivity and indirect social benefits.
引文
[1]Mukherjee K,Hazra S,Militzer M.Deformation-induced ferrite transformation in dual-phase steels[C].The Joint International Conference of HSLA Steels2005 and ISUGS 2005.Hainan:CSM,2005:949-953.
[2]许荣昌.船板钢的发展与技术[J].莱钢科技,2007,(02)：5-9.
[3]倪志军,张向葵.采用TMCP工艺对高强度船体结构钢EH50的研究与开发[J].钢铁,2009,44(05)：48-51.
[4]郭振,温永红,胡水平等.F40高强船板钢组织中针状铁素体形成及细化机制研究[J].材料热处理技术,2008,37(02)：38-41.
[5]孙占.新型EH36船板钢焊接接头组织及力学性能研究[J].安徽工业大学学报,2002,(03).
[6]胡胜亮,李运刚,田薇.新一代超级钢铁材料的研发[J].河北理工学院学报,2005,27(01)：18-22.
[7]周淑梅.循环变形及控制冷却对碳钢组织性能的影响研究[D].北京：北京科技大学,2006.
[8]崔树军.钢铁产业循环经济发展评价与模式研究-以河北省为例[J].河北学刊,2008,28(05)：219-221.
[9]彭晟.高强度船板钢组织性能的研究[D].上海：上海大学,2009.
[10]Sun Z Q,Yang W Y,Qi J J,Hu A M.Deformation enhanced transformation and dynamic recrystallization of ferrite in a low carbon steel during multipass hot deformation.Materials Science & Engineering.2002,334(9):201.
[11]芮孟暧.高强度船体钢及其超细晶强化工艺研究[D].上海海事大学,2006.
[12]闫智平,刘晶志,麻庆申.高强船板的研制[J].山东冶金,2004,(S1).
[13]赵勇,张冰,张中东.D36高强度结构船板研制与开发[J].安徽冶金科技职业学院学报,2004,(04).
[14]申少华,刘国林,韦弦,段贵生,方克明.化学成分对中厚钢板冷弯性能的影响[J].河南冶金,2004,(06).
[15]李雪良.船体板的屈曲和极限强度分析[D].武汉理工大学,2004.
[16]刘阳春,刘海洋,高金成.微合金化技术及其应用[J].江苏冶金,2001,29(06)： 27-29.
[17]Joonoh Moon,Sanghoon Kim,Hongdhul Jeong,et al.Influence of Nb addition on the particle coarsening and microstructure steel weldHAZ[J].Materials Science and Engineering A,2007,454-455:648-653.
[18]Li QMaccagno T M,Bai D Q,et al.Effect of initial grain size on the static r ecrystallization kinetics of Nb microalloyed steels.ISIJInt,1996,36(12):1479.
[19]B.Dutta, E.J.Palmiere and C.M.Sellars.Modelling the kinetics of strain induced precipitation in Nb microalloyed steels.Acta Materialia,2001,49(5):785-794.
[20]K. B. Kang O. Kwon W. B. Lee and C. G. Park. Effect of precipitation on the recrystallization behavior of a Nb containing steel.Scripta Materialia,1997,36 (11):1303-1308.
[21]Pereloma E V,Crawford B R,Hodgson P D. Strain-induced precipitation behaviour in hot rolled strip steel[J].Materials Science&Engineering A.2001,299:27-37.
[22]Palmiere E J,Garcia C I,de Ardo A J.The influence of niobium supersaturation in austenite on the static recrystallization behavior of low carbon microalloyed steels.Metallurgical Transactions A.1996,27A(3):951-959.
[23]Cobo S J,and Sellars C M.Microstructural Evolution of Austenite under Conditions Simulating Thin Slab Casting and Hot Direct Rolling [J].Ironmak.Steelmak,2001, 28(3):230-236.
[24]Minami K,Siciliano Jr F,Macagno T M,et al.Mathematical modeling of mean flow stress during the hot strip rolling of Nb steels.ISIJ International.1996,36 (12):1507.
[25]Zurob H S,Hutchinson C R,Brechet Y,et al.Rationalization of the softening an d recrystallization behaviour of microalloyed austenite using mechanism maps. Materials Science and Engineering A.2004,(382):64-81.
[26]BEYNON John H,SELLARS C.Modeling Microstructure and Its Effects during Multipass Hot Rolling.ISIJ International.1992,32(3):359-367.
[27]Medina S F,Mancilla J E.Influence of alloying elementsin solution onstatic re crystallization kinetics of hot deformedsteels.ISIJ Int,1996,36(8):1063.
[28]薛春芳,王新华,胡贻苏.控轧控冷工艺对含铌微合金钢组织性能的影响[J].热加工工艺,2003,(03).
[29]李焰峰.新型F40船板钢焊接接头组织及力学性能研究[J].钢铁,2008,(02).
[30]马占福.控制轧制和轧后控冷对钢材组织及性能影响的研究[D].西安建筑科技大学,2004.
[31]周兰聚.控轧控冷与正火工艺对Q370qE钢板组织性能影响的研究[D].山东大学,2006.
[32]宋晓菊.高强度船板控轧控冷替代正火工艺的应用基础研究[D].重庆大学,2003.
[33]吴德强,胡昌宗,黄波.新钢宽厚板生产工艺特点[J].钢铁技术,2006,(01)：29-32.
[34]Tani T,Kobayashi Y,Ohe KI,et al. Effects ofresidual stress con-trolled TMCP steel plateon accuracy of ship blocks:(3rd report)influence of residual stress of TMCP steel plate on precision of FCBwelding[C].Journal of the Society of Naval Architects of Japan,2002:619-627.
[35]郭振.F40级船体用钢的生产工艺及断裂性能研究[J].北京科技大学学报,2005,(03).
[36]赵文忠.490MPa级非调制低焊接裂纹敏感性高强钢板研究开发[J].冶金丛刊,2006,(04).
[37]曲占元.某船板钢侵彻的变形与断裂行为研究[D]. 哈尔滨工程大学,2003.
[38]张向葵.TMCP工艺生产超高强度船体结构钢EH50的研究[J].钢铁,2005.
[39]顾林豪,隋鹤龙,王彦峰.Q345E厚板低温冲击性能不合原因分析与对策[J].轧钢,2009,26(05)：55-58.
[40]欧阳琦,王秀梅,曾强国.不同温度下主要元素对船板钢Ak值的影响[J].河南冶金,2001,(01).
[41]柳德橹,邵伟然,孙贤文.钢的表面带状组织及其引起的冷弯裂纹[J].北京科技大学学报,2005,27(01)：40-44.
[42]许海平,张玉柱,张志杰.高强度船板钢A36的化学成分设计和控制轧制工艺分析[J].河北冶金,2006,(06).
[43]侯登义,徐洪庆,宋国栋.控轧控冷工艺生产：D36高强度船板钢的生产工艺研究[J].宽厚板,2007,(04).
[44]邢相勤,王建刚,宋振官.EH36船板钢形变奥氏体动态再结晶行为的研究[J].鞍钢技术,2006,(03).
[45]王洪,刘小林,唐荻,蔡庆伍.D36高强度船板钢的生产工艺[J].北京科技大学学报,2005,(05).
[46]吴巍,王春怀,干勇,何宇明,朱斌.含铌、钛船板钢中板表面微裂纹研究[J].钢铁,2002,(07).
[47]周兰聚,徐洪庆,邢相勤,刘玉珍.济钢中板厂提高船板质量的措施及效果[J].轧钢,2000,(06).
[2]许荣昌.船板钢的发展与技术[J].莱钢科技,2007,(02)：5-9.
[3]倪志军,张向葵.采用TMCP工艺对高强度船体结构钢EH50的研究与开发[J].钢铁,2009,44(05)：48-51.
[4]郭振,温永红,胡水平等.F40高强船板钢组织中针状铁素体形成及细化机制研究[J].材料热处理技术,2008,37(02)：38-41.
[5]孙占.新型EH36船板钢焊接接头组织及力学性能研究[J].安徽工业大学学报,2002,(03).
[6]胡胜亮,李运刚,田薇.新一代超级钢铁材料的研发[J].河北理工学院学报,2005,27(01)：18-22.
[7]周淑梅.循环变形及控制冷却对碳钢组织性能的影响研究[D].北京：北京科技大学,2006.
[8]崔树军.钢铁产业循环经济发展评价与模式研究-以河北省为例[J].河北学刊,2008,28(05)：219-221.
[9]彭晟.高强度船板钢组织性能的研究[D].上海：上海大学,2009.
[10]Sun Z Q,Yang W Y,Qi J J,Hu A M.Deformation enhanced transformation and dynamic recrystallization of ferrite in a low carbon steel during multipass hot deformation.Materials Science & Engineering.2002,334(9):201.
[11]芮孟暧.高强度船体钢及其超细晶强化工艺研究[D].上海海事大学,2006.
[12]闫智平,刘晶志,麻庆申.高强船板的研制[J].山东冶金,2004,(S1).
[13]赵勇,张冰,张中东.D36高强度结构船板研制与开发[J].安徽冶金科技职业学院学报,2004,(04).
[14]申少华,刘国林,韦弦,段贵生,方克明.化学成分对中厚钢板冷弯性能的影响[J].河南冶金,2004,(06).
[15]李雪良.船体板的屈曲和极限强度分析[D].武汉理工大学,2004.
[16]刘阳春,刘海洋,高金成.微合金化技术及其应用[J].江苏冶金,2001,29(06)： 27-29.
[17]Joonoh Moon,Sanghoon Kim,Hongdhul Jeong,et al.Influence of Nb addition on the particle coarsening and microstructure steel weldHAZ[J].Materials Science and Engineering A,2007,454-455:648-653.
[18]Li QMaccagno T M,Bai D Q,et al.Effect of initial grain size on the static r ecrystallization kinetics of Nb microalloyed steels.ISIJInt,1996,36(12):1479.
[19]B.Dutta, E.J.Palmiere and C.M.Sellars.Modelling the kinetics of strain induced precipitation in Nb microalloyed steels.Acta Materialia,2001,49(5):785-794.
[20]K. B. Kang O. Kwon W. B. Lee and C. G. Park. Effect of precipitation on the recrystallization behavior of a Nb containing steel.Scripta Materialia,1997,36 (11):1303-1308.
[21]Pereloma E V,Crawford B R,Hodgson P D. Strain-induced precipitation behaviour in hot rolled strip steel[J].Materials Science&Engineering A.2001,299:27-37.
[22]Palmiere E J,Garcia C I,de Ardo A J.The influence of niobium supersaturation in austenite on the static recrystallization behavior of low carbon microalloyed steels.Metallurgical Transactions A.1996,27A(3):951-959.
[23]Cobo S J,and Sellars C M.Microstructural Evolution of Austenite under Conditions Simulating Thin Slab Casting and Hot Direct Rolling [J].Ironmak.Steelmak,2001, 28(3):230-236.
[24]Minami K,Siciliano Jr F,Macagno T M,et al.Mathematical modeling of mean flow stress during the hot strip rolling of Nb steels.ISIJ International.1996,36 (12):1507.
[25]Zurob H S,Hutchinson C R,Brechet Y,et al.Rationalization of the softening an d recrystallization behaviour of microalloyed austenite using mechanism maps. Materials Science and Engineering A.2004,(382):64-81.
[26]BEYNON John H,SELLARS C.Modeling Microstructure and Its Effects during Multipass Hot Rolling.ISIJ International.1992,32(3):359-367.
[27]Medina S F,Mancilla J E.Influence of alloying elementsin solution onstatic re crystallization kinetics of hot deformedsteels.ISIJ Int,1996,36(8):1063.
[28]薛春芳,王新华,胡贻苏.控轧控冷工艺对含铌微合金钢组织性能的影响[J].热加工工艺,2003,(03).
[29]李焰峰.新型F40船板钢焊接接头组织及力学性能研究[J].钢铁,2008,(02).
[30]马占福.控制轧制和轧后控冷对钢材组织及性能影响的研究[D].西安建筑科技大学,2004.
[31]周兰聚.控轧控冷与正火工艺对Q370qE钢板组织性能影响的研究[D].山东大学,2006.
[32]宋晓菊.高强度船板控轧控冷替代正火工艺的应用基础研究[D].重庆大学,2003.
[33]吴德强,胡昌宗,黄波.新钢宽厚板生产工艺特点[J].钢铁技术,2006,(01)：29-32.
[34]Tani T,Kobayashi Y,Ohe KI,et al. Effects ofresidual stress con-trolled TMCP steel plateon accuracy of ship blocks:(3rd report)influence of residual stress of TMCP steel plate on precision of FCBwelding[C].Journal of the Society of Naval Architects of Japan,2002:619-627.
[35]郭振.F40级船体用钢的生产工艺及断裂性能研究[J].北京科技大学学报,2005,(03).
[36]赵文忠.490MPa级非调制低焊接裂纹敏感性高强钢板研究开发[J].冶金丛刊,2006,(04).
[37]曲占元.某船板钢侵彻的变形与断裂行为研究[D]. 哈尔滨工程大学,2003.
[38]张向葵.TMCP工艺生产超高强度船体结构钢EH50的研究[J].钢铁,2005.
[39]顾林豪,隋鹤龙,王彦峰.Q345E厚板低温冲击性能不合原因分析与对策[J].轧钢,2009,26(05)：55-58.
[40]欧阳琦,王秀梅,曾强国.不同温度下主要元素对船板钢Ak值的影响[J].河南冶金,2001,(01).
[41]柳德橹,邵伟然,孙贤文.钢的表面带状组织及其引起的冷弯裂纹[J].北京科技大学学报,2005,27(01)：40-44.
[42]许海平,张玉柱,张志杰.高强度船板钢A36的化学成分设计和控制轧制工艺分析[J].河北冶金,2006,(06).
[43]侯登义,徐洪庆,宋国栋.控轧控冷工艺生产：D36高强度船板钢的生产工艺研究[J].宽厚板,2007,(04).
[44]邢相勤,王建刚,宋振官.EH36船板钢形变奥氏体动态再结晶行为的研究[J].鞍钢技术,2006,(03).
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