Acta Metall Sin  1994, Vol. 30 Issue (7): 296-301    DOI:

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CARBON ORDERING IN Fe-1.83C MARTENSITE Ⅰ. Crystal Structure of a Conventional Ordered Phase

REN Xiaobing; WANG Xiaotian (Xi'an Jiaotong University); SHIMIZU Ken'ichi (Kanazawa institute of Technology; Japan); TADAKI Tsugio (Osaka University;Japan)(Manuscript received 27 October; 1993; in revised form 4 January; 1994)

REN Xiaobing; WANG Xiaotian (Xi'an Jiaotong University); SHIMIZU Ken'ichi (Kanazawa institute of Technology; Japan); TADAKI Tsugio (Osaka University;Japan)(Manuscript received 27 October; 1993; in revised form 4 January; 1994). CARBON ORDERING IN Fe-1.83C MARTENSITE Ⅰ. Crystal Structure of a Conventional Ordered Phase. Acta Metall Sin, 1994, 30(7): 296-301.

Abstract References Related Articles Recommended Metrics Download:  PDF(376KB)  Export:  BibTeX | EndNote (RIS)       Abstract  Electron diffraction technique is applied to determine the crystal structure of a conventional ordered phase found in an aged high carbon(1.83%) martensite. Experimental data of good quality are obtained to ensure the reliability of the structure determination. The ordered phase is found to be an off-stoichiometric compound isomorphic with γ'-Fe_4N, it is thus called γ'-Fe_xC (I)(x= 4－11). Its cell dimension is (a_M and c_M are the length of a and c axis of martensite unit cell, respectively). The ordered phase is coherent with martensite, their orientation relationship is (001)Ⅰ∥(001)M,[100]Ⅰ∥[110]M. Diffraction patterns calculated based on γ'-Fe_xC (I) are in agreement with experimental observations.Correspondent: REN Hiaobing, Presently with Department of physics, Nanjing University, Nanjing 210008 Key words:  Fe-C martensite      ordered structure      aging      interstitial ordering      Received:  18 July 1994      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/Y1994/V30/I7/296 1NagakuraS,HirotsuY,KusunokiM,NakamuraY．MetallTrans,1983;14A:10252KusunokiM,NagakuraS．JApplCrystallogr,1981;14:3293RenSB,WangXT．MetallTrans,1988;19A:24274任晓兵,王笑天,清水谦一,唯木次男．金属学报,1994;30:A2895TaylorKA,ChangL,OlsonGB,SmithGDW,CohenM,VanderSandeJB．MetallTrans,1989;20A:27176IzotovVI,UtevskiyLM．PhysMetMetallogr,1968;25:867UwakwehONC,GeninJMK,SilvainJG．MetallTrans,1991;22A:7978OlsonGB,TaylorKA,CohenM．MetallTrans,1990;21A:28069任晓兵,王笑天,清水谦一,唯木次男．金属学报,1994;30:A33710ZenerC．PhysRev,1948;74:63911ChooWK,KapolwR．ActaMetall,1973;21:72512MillerMK,BeavenPA,BrennerPA,SmithGDW．MetallTrans,1983;14A:102113TheoHahned．InternationalTablesforX-RayCrystallography,Vol．4,Space-groupsymmetry,1983;420-42114InoH,ItoT,NasuS,GonserU．ActaMetall,1982;30:915JackKH．ProcRSoc,London,1951;208A:216^ [1] ZHANG Leilei, CHEN Jingyang, TANG Xin, XIAO Chengbo, ZHANG Mingjun, YANG Qing. 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