黄超,张丹,王威,周乐育,张朝磊,刘雅政

• 1:北京科技大学材料科学与工程学院

摘要(Abstract)：

通过光学显微镜(OM)、扫描电镜(SEM)观察及硬度测试,研究了加热温度和保温时间对轴承钢GCr15Si Mn碳化物回溶的影响。结果表明,随加热温度升高和保温时间延长,碳化物回溶加剧,组织显微硬度升高,且加热温度影响较保温时间更为明显;碳化物形态变化趋势为:层片状(或网状)→杆棒状→球状,部分完全溶入基体,但在实验条件下碳化物不能完全回溶;奥氏体优先在铁素体和渗碳体两相界面处形核,层片状珠光体向奥氏体转变过程极其快速。

关键词(KeyWords)： 高碳铬轴承钢;奥氏体化;珠光体;显微硬度;碳化物回溶

Abstract:

Keywords:

基金项目(Foundation): “十二五”国家“863”计划项目(2012AA03A503)

作者(Author): 黄超,张丹,王威,周乐育,张朝磊,刘雅政

DOI: 10.13289/j.issn.1009-6264.2015.04.027

参考文献(References)：

• [1]仇亚军,叶健熠,张娟娟.GCr15钢网状碳化物对其冲击性能的影响[J].轴承,2008(4):28-31.QIU Ya-jun,YE Jian-yi,ZHANG Juan-juan.Inflence of network carbide on impact property of steel GCr15[J].Bearing,2008(4):28-31.
• [2]Stickels C A.Carbide refining heat treatments for 52100 bearing steel[J].Metallurgical Transactions,1974,5(4):865-874.
• [3]Zhang C,Zhou L,Liu X,et al.Reverse transformation from ferrite/pearlite to austenite and its influence on structure inheritance in spring steel60Si2Mn A[J].Steel Research International,2014,85(10):1-6.
• [4]Azizi-Alizamini H,Militzer M,Poole W J.Austenite formation in plain low-carbon steels[J].Metal and Mater Trans A,2011,42(6):1544-1557.
• [5]刘宗昌,任慧平,王海燕.奥氏体形成与珠光体转变[M].北京:冶金工业出版社,2010.
• [6]Shtansky D V,Nakai K,Ohmori Y.Pearlite to austenite transformation in an Fe-2.6Cr-1C alloy[J].Acta Materialia,1999,47(9):2619-2632.
• [7]李彦军,姜启川,赵宇光,等.变质M2高速钢中共晶碳化物加热团球化的动力学研究[J].金属学报,1999,35(2):207-210.LI Yan-jun,JIANG Qi-chuan,ZHAO Yu-guang,et al.A dynamic study on the spheroidizing of eutectic carbide in the modified M2 steel[J].Acta Metall Sin,1999,35(2):207-210.
• [8]李昭东,宫本吾郎,杨志刚,等.Mn和Si对Fe-0.6C钢中珠光体-奥氏体相变的影响[J].金属学报,2010,46(9):1066-1074.LI Zhao-dong,MIYAMOTO Goro,YANG Zhi-gang,et al.Effects of Mn and Si additions on pearlite-austenite phase transformation in Fe-0.6C steel[J].Acta Metall Sin,2010,46(9):1066-1074.
• [9]杨泽南,杨志刚,夏苑,等.层片状珠光体组织奥氏体化速率的计算[J].金属学报,2013,49(7):890-896.YANG Ze-nan,YANG Zhi-gang,XIA yuan,et al.Calculation of austenization rate of lamellar pearlite[J].Acta Metall Sin,2013,49(7):890-896.
• [10]Zhao L,Vermolen F J,Sietsma J,et al.Cementite dissolution at 860 C in an Fe-Cr-C steel[J].Metal and Mater Trans A,2006,37(6):1841-1850.
• [11]Kang J H,Rivera-Diaz-del-Castillo P E J.Carbide dissolution in bearing steels[J].Computational Materials Science,2013(67):364-372.
• [12]钟顺思,王昌生.轴承钢[M].北京:冶金工业出版社,2000.
• [13]刘雅政,周乐育,张朝磊,等.重大装备用高品质轴承用钢的发展及其质量控制[J].钢铁,2013,48(8):1-8.LIU Ya-zheng,ZHOU Le-yu,ZHANG Chao-lei,et al.Development and quality control of bearing steel for heavy equipment[J].Iron and Steel,2013,48(8):1-8.
• [14]叶健熠,李元侦,王智勇.三种高淬透性轴承钢的主要工艺与性能对比分析[J].金属加工,2010(15):16-21.YE Jian-yi,LI Yuan-zhen,WANG Zhi-yong.Comparison of main process and performance between three kinds of high hardenability bearing steel[J].Metal Processing,2010(15):16-21.
• [15]张克军.高碳钢淬火后残留奥氏体相对含量对硬度的影响[J].四川冶金,1995,17(2):55-57.ZHANG Ke-jun.Effect of residual austenite content on hardness of high carbon steel after quenching[J].Sichuan Metallurgy,1995,17(2):55-57.
• [16]王学前,王彦平.高碳钢中残余奥氏体形态控制与利用[J].金属热处理学报,1996(2):17-21.WANG Xue-qian,WANG Yan-ping.Morphology control and utilization of high carbon residual austenite[J].Transactions of Metal Heat Treatment,1996(2):17-21.
• [17]韩强,张丹,霍朝霞,等.变形量和冷却速度对盾构机轴承用钢GCr15Si Mn相变规律的影响[C]//中国金属学会.第九届中国钢铁年会论文集,北京:冶金工业出版社,2013:1-5.HAN Qiang,ZHANG Dan,HUO Zhao-xia,et al.Effect of deformation and cooling rate on continuous cooling transformation of GCr15Si Mn steel for shield bearing[C]//The Chinese Society for Metals.Ninth China Steel Conference,Beijing:Metallurgical Industry Press,2013:1-5.

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