材料研究学报  2006, Vol. 20 Issue (3): 240-244

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低碳钢超细晶铁素体的形成

崔文芳　 刘春明　 吴江华

崔文芳; 刘春明; 吴江华 . 低碳钢超细晶铁素体的形成[J]. 材料研究学报, 2006, 20(3): 240-244.

摘要 参考文献 相关文章 Metrics 全文: PDF(1737 KB)   摘要: 将含碳量(质量分数)为0.057%和0.18%的低碳钢在不同过冷度、变形温度、变形速率和变形量的条件下进行热模拟实验,研究了含碳量和热变形条件对超细晶粒形成的影响.结果表明,变形前快速冷却(20℃/s)至Ar3以上附近温度并进行超过50%变形量的变形,能强烈促进过冷奥氏体形变诱发铁素体相变,铁素体在奥氏体晶内平行的变形带上形核,并发生动态回复和再结晶,从而使组织细化.形变诱发的相变过程由碳的扩散所控制,当钢的含碳量比较高时,小过冷度、大变形量和中等变形速率有利于铁素体相变,晶界碳化物的析出能够抑制铁素体晶粒的长大,因而高碳含量钢表现出更好的细化晶粒效果. Key words： 收稿日期: 1900-01-01      服务 把本文推荐给朋友 加入引用管理器 E-mail Alert RSS 作者相关文章 崔文芳 刘春明 吴江华 44.8K 链接本文: https://www.cjmr.org/CN/Y2006/V20/I3/240 1 DU Zhiming,CHENG Yuansheng,ZHAO Jiuzhou,Thixo- forming of spray deposited AlZn_(12)Cu_2Mg_2 wrough alu- minum alloy in semi-solid state,Transactions of Nonfer- rous Metals Society of China,15(Special 2),152(2005) 2 LUO Shoujing,CHENG Yuansheng,DU Zhiming,Ce- ramics matrix composite thixoforging in pseudo-semisolid state,Transactions of Nonferrous Metals Society of China, 14(8),1286(2004) 3 LUO Shoujing,CHENG Yuansheng,DU Zhiming,Ce- ramic matrix composite thixoforming in pseudo-semi- solid state and its application in satellite angel-frames, Materials and Engineering,10(1),45(2005) (罗守靖,程远胜,杜之明,陶瓷基复合材料伪半固态触变成形及在卫星角框件中的应用,材料工程,10(1),45(2005)) 4 DU Zhiming,CHENG Yuansheng,LUO Shoujing,Ex- perimental study on the thixoforming of high silicon- aluminum alloy and its application in automobile piston, Proceedings of the 8th S2P Advanced Semi-Solid Process- ing of Alloy,9,2004 5 CHENG Yuansheng,DU Zhiming,LUO Shoujing,Rhe- ological behavior of Al_2O_(3n)/Alm composites in pseudo- semi-solid state,Transactions of Nonferrous Metals Soci- ety of China,15(Special 2),142(2005) 6 GUO Ruisong,CUI Yiqiang,YANG Zhengfang,Study on sintering technology of Al_2O_3 ceramic and the improve- ment of performance,Transactions of Inorganic Material, 13(2),239(1998) (郭瑞松,崔一强,杨正方,氧化铝复合陶瓷烧结工艺研究与力学性能改善,无机材料学报,13(2),239(1998)) 7 ZHANG Xihua,ZHANG Jianhua,LIU Changxia,State and development direction of study on Al_2O_3 toughen materials,Transactions of Shandong University,34(5), 14(2004) (张希华,张建华,刘长霞,氧化铝基陶瓷材料增韧研究现状及其发展方向,山东大学学报,34(5),14(2004)) 8 ZHOU Yang,ZHAN Guodong,XU Mingying,Microstruc- ture and toughening theory of Al_2O_3 ceramic matrix com- posite,12(2),161(1997) (周洋,詹国栋,徐明英,氧化铝基陶瓷复合材料的微观结构及增韧机理,无机材料学报,12(2),161(1997)) 9 ZHOU Yang,ZHAN Guodong,XU Mingying,Study on the toughening of Al_2O_3 and Al_2O_3 ceramic matrix com- posite,Journal of Huazhong University Science and Tech- nology,22(12),94(1994) (周洋,詹国栋,徐明英,氧化铝及氧化铝陶瓷基复合材料强韧化的研究,华中理工大学学报,22(12),94(1994)) 10 Rankin D.T.,Stiglich J.J.,Peter D.R.,Hot-Pressing and Mechanical Properties of Al_2O_3 with an co-dispersed phase,J.Am.Ceram.Soc.,54(6),277(1971) 11 Sigl S.L.,Mataga P.A.,Dalgleish B.J.,On the toughness of brittle materials with a ductile phase,Acta Metall.,36(4), 945(1988) 12 Xudong Sun,Yeomans,Ductile phase toughened brittle materials,Mater.Sci.Technol.,12(8),124(1996) 13 Flinn B.,Ruhle M.,Evans A.G.,Toughening in com- posites of Al_2O_3 reinforced with Al,Acta Metall,37(4), 234(1989) No related articles found! Viewed Full text Abstract Cited   Shared      Discussed