金属学报  1995, Vol. 31 Issue (7): 294-299

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L1_2型Al_3Ti合金室温变形超位错的分解及计算机图像模拟

戎咏华;吴晓华;陈小夫;陈世朴;胡赓祥

上海交通大学

TEM AND COMPUTER IMAGE SIMULATIONS ON SUPERDISLOCATIONS IN ROOM TEMPERATURE DEFORMED Al_(67)Mn_8Ti_(25) ALLOY

RONG Yonghua;WU Hiaohua;CHEN Hiaofu;CHEN Shipu;HU Gengxiang;(Shanghai Jiaotong University;Shanghai 200030)(Manuscript received l994-06-l6;in revised form 1994-12-04)

戎咏华;吴晓华;陈小夫;陈世朴;胡赓祥. L1_2型Al_3Ti合金室温变形超位错的分解及计算机图像模拟[J]. 金属学报, 1995, 31(7): 294-299.
, , , , . TEM AND COMPUTER IMAGE SIMULATIONS ON SUPERDISLOCATIONS IN ROOM TEMPERATURE DEFORMED Al_(67)Mn_8Ti_(25) ALLOY[J]. Acta Metall Sin, 1995, 31(7): 294-299.

摘要 参考文献 相关文章 Metrics 全文: PDF(614 KB)   摘要: 利用透射电子显微镜和计算机图像模拟技术研究了Ll型Ａｌ３Ｔｉ合金室温变形的位错核心结构，结果表明：ａ（１１０）超位错在｛１１１｝面上分解成两个ａ／３（１１２）型超偏位错，其间为超点阵内禀层错 关键词 ： Ｌ１_２型Ａｌ_３Ｔｉ合金,  计算机图像模拟,  超点阵内禀层错     Abstract：TEM investigation associated with computer image simulations were conducted to determine the dissociation of superdislocations in the room temperature deformed Ll2-type Al3Ti alloy.It is determined that the a(110) superdislocations dissociated into pairs of a/3(112) superpartials with SISF between them.The theoretical and experimental micrographs are in good agreement under various diffraction conditions.Correspondent:HU Gengxiang,professor,(Department of Materials Science,Shanghai Jiaolong University,Shanghai 200030) Key words： L1_2-type Al_3Ti alloy    computer image simulation    superlattice intrinsic stacking fault(SISF) 收稿日期: 1995-07-18      服务 把本文推荐给朋友 加入引用管理器 E-mail Alert RSS 作者相关文章 戎咏华 吴晓华 陈小夫 陈世朴 胡赓祥 44.8K 链接本文: https://www.ams.org.cn/CN/      或      https://www.ams.org.cn/CN/Y1995/V31/I7/294 1YamaguchiM,UmakoshiY,YamaneT．PhilosMag,1987;55:3012CHENXiaofu,WUXiaohua,CHENShipu,HUGengxiang．ScrMelallMater,1992;26:177531iuCT,WhiteC1,HortonJA．ActaMetall,1985:33:2134HuGengxiangChenShiipu,WuXiaohua、ChenXiaofu．JMaterRes,1991;6:9575WuXiaohua,RongYonghua,ChenShipu,HuGengxiang．ScrMetallMater,1993:28:15196InuiH,luzziDE,PorterWO,PopeDP．VitekV,YamaguchiM．PhilosmagA,l992;65:2457MorrisDG．JMaterRes,1992:7:3038ZhangS,Mikko1aDE,MilliganWW．ScrMetallMater,1992;27:10739YooMH,FuCl．AdvHighTempInt,1991;31:104810WilkensM．HornbogenE．PhysStatusSolid,l964:4:55711HeadAK,HumbleP,ClarebroughCM,MortonAJ,ForwardCT．ComputedElectronMicrographsandDefectIdentification,Amsterdam,NorthhHolland,1973:309l2戎咏华,陈世朴,胡赓祥,第五届全国材料科学中电子显微学会议论文集,1993:l3l3郭可信,叶恒强,吴玉琨．电子衍射图在晶体学中的应用,北京:科学出版社,1983:336,11714DrabicW,TorunJ、PhysStatusSolidi．a．1983:177:511315EdingtonJW．PracticalElectronMicroscopyinMaterialsScience,MacMillan,1975;3:17—20 No related articles found! Viewed Full text Abstract Cited   Shared      Discussed