辛蕊,吴开明,马国勇,严睿

• 1:耐火材料与冶金省部共建国家重点实验室冶金工业过程系统科学湖北省重点实验室武汉科技大学国际钢铁研究院
• 2:武昌船舶重工有限责任公司

摘要(Abstract)：

将两组不同Al元素含量的贝氏体钢(1.37Al和Free-Al),在不同温度下等温不同时间,研究Al元素对贝氏体钢中珠光体转变及组织的影响。采用Thermecmaster热模拟机测定两种钢的相变点A_(c1)和A_(c3)。实验结果表明,Al元素的加入,使钢的相变点A_(c1)和A_(c3)分别提高了53℃和42℃,缩短了珠光体转变时间,同时减小珠光体片层间距。

关键词(KeyWords)： 贝氏体;珠光体;相变;微观组织;Al

Abstract:

Keywords:

基金项目(Foundation): 湖北省自然科学基金计划创新群体(2016CFA004)

作者(Author): 辛蕊,吴开明,马国勇,严睿

DOI: 10.13289/j.issn.1009-6264.2017-0163

参考文献(References)：

• [1]Bhadeshia H K D H.High performance bainitic steels[J].Materials Science Forum,2005,500-501:63-74.
• [2]Bhadeshia H K D H.The Nature,mechanism and properties of strong bainite[J].The Iron and Steel Institute of Japan,2007:17-26.
• [3]Bhadeshia H K D H.Nanostructured bainite[J].Proceedings Mathematical Physical&Engineering Sciences,2010,466(2113):3-18.
• [4]Garcia-Mateo C,Caballero F G,Bhadeshia H K D H.Development of hard bainite[J].ISIJ International,2003,43(8):1238-1243.
• [5]Garcia-Mateo C,Caballero F G.Ultra-high-strength bainitic steels[J].ISIJ International,2005,45(11):502-506.
• [6]盛振栋,左鹏鹏,吴晓春.Al对热挤压模具钢SDAH13连续冷却转变规律的影响[J].工程科学学报,2016,38(11):1559-1568.SHENG Zhen-dong,ZUO Peng-peng,WU Xiao-chun.Effect of Al on the continuous cooling transformation characteristic of hot extrusion die steel SDAH13[J].Chinese Journal of Engineering,2016,38(11):1559-1568.
• [7]Yi H L.Full pearlite obtained by slow cooling in medium carbon steel[J].Materials Science&Engineering A,2010,527(29/30):7600-7604.
• [8]Wu K M,Bhadeshia H K D H.Extremely fine pearlite by continuous cooling transformation[J].Scripta Materialia,2012,67(1):53-56.
• [9]ISO 9042.Steels-Manual point counting method for statistically estimating the volume fraction of a constituent with a point grid,1988.
• [10]Caballero F G,Capdevila C,García de Andrés C.Modeling of the interlamellar spacing of isothermally formed pearlite in a eutectoid steel[J].Scripta Materialia,2000,42(6):537-542.
• [11]Nakajima K,Apel M,Steinbach I.The role of carbon diffusion in ferrite on the kinetics of cooperative growth of pearlite:A multi-phase field study[J].Acta Materialia,2006,54(14):3665-3672.
• [12]Capdevila C,Caballero F G,García de Andrés C.Neural network model for isothermal pearlite transformation.part I:Interamellar spacing[J].ISIJ International,2006,45(2):229-237.
• [13]Hu F,Wu K M,Hou T P,Shirzadi A A.Refinement of retained austenite in super-bainitic steel by a deep cryogenic treatment[J].ISIJ International,2014,54(1):222-226.
• [14]Yi H L,Hou Z Y,Xu Y B,et al.Acceleration of spheroidization in eutectoid steels by the addition of aluminum[J].Scripta Materialia,2012,67(7/8):645-648.

文章评论(Comment)：