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·1148 工程科学学报,第37卷,第9期 (2)利用Image一Pro Plus软件统计出不同球化退 一重技术,2002(4):34) 火条件下渗碳体球化率变化,从而可以对球化退火工 4]Verhoeven J D,Gibson E D.The divorced eutectoid transforma- 艺进行定量的评估. tion in steel.Metall Mater Trans A,1998,29(4)1181 5] Atasoy E,Ozbilen S.Pearlite spheroidization.J Mater Sci, (3)不同奥氏体化温度和冷却速率下球化退火处 1989,24(1):281 理后的40Cr钢球化组织中,奥氏体化温度为760℃, [6]Tian Y L,Kraft R W.Mechanisms of pearlite spheroidization. 冷却速率为20℃h时球化组织最佳;与传统球化工 Metall Mater Tran A,1987,18(8):1403 艺相比,有效缩短了球化退火时间,可节约大量能源. Verhoeven J D.The role of the divorced eutectoid transformation (4)40Cr钢的球化退火过程中,离异共析转变和 in the spheroidization of 52100 steel.Metall Mater Trans A, 2000,31(10):2431 珠光体转变逐渐完成.离异共析转变得到的是球状珠 [8]Zhang W Y.Ostwald repening of spherical carbide during isother- 光体组织,珠光体转变得到的是片层珠光体组织.控 mal spheroidizing.Mater Sci Technol,1993,1(4):44 制好球化过程中奥氏体化温度、冷却速率及保温时间 (章为夷.等温球化处理过程中球状碳化物的Ostwald长大现 可以促使组织向球状珠光体组织转变 象.材料科学与工艺,1993,1(4):44) Zhu G,Zheng G.Directly spheroidizing during hot deformation in 参考文献 GCr15 steels.Front Mater Sci,2008,2(1):72 [1]Hui WJ.Weng YQ,Dong H.High Strength Fastener Steel.Bei- [0]0'Brien J M.Hosford W F.Spheroidization cyeles for medium jing:Metallurgical Industry Press,2009 carbon steels.Metall Mater Trans A,2002,33(4):1255 (惠卫军,翁宇庆,董瀚.高强度紧固件用钢.北京:治金工 [11]Luzginova N V,Zhao L,Sietsma J.The cementite spheroidiza- 业出版社,2009) tion process in high-carbon steels with different chromium con- 2]0'Brien J M.Hosford W F.Spheroidization cycles of medium tents.Metall Mater Trans A,2008,39(3):513 carbon steels.J Mater Eng Perform,1997,6(1):69 02] Chattopadhyay S,Sellars C M.Quantitative measurements of 3]Li F.Liu ZD,Wang D Y,et al.A study of rapid spheroidization pearlite spheroidization.Metallography,1977,10(1):89 process for 40Cr steel.CFHI Technol,2002(4):34 [13]Tian Y L,Kraft R W.Kinetics of pearlite spheroidizations.Met- (李峰,刘占东,王德宇,等.40Cr快速球化退火工艺研究 all Mater Trans A.1987.18(8):1359工程科学学报,第 37 卷,第 9 期 ( 2) 利用 Image--Pro Plus 软件统计出不同球化退 火条件下渗碳体球化率变化,从而可以对球化退火工 艺进行定量的评估. ( 3) 不同奥氏体化温度和冷却速率下球化退火处 理后的 40Cr 钢球化组织中,奥氏体化温度为 760 ℃, 冷却速率为 20 ℃·h - 1 时球化组织最佳; 与传统球化工 艺相比,有效缩短了球化退火时间,可节约大量能源. ( 4) 40Cr 钢的球化退火过程中,离异共析转变和 珠光体转变逐渐完成. 离异共析转变得到的是球状珠 光体组织,珠光体转变得到的是片层珠光体组织. 控 制好球化过程中奥氏体化温度、冷却速率及保温时间 可以促使组织向球状珠光体组织转变. 参 考 文 献 [1] Hui W J,Weng Y Q,Dong H. High Strength Fastener Steel. Bei￾jing: Metallurgical Industry Press,2009 ( 惠卫军,翁宇庆,董瀚. 高强度紧固件用钢. 北京: 冶金工 业出版社,2009) [2] O’Brien J M,Hosford W F. Spheroidization cycles of medium carbon steels. J Mater Eng Perform,1997,6( 1) : 69 [3] Li F,Liu Z D,Wang D Y,et al. A study of rapid spheroidization process for 40Cr steel. CFHI Technol,2002( 4) : 34 ( 李峰,刘占东,王德宇,等. 40Cr 快速球化退火工艺研究. 一重技术,2002( 4) : 34) [4] Verhoeven J D,Gibson E D. The divorced eutectoid transforma￾tion in steel. Metall Mater Trans A,1998,29( 4) : 1181 [5] Atasoy  E,zbilen S. Pearlite spheroidization. J Mater Sci, 1989,24( 1) : 281 [6] Tian Y L,Kraft R W. Mechanisms of pearlite spheroidization. Metall Mater Tran A,1987,18( 8) : 1403 [7] Verhoeven J D. The role of the divorced eutectoid transformation in the spheroidization of 52100 steel. Metall Mater Trans A, 2000,31( 10) : 2431 [8] Zhang W Y. Ostwald repening of spherical carbide during isother￾mal spheroidizing. Mater Sci Technol,1993,1( 4) : 44 ( 章为夷. 等温球化处理过程中球状碳化物的 Ostwald 长大现 象. 材料科学与工艺,1993,1( 4) : 44) [9] Zhu G,Zheng G. Directly spheroidizing during hot deformation in GCr15 steels. Front Mater Sci,2008,2( 1) : 72 [10] O’Brien J M,Hosford W F. Spheroidization cycles for medium carbon steels. Metall Mater Trans A,2002,33( 4) : 1255 [11] Luzginova N V,Zhao L,Sietsma J. The cementite spheroidiza￾tion process in high-carbon steels with different chromium con￾tents. Metall Mater Trans A,2008,39( 3) : 513 [12] Chattopadhyay S,Sellars C M. Quantitative measurements of pearlite spheroidization. Metallography,1977,10( 1) : 89 [13] Tian Y L,Kraft R W. Kinetics of pearlite spheroidizations. Met￾all Mater Trans A,1987,18( 8) : 1359 ·1148·
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