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FRACTURE MECHANISM AND MICROMECHANICAL ANALYSIS OF POLYSYNTHETICALLY TWINNED CRYSTALS OF γTiAl ALLOYS
作者姓名:Y.G.Zhang  Y.H.Lu  G.K.Hu * and C.Q.Chen Department of Materials Science and Engineering  Beijing University of Aeronautics and Astronautics Unversity  Beijing 100083  China * Department of Applied Mechanics  Beijing Institute of Technology
作者单位:Y.G.Zhang,Y.H.Lu,G.K.Hu * and C.Q.Chen Department of Materials Science and Engineering,Beijing University of Aeronautics and Astronautics Unversity,Beijing 100083,China * Department of Applied Mechanics,Beijing Institute of Technology
摘    要:1 INTRODUCTIONGammatitaniumaluminidehasreceivedincreasingattentionbecauseofitshighspecificstrengthandstiffnessatroomandelevatedtemperature,combinedwithsatisfactorycreepbehaviorandadequateoxidationresistance[1].TirichγTiAlbasedalloyshavegoodprosp…

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