Acta Metall Sin  1996, Vol. 32 Issue (11): 1154-1158    DOI:

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FIM STUDY ON (D0)3 ORDERING IN Fe3Al ALLOY

WENG Jun; ZHU Fengwu; WANG Wendong; ZHI Rentao; ZHANG Dezhi;XIAO Jimei (University of Science and Technology Beijing; Beijing 100083)

WENG Jun; ZHU Fengwu; WANG Wendong; ZHI Rentao; ZHANG Dezhi;XIAO Jimei (University of Science and Technology Beijing; Beijing 100083). FIM STUDY ON (D0)3 ORDERING IN Fe3Al ALLOY. Acta Metall Sin, 1996, 32(11): 1154-1158.

Abstract References Related Articles Recommended Metrics Download:  PDF(480KB)  Export:  BibTeX | EndNote (RIS)       Abstract  Samples of Fe3Al with (D0)3 structure after annealing at 500℃ for 5 days were studied with field-ion microscope (FIM). Although the overall FIM ring structures of the treated Fe3Al are much developed, the ring structure of <111> pole is rather confused while that of the <100> pole is very clear. By successive observation, it was found that the <100> pole has a simple field evaporation sequence, while the <111> pole possesses a rather complicated one. This indicates that the ordering of type SI occurred in the (D0)3 order transformation tends to end, but the ordering of type SII is not completed.Prolonging the annealing time to 20 days under the same temperature did not result in a better <111> pole contrast. Correspondent: ZHI Rentao, professor, Department of Materials Physics, University of Science and Technology Beijing, Beijing 100083 Key words:  Fe3Al      field-ion microscopy      ordering      Received:  18 November 1996      Service E-mail this article Add to citation manager E-mail Alert RSS （） Articles by authors URL:  https://www.ams.org.cn/EN/     OR     https://www.ams.org.cn/EN/Y1996/V32/I11/1154 1SauthoffGZ．ZMetallk,1986;77:6542MckameyCG,DeVanJH,TortorelliPF,SikkaVK．JMaterRes,1991;4:17793KrauseHJ,WittigJE,FrommegerG．ZMetallk,1987;78:5764KrauseHJ,FrommeyerG,WittigJE,KrauseM．JPhysColloq,1988;C6-49:3655FrommeyerG,HabrockH-J,WittigJE,CzarnowskiP,GeenenJ,KreussM．ScrMetall,1990;24:516WengJ,ZhuF,XiaoJ．ZMetallk,1994;85:4327翁军,朱逢吾,职任涛,王双全,肖纪美．金属学报,1996;32:6958RudmanPS．ActaMetall,1960;8:3219翁军．北京科技大学博士学位论文,199510AnthonyL,FultzB．JMaterRes,1989;4:114011MendirattaMG,EhlersSK,ChatterjeeDK,LipsittHA．MetallTrans,1987;18A:28312MckameyCG,HortonJA,LiuCT．JMaterRes,1989;4:115613MorrisDG,DadrasMM,MorrisMA．ActaMetallMater,1993;41:9714StoloffNS,DavisRG．ActaMetall,1864;12:47315OkiK,HasakaM,EguchiT．TransJIM,1974;15:14316HasakaM,OkiK,EguchiT．TransJIM,1977;18:75017MarcinkowskiMJ,BrownN．ActaMetall,1961;9:764 [1] HAN Dong, ZHANG Yanjie, LI Xiaowu. 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