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冷轧退火后铁素体不锈钢的晶界面分布.pdf

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464Vol.46No.4 20104404—410ACTAMETALLURGICASINICAApr.2010pp.404–410 ∗ ℄ 1)1)2)3) Æ RohrerGS 1),255049 2)MaterialsScienceandEngineeringDepartment,CarnegieMellonUniversity, Pittsburgh,PA15213,USA 3),200072 EBSD()(OIM), ,{hkl}.,85%780, ℄℄℄ ,,{hkl} ,,,.9µm, {100},12%;,15µm, ℄ {111},{100}{112},10%., Æ ℄.,. ,,,EBSD TG113A0412−1961(2010)04−0404−07 GRAINBOUNDARYPLANEDISTRIBUTIONSINTHE COLD–ROLLEDANDANNEALEDFERRITIC STAINLESSSTEEL FANGXiaoying1),WANGWeiguo1),RohrerGS2),ZHOUBangxin3) 1)SchoolofMechanicalEngineering,ShandongUniversityofTechnology,Zibo255049 2)MaterialsScienceandEngineeringDepartment,CarnegieMellonUniveristy,Pittsburgh,PA15213,USA 3)Instituteformaterials,SchoolofMaterialsScienceandEngineering,ShanghaiUniversity,Shanghai200072 Correspondent:FANGXiaoying,associateprofessor,Tel:(0533)2786835,E-mail:fxy@sdut..edu.cn SupportedbyNationalNaturalScienceFoundationofChina(No.50771060and50974147) Manuscriptreceived2009–09–25,inrevisedform2009–12–21 ABSTRACTThegrainboundaryplanedistributioninthecold–rolledandannealedferriticstainless steelhasbeenanalyzedstatisticallybyafive–parametermethodbasedonthemis–orientationsof adjacentgrainsandtheorientationsofgrainboundarytracesdeterminedbyelectronbackscatter diffraction(EBSD)attachedtoafieldemissionscanningelectronmicroscope(FE–SEM).Theresults showthatnopreferredtextureoccurrseitheringrainorientationsorgrainboundarymis–orientations characterizedbyaxis–anglepairsinthespecimenswhichwerecoldrolledby85%reductioninthickness andsubsequentlyannealedat7