Acta Metall Sin  2008, Vol. 44 Issue (11): 1305-1309     DOI:

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Influence of austenization temperature on the morphology of pearlite in Fe-0.12%C alloy under high magnetic field

;Xiang Zhao;Shoujing WANG;GONG Ming-Long;liang zuo

东北大学 辽宁省金属材料微结构设计与控制重点实验室

Xiang Zhao; Shoujing WANG; GONG Ming-Long; liang zuo. Influence of austenization temperature on the morphology of pearlite in Fe-0.12%C alloy under high magnetic field. Acta Metall Sin, 2008, 44(11): 1305-1309 .

Abstract References Related Articles Recommended Metrics Download:  PDF(1193KB)  Export:  BibTeX | EndNote (RIS)       Abstract  The influence of austenization temperature on the morphology of pearlite in Fe-0.12%C alloy under high magnetic field (12T) was investigated by using optical microscopy. It is shown that the tendency that the long axis of the pearlite grains is parallel and elongated along the magnetic field direction under the high magnetic field becomes stronger as the austenization temperature increases. This is due to the fact that austenite grain in the sample austenized at higher temperature is larger and thus the distance between the nuclei of the proeutectoid ferrite at the triple grain boundaries is larger, leading to a stronger chain alignment of the ferrite grains along the magnetic field direction. As a result of the difference of demagnetization field arising from different disposal conditions of the plate samples, in the samples austenized at the same temperature and under the same magnetic field strength the percentage of the pearlite in the sample whose plate plane is parallel to the magnetic field direction is lower than that in the sample whose plate plane is perpendicular to the magnetic field direction, and the tendency that the long axis of the pearlite grains is elongated along the magnetic field direction in the sample whose plate plane is parallel to the magnetic field direction is weaker than that in the sample whose plate plane is perpendicular to the magnetic field direction 。 Key words:  high magnetic field      diffusional solid state phase transformation      Fe-C alloy      pearlite      demagnetization      Received:  12 June 2008      ZTFLH:  TG115.5   Service E-mail this article Add to citation manager E-mail Alert RSS （） Articles by authors Xiang Zhao Shoujing WANG GONG Ming-Long liang zuo URL:  https://www.ams.org.cn/EN/     OR     https://www.ams.org.cn/EN/Y2008/V44/I11/1305 [1]Shimotomai M,Maruta K,Mine K,Matsui M.Acta Mater, 2003;51:2921 [2]Shimotomai M,Maruta K.Scr Mater,2000;42:499 [3]Maruta K,Shimotomai M.J Cryst Growth,2002;237-239: 802 [4]Ohtsuka H.Netsu-Shori,2004;44:135 (大塜秀幸．热处理，2004；44：135) [5]Ohtsuka H,Xu Y,Wada H.Mat Trans JIM,2000;41:907 [6]Hao X J,Ohtsuka H.CAMP-ISIJ,2004;17:1229 [7]Hao X J,Ohtsuka H,de Rango P.Mater Trans,2003;44: 211 [8]Hao X J,Ohtsuka H.J Mater Metall,2005;4:132 (郝新江，大塜秀幸．材料与冶金学报，2005；4：132 [9]Ohtsuka H,Xu Y,Choi J K,Oishi Y,Murai T,Wade H.In:Shigeo A,ed.,The 3rd Int Symp on Electromag- netic Processing of Materials,Tokyo:the Iron and Steel Institute of Japan,2000:596 [10]Zhang Y D,Esling C,Gong M L,Vincent G,Zhao X,Zuo L.Scr Mater,2006;54:1897 [11]Zhang Y D,He C S,Zhao X,Zuo L.J Magn Magn Mater, 2004;284:287 [12]Crangle J.The Magnetic Properties of Solids.London: Edward Arnold(Publishers)Ltd.,1977:16 [13]Zhang Y D,Esling C,Calcagnotto M,Gong M L,Zhao X, Zuo L.J Phys,2007;40D:6501 [1] LI Sai, YANG Zenan, ZHANG Chi, YANG Zhigang. 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