贾敏,刘靖,韩静涛

• 1:北京科技大学材料科学与工程学院

摘要(Abstract)：

采用正交实验模拟了不同加热制度下的LX72A钢的表面脱碳实验,结合光学显微观察测定脱碳层深度,研究了预热温度、预热时间、均热温度和均热时间对LX72A钢表面脱碳的影响。在Gleeble-3500热模拟试验机上模拟分析了不同变形温度和吐丝温度对LX72A钢的组织性能影响。结果表明,均热温度对表面脱碳的影响远大于其他因素。变形温度愈高,索氏体化率越高,片层间距愈小,硬度增加。提高吐丝温度有利于索氏体化率的增高以及片层间距的减小,但是当超过900℃,生成了强度更高的屈氏体。

关键词(KeyWords)： LX72A钢;温度制度;表面脱碳;微观组织

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 贾敏,刘靖,韩静涛

DOI: 10.13289/j.issn.1009-6264.2016.04.029

参考文献(References)：

• [1]李万象,王仁贵,关勇.鞍钢轮胎帘线钢线材的发展[J].钢铁,2006,41(8):34-36.LI Wan-xiang,WANG Ren-gui,GUAN Yong.Production of tire cord steel wire at Angang[J].Iron and Steel,2006,41(8):34-36.
• [2]张熹,王春旭,史庆南.子午线轮胎钢帘线用钢丝的工艺现状[J].钢铁研究学报,2007,19(1):1-5.ZHANG Xi,WANG Chun-xu,SHI Qing-nan.Technological situation of steel sire for steel cord of radial tire[J].Journal of Iron and Steel Research,2007,19(1):1-5.
• [3]李大航,刘雅政,肖金福.控轧控冷工艺参数对高碳钢SWRH77B组织的影响[J].武汉科技大学学报,2009(6):574-578.LI Da-hang,LIU Ya-zheng,XIAO Jin-fu.Effect of controlled rolling and cooling parameters on texture of high carbon steel SWRH77B[J].Journal of Wuhan University of Science and Technology,2009,32(6):574-578.
• [4]刘占增,曾汉生,丁翠娇,等.降低帘线钢脱碳层厚度的技术研究[J].武钢技术,2005,43(6):12-15.LIU Zhan-zeng,ZENG Han-sheng,DING Cui-jiao,et al.Technology for reduction of thickness of decarburization layer in cord steel[J].WISCO Technology,2005,43(6):12-15.
• [5]宋维锡.金属学(第2版)[M].北京:冶金工业出版社,2010.
• [6]肖金福,刘雅政,张朝磊,等.弹簧钢55Si Cr A脱碳规律的研究[J].金属热处理,2010,35(12):94-98.XIAO Jin-fu,LIU Ya-zheng,ZHANG Chao-lei,et al.Surface decarburization of spring steel 55Si Cr A[J].Heat Treatment of Metals,2010,35(12):94-98.
• [7]赵如龙,李义长,王洪利,等.P72LXA钢帘线用热轧盘条表面脱碳层的研究[J].金属热处理,2013,38(7):65-69.ZHAO Ru-long,LI Yi-chang,WANG Hong-li,et al.Investigation on surface decarburization of hot rolled wire rod for P72LXA steel cord[J].Heat Treatment of Metals,2013,38(7):65-69.
• [8]孔祥华,唐晋,孙瑞虹,等.SCM440钢表面脱碳与开裂[J].材料热处理学报,2012,33(3):142-145.KONG Xiang-hua,TANG Jin,SUN Rui-hong,et al.Surface decarburization and cracking behavior of SCM4440 steel[J].Transactions of Materials and Heat Treatment,2012,33(3):142-145.
• [9]付军,郝芳,王福明,等.变形温度对高碳钢82B动态CCT曲线的影响[J].金属热处理,2011,36(10):55-58.FU Jun,HAO Fang,WANG Fu-ming,et al.Effect of deformation temperature on dynamic CCT curve of high carbon steel 82B[J].Heat Treatment of Metals,2011,36(10):55-58.
• [10]徐光,王巍,张鑫强,等.金属材料CCT曲线测定及绘制[M].北京:化学工业出版社,2009.
• [11]郝芳,王福明,金桂香,等.吐丝温度对82B高碳钢动态CCT曲线的影响[J].金属热处理,2011,36(12):4-8.HAO Fang,WANG Fu-ming,JIN Gui-xiang,et al.Effect of loop laying temperature on dynamic CCT curve of high carbon steel 82B[J].Heat Treatment of Metals,2011,36(12):4-8.
• [12]Kazeminezhad M,Karimi Taheri A.The effect of controlled cooling after hot rolling on the mechanical properties of a commercial high carbon steel wire rod[J].Materials&Design,2003,24(6):415-421.

文章评论(Comment)：