12Mn钢圆坯的高温力学性能
|
摘要
采用Gleeble-1500D热/力模拟试验机,测试了12 Mn钢圆坯的高温力学性能,获得600～1 300℃范围内铸坯的抗拉强度、断面收缩率以及应力-应变曲线。结果表明,12 Mn钢圆坯的抗拉强度较好,650℃时其值为275 MPa,抗拉强度随温度的升高而降低;圆坯第Ⅲ脆性区较宽,温度范围为600～1 000℃,在其温度范围内断面收缩率小于60%;12 Mn圆坯在不同温度下的应力随应变先升高后降低,最后趋于水平。最后采用Thermal-cal软件对第Ⅲ脆性区析出相进行了验证。
The high-temperature mechanical properties of 12 Mn steel round billet were tested by using a Gleeble-1500 D thermal/force simulation tester.Tensile strength,the reduction of area(ψ) and stress-strain curve in the range of 600～1 300 ℃were obtained.The results show that of 12 Mn steel round billet has high strength.The tensile strength at 650 ℃ is 275 MPa,and it decreases with increasing temperature.The third brittleness temperature zone of the round billet is wide with temperature range at 600～750 ℃,and the reduction of area(ψ) in the temperature range is less than 60 %.The stress of the 12 Mn round billet at different temperatures increases firstly with the strain and then decreases,and finally tends to be stable.Finally,the precipitation phase of the III brittle zone was verified by Thermal-cal software.
The high-temperature mechanical properties of 12 Mn steel round billet were tested by using a Gleeble-1500 D thermal/force simulation tester.Tensile strength,the reduction of area(ψ) and stress-strain curve in the range of 600～1 300 ℃were obtained.The results show that of 12 Mn steel round billet has high strength.The tensile strength at 650 ℃ is 275 MPa,and it decreases with increasing temperature.The third brittleness temperature zone of the round billet is wide with temperature range at 600～750 ℃,and the reduction of area(ψ) in the temperature range is less than 60 %.The stress of the 12 Mn round billet at different temperatures increases firstly with the strain and then decreases,and finally tends to be stable.Finally,the precipitation phase of the III brittle zone was verified by Thermal-cal software.
引文
[1]Wang Weiyong,Liu Bing,Li Guoqiang.Experimental study on high temperature mechanical properties of high strength Q460 steel[J].Journal of Disaster Prevention and Mitigation Engineering,2012(s1):34-39.(王卫永,刘兵,李国强.高强度Q460钢材高温力学性能试验研究[J].防灾减灾工程学报,2012(s1):34-39.)
[2]Qiang X,Bijlaard F,Kolstein H.Dependence of mechanical properties of high strength steel s690 on elevated temperatures[J].Construction and Building Materials,2012,30:73-79.
[3]European Committee for Standardization(ECS).Eurocode3:Design of steel structures[S].Part1.2:Structural Fire Design,EN1993-1-2.Brussels:2005.
[4]AISC.Specification for structural steel buildings[R].Chicago:American Institutionof Steel Construction,2005.
[5]Australian Standards:Steel structures[S].AS 4100.Sydney,Australia;1998.
[6]Li Guoqiang,Chen Kai,Jiang Shouchao,et al.Experimental study on material properties of Q345 steel at high temperature[J].Building Construction,2001(1):53-55.(李国强,陈凯,蒋首超,等.高温下Q345钢的材料性能试验研究[J].建筑结构,2001(1):53-55.)
[7]Chen Kai.Study on fire resistance performance and practical design method of variable section portal steel frame structure[D].Shanghai:Tongji University,2000.(陈凯.变截面门式钢刚架结构抗火性能及实用设计方法研究[D].上海:同济大学,2000.)
[8]Gan Yong.Practical handbook of modern continuous casting steel[M].Beijing:Metallurgical Industry Press,2010.(干勇.现代连续铸钢实用手册[M].北京:冶金工业出版社,2010.)
[9]Ha Kuanfu.Microscopic theory of mechanical properties of metals[M].Beijing:Science Press,1983.(哈宽富.金属力学性质的微观理论[M].北京:科学出版社,1983.)
[10]Zhu Liguang,Lu Wengang.Study on high temperature mechanical properties of GCr15 bearing steel[J].Special Steel,2007,28(4):7-9.(朱立光,路文刚.GCr15轴承钢高温力学性能的研究[J].特殊钢,2007,28(4):7-9.)
[11]Wu Guangliang,Sun Yanhui,Zhou Chunquan,et al.Experimental study on high temperature mechanical properties of CSP slab(Q235B)[J].Iron and Steel,2006,41(5):73-77.(吴光亮,孙彦辉,周春泉,等.CSP板坯(Q235B)高温力学性能试验研究[J].钢铁,2006,41(5):73-77.)
[12]Cai Kaike,Cheng Shifu.Principles and processes of continuous casting steel[M].Beijing:Metallurgical Industry Press,1994.(蔡开科,程士富.连续铸钢原理与工艺[M].北京:冶金工业出版社,1994.)
[13]Lankford W T.Some considerations of strength and ductility in the continuous-casting process[J].Metallurgical Transactions,1972,3(6):1331-1357.
[14]Dang Zijiu,Cai Kaike,Zhang Yan,et al.High temperature mechanical properties of continuous casting billet[J].Journal of University of Science and Technology Beijing,1993,15(S2):24-26.(党紫九,蔡开科,张艳,等.连铸坯高温力学性能专辑[J].北京科技大学学报,1993,15(S2):24-26.)
[15]Tai Yanfeng,Jiang Laizhu,Tang Hongmei,et al.Study on thermal deformation of as-cast microstructure of duplex stainless steel2205[J].Journal of Iron and Steel Research,2010,22(8):45.(泰焰锋,江来珠,棠红梅,等.双相不锈钢2205铸态组织的热变形研究[J].钢铁研究学报,2010,22(8):45.)
[16]Wu Yingjie,Shen Peng,Zhou Yong.Study on high temperature deformation behavior of 1Cr22Mn15N stainless steel[J].Large Castings,2009(5):11-13.(武英杰,申鹏,周勇.1Cr22Mn15N不锈钢的高温变形行为研究[J].大型铸锻件,2009(5):11-13.)
[17]Wang Yingchun,Zhang Li,Fang Yuan.Study on as-cast high temperature mechanical properties of thin slab[J].Steelmaking,2008,24(5):40-44.(王迎春,张立,方园.薄板坯的铸态高温力学性能研究[J].炼钢,2008,24(5):40-44.)
[2]Qiang X,Bijlaard F,Kolstein H.Dependence of mechanical properties of high strength steel s690 on elevated temperatures[J].Construction and Building Materials,2012,30:73-79.
[3]European Committee for Standardization(ECS).Eurocode3:Design of steel structures[S].Part1.2:Structural Fire Design,EN1993-1-2.Brussels:2005.
[4]AISC.Specification for structural steel buildings[R].Chicago:American Institutionof Steel Construction,2005.
[5]Australian Standards:Steel structures[S].AS 4100.Sydney,Australia;1998.
[6]Li Guoqiang,Chen Kai,Jiang Shouchao,et al.Experimental study on material properties of Q345 steel at high temperature[J].Building Construction,2001(1):53-55.(李国强,陈凯,蒋首超,等.高温下Q345钢的材料性能试验研究[J].建筑结构,2001(1):53-55.)
[7]Chen Kai.Study on fire resistance performance and practical design method of variable section portal steel frame structure[D].Shanghai:Tongji University,2000.(陈凯.变截面门式钢刚架结构抗火性能及实用设计方法研究[D].上海:同济大学,2000.)
[8]Gan Yong.Practical handbook of modern continuous casting steel[M].Beijing:Metallurgical Industry Press,2010.(干勇.现代连续铸钢实用手册[M].北京:冶金工业出版社,2010.)
[9]Ha Kuanfu.Microscopic theory of mechanical properties of metals[M].Beijing:Science Press,1983.(哈宽富.金属力学性质的微观理论[M].北京:科学出版社,1983.)
[10]Zhu Liguang,Lu Wengang.Study on high temperature mechanical properties of GCr15 bearing steel[J].Special Steel,2007,28(4):7-9.(朱立光,路文刚.GCr15轴承钢高温力学性能的研究[J].特殊钢,2007,28(4):7-9.)
[11]Wu Guangliang,Sun Yanhui,Zhou Chunquan,et al.Experimental study on high temperature mechanical properties of CSP slab(Q235B)[J].Iron and Steel,2006,41(5):73-77.(吴光亮,孙彦辉,周春泉,等.CSP板坯(Q235B)高温力学性能试验研究[J].钢铁,2006,41(5):73-77.)
[12]Cai Kaike,Cheng Shifu.Principles and processes of continuous casting steel[M].Beijing:Metallurgical Industry Press,1994.(蔡开科,程士富.连续铸钢原理与工艺[M].北京:冶金工业出版社,1994.)
[13]Lankford W T.Some considerations of strength and ductility in the continuous-casting process[J].Metallurgical Transactions,1972,3(6):1331-1357.
[14]Dang Zijiu,Cai Kaike,Zhang Yan,et al.High temperature mechanical properties of continuous casting billet[J].Journal of University of Science and Technology Beijing,1993,15(S2):24-26.(党紫九,蔡开科,张艳,等.连铸坯高温力学性能专辑[J].北京科技大学学报,1993,15(S2):24-26.)
[15]Tai Yanfeng,Jiang Laizhu,Tang Hongmei,et al.Study on thermal deformation of as-cast microstructure of duplex stainless steel2205[J].Journal of Iron and Steel Research,2010,22(8):45.(泰焰锋,江来珠,棠红梅,等.双相不锈钢2205铸态组织的热变形研究[J].钢铁研究学报,2010,22(8):45.)
[16]Wu Yingjie,Shen Peng,Zhou Yong.Study on high temperature deformation behavior of 1Cr22Mn15N stainless steel[J].Large Castings,2009(5):11-13.(武英杰,申鹏,周勇.1Cr22Mn15N不锈钢的高温变形行为研究[J].大型铸锻件,2009(5):11-13.)
[17]Wang Yingchun,Zhang Li,Fang Yuan.Study on as-cast high temperature mechanical properties of thin slab[J].Steelmaking,2008,24(5):40-44.(王迎春,张立,方园.薄板坯的铸态高温力学性能研究[J].炼钢,2008,24(5):40-44.)
© 2004-2018 中国地质图书馆版权所有 京ICP备05064691号 京公网安备11010802017129号 地址：北京市海淀区学院路29号 邮编：100083 电话：办公室：(+86 10)66554848；文献借阅、咨询服务、科技查新：66554700 |