Microstructure and Properties of 22Mn2SiVBS Seamless Steel Pipe Treated by Controlling Cooling after Hot Rolling
![](/skin/Gold/line_sep1.gif)
摘 要
设计研发了一种空冷贝氏体钢22Mn2SiVBS,作汽车半轴套管用钢;热轧制成管坯后观察其显微组织.结果表明:在奥氏体晶界处有一定量断续网状铁素体析出,降低了钢的力学性能;钢的组织为均一的贝氏体,抗拉强度900 MPa,硬度301 HB,满足使用要求.通过对试样的重新加热控制冷却试验,分析研究了钢的组织、力学性能和加热控制冷却工艺三者之间的关系,提出了使该钢获得均匀贝氏体和良好力学性能的措施.
![](flash/relate.gif)
![](flash/relate.gif)
![](flash/relate.gif)
![](flash/relate.gif)
![](flash/relate.gif)
![](flash/relate.gif)
Abstract
An air cooled bainitic steel without quenching-tempering treatment,22Mn2SiVBS steel used as semi-axis housing material was designed.By observing the microstructure of the hot rolled tube,certain amount of intermittent reticular ferrite in 22Mn2SiVBS is found near original austenitic grain boundaries,which decrease the mechanical properties of the steel.By reheating samples and controlling cooling rate,the relations of the microstructure,mechanical properties and controlling cooling rate are analyzed,and a measure is put forward to obtain uniform bainite and good mechanical properties under air cooling condition after the steel was rolled.The tensile strength of the steel with uniform bainite is increased to 900 MPa and hardness increased to 301 HB.
中图分类号 TG142.2
所属栏目
基金项目 吉林省重大科技攻关项目(吉科合字2005315)
收稿日期 2006/9/12
修改稿日期 2007/2/1
网络出版日期
![](/skin/blank.gif)
作者单位点击查看
![](/skin/blank.gif)
备注吴化(1957-),男,吉林长春人,教授.
引用该论文: WU Hua,MENG Qing-hong,PIAO Yun-feng,QUAN Ren-ze. Microstructure and Properties of 22Mn2SiVBS Seamless Steel Pipe Treated by Controlling Cooling after Hot Rolling[J]. Materials for mechancial engineering, 2007, 31(7): 1~3
吴化,孟庆宏,朴云峰,权仁泽. 22Mn2SiVBS热轧无缝钢管控冷时的组织与性能[J]. 机械工程材料, 2007, 31(7): 1~3
共有人对该论文发表了看法,其中:
人认为该论文很差
人认为该论文较差
人认为该论文一般
人认为该论文较好
人认为该论文很好
![请选择您对本文的评价](/skin/Gold/evaluation/ev_01.gif)
![您认为本文一无是处!](/skin/Gold/evaluation/ev_02.gif)
![您认为本文较差,没啥用!](/skin/Gold/evaluation/ev_03.gif)
![您认为本文一般,没太大参考价值](/skin/Gold/evaluation/ev_04.gif)
![您认为本文尚可,值得参考](/skin/Gold/evaluation/ev_05.gif)
![您认为本文很好,值得推荐](/skin/Gold/evaluation/ev_06.gif)
参考文献
【1】尚成嘉,王学敏,杨善武,等.高强度低碳贝氏体钢的工艺与组织细化[J].金属学报,2003,39(10):1019-1024.
【2】吴化,刘云旭,赵宇,等.不等截面汽车零件用空冷低合金高强度贝氏体钢的成分设计[J].特殊钢,2002,23(增刊):14-16.
【3】李智,吴蒙华,刘常升,等.控制冷却对贝氏体非调质钢组织与性能的影响[J].金属热处理,2006(1):69-71.
【4】黄进峰,方鸿生,徐平光,等.硅对中低碳贝氏体铸钢组织和性能的影响[J].金属热处理,2000(6):2-5.
【5】Kazuo Yamanaka,Yasuya Ohmori.Effect of boron on transformation of low-carbon low-alloy steels[J].Steel and Iron,1976,7:109-118.
【6】Wu Hua,Liu Cheng,Zhao Zhenbo.Design of air-cooled bainitic microalloyed steel for a heavy truck front axle beam[J].Materials and Design,2006(27):651-656.
【7】张雁,鄂蓓,霍颜秋,等.冷却速度对20Mn2Si1VB贝氏体钢显微组织和力学性能的影响[J].金属热处理,2003(10):19-21.
【8】方鸿生,徐平光,白秉哲,等.一种新的复相组织——仿晶界型铁素体/粒状贝氏体[J].金属热处理,2000(11):1-5.
【9】杨福宝,徐平光,王建平,等.具有仿晶界型铁素体/粒状贝氏体复相组织的大截面钢筋[J].钢铁研究学报,2005(8):68-71.
【10】徐平光,方鸿生,白秉哲,等.仿晶界型铁素体/粒状贝氏体复相组织的韧性[J].金属学报,2002,38(3):255-260.
【11】方鸿生,刘东雨,徐平光,等.贝氏体钢强韧化途径[J].机械工程材料,2001,25(6):1-5.
【2】吴化,刘云旭,赵宇,等.不等截面汽车零件用空冷低合金高强度贝氏体钢的成分设计[J].特殊钢,2002,23(增刊):14-16.
【3】李智,吴蒙华,刘常升,等.控制冷却对贝氏体非调质钢组织与性能的影响[J].金属热处理,2006(1):69-71.
【4】黄进峰,方鸿生,徐平光,等.硅对中低碳贝氏体铸钢组织和性能的影响[J].金属热处理,2000(6):2-5.
【5】Kazuo Yamanaka,Yasuya Ohmori.Effect of boron on transformation of low-carbon low-alloy steels[J].Steel and Iron,1976,7:109-118.
【6】Wu Hua,Liu Cheng,Zhao Zhenbo.Design of air-cooled bainitic microalloyed steel for a heavy truck front axle beam[J].Materials and Design,2006(27):651-656.
【7】张雁,鄂蓓,霍颜秋,等.冷却速度对20Mn2Si1VB贝氏体钢显微组织和力学性能的影响[J].金属热处理,2003(10):19-21.
【8】方鸿生,徐平光,白秉哲,等.一种新的复相组织——仿晶界型铁素体/粒状贝氏体[J].金属热处理,2000(11):1-5.
【9】杨福宝,徐平光,王建平,等.具有仿晶界型铁素体/粒状贝氏体复相组织的大截面钢筋[J].钢铁研究学报,2005(8):68-71.
【10】徐平光,方鸿生,白秉哲,等.仿晶界型铁素体/粒状贝氏体复相组织的韧性[J].金属学报,2002,38(3):255-260.
【11】方鸿生,刘东雨,徐平光,等.贝氏体钢强韧化途径[J].机械工程材料,2001,25(6):1-5.
相关信息