含铬管线钢的显微组织和力学性能
Microstructure and Mechanical Properties of Cr Containing Pipeline Steel
摘 要
采用光学显微镜、扫描电镜、拉伸试验机和冲击试验机等对新开发的耐CO2腐蚀、含铬(1%~5%)管线钢的显微组织和力学性能进行了研究,分析了铬含量对其组织和性能的影响.结果表明:铬元素的添加明显改变了管线钢的组织,随铬含量增加,管线钢的组织由铁素体-珠光体转变为贝氏体;含铬管线钢的硬度、强度和韧脆转变温度随铬含量增加而提高,而塑性和韧性则下降;在很宽的温度范围内(高于-120 ℃),铬含量为1%和3%管线钢的冲击韧性优于X65钢的.
显微组织
显微硬度
强度
冲击韧性
Cr containing pipeline steel
microstructure
micro-hardness
strength
impact toughness
Abstract
Microstructure and mechanical properties of a new developed CO2 corrosion resistant Cr containing (1wt%-5wt%)pipeline steel were investigated by optical microscope,scanning electron microscope,tensile tester and impact tester.The effect of the Cr content on microstructure and properties was studied.The results show that adding Cr element changed the microstructure of the steel from ferrite-pearlite to bainite with increasing the Cr content.The hardness,strength and ductile-brittle transition temperature increased with increasing the Cr content,while the ductility and toughness decreased.The impact toughness of the steels containing 1% and 3% Cr was superior to that of the X65 steel in a wide temperature range (above -120 ℃).
中图分类号 TG146.2
所属栏目 材料性能及其应用
基金项目 国家科技重大专项资助项目(2008ZX05026);北京市教育委员会共建项目(SYS100080419)
收稿日期 2009/12/21
修改稿日期 2010/6/30
网络出版日期
作者单位点击查看
备注胡丽华(1980-),女,广西玉林人,博士研究生.
引用该论文: HU Li-hua,YU Man-li,CHANG Wei,ZHANG Lei,LU Min-xu. Microstructure and Mechanical Properties of Cr Containing Pipeline Steel[J]. Materials for mechancial engineering, 2010, 34(12): 51～54
胡丽华,俞曼丽,常炜,张雷,路民旭. 含铬管线钢的显微组织和力学性能[J]. 机械工程材料, 2010, 34(12): 51～54
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
参考文献
【1】张忠铧,黄子阳,孙元宁,等.3Cr抗CO2和H2S腐蚀系列油套管开发[J].宝钢技术,2006(3):5-8.
【2】孙建波,柳伟,常炜,等.低铬X65管线钢CO2腐蚀产物膜的特征及形成机制[J].金属学报,2009,45(1):84-90.
【3】MURAKI T,NOSE K,ASAHI H.Development of 3% chromium linepipe steel[C]//The 58th NACE Annual Conference.Houston:NACE,2003.
【4】CARVALHO D S,JOIA C J B,MATTOS O R.Corrosion rate of iron and iron–chromium alloys in CO2 medium[J].Corrosion Science,2005,47(12):2974-2986.
【5】赵国仙,陈长风,路民旭.添加Cr对碳钢在CO2水溶液中耐蚀性的影响[J].材料保护,2002,35(8):15-19.
【6】刘云旭.金属热处理原理[M].北京:机械工业出版杜,1981:140-141.
【7】钟群鹏,赵子华.断口学[M].北京:高等教育出版社,2006:137-145.
【2】孙建波,柳伟,常炜,等.低铬X65管线钢CO2腐蚀产物膜的特征及形成机制[J].金属学报,2009,45(1):84-90.
【3】MURAKI T,NOSE K,ASAHI H.Development of 3% chromium linepipe steel[C]//The 58th NACE Annual Conference.Houston:NACE,2003.
【4】CARVALHO D S,JOIA C J B,MATTOS O R.Corrosion rate of iron and iron–chromium alloys in CO2 medium[J].Corrosion Science,2005,47(12):2974-2986.
【5】赵国仙,陈长风,路民旭.添加Cr对碳钢在CO2水溶液中耐蚀性的影响[J].材料保护,2002,35(8):15-19.
【6】刘云旭.金属热处理原理[M].北京:机械工业出版杜,1981:140-141.
【7】钟群鹏,赵子华.断口学[M].北京:高等教育出版社,2006:137-145.
相关信息
