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Development of cube texture in multistage annealing of high purity aluminum foils
作者姓名:张新明  杜予晅  唐建国
作者单位:School of Materials Science and Engineering,School of Materials Science and Engineering,School of Materials Science and Engineering Central South University,Changsha 410083,China,Central South University,Changsha 410083,China,Central South University,Changsha 410083,China
基金项目:Project(G19990 64 90 8)supportedbytheNationalKeyFundamentalResearchandDevelopmentProgramofChina,project(59971067)supportedbytheNationalNaturalScienceFoundationofChina
摘    要:1 INTRODUCTIONThecubetextureisimportanttohighpurityalu minumfoilsforhighvoltagecapacitorsbecauseitcanenlargeeffectivesurfaceofaluminumfoilsandin creasecapacitancethroughchanneletching .Inordertoincreasethevolumefractionofthecubecompo nent ,a greatdealofresearchesontheformationmechanismofcubetexturehavebeendone ,andmanymethodswere proposed ,suchasimpuritycontrol ling1,2 ] ,directionalsolidification3] ,preheating4 ] ,inhomogeneousrolling5] ,vacuumannealing6 ] andsoon .Inthispaperamulti…


Development of cube texture in multistage annealing of high purity aluminum foils
ZHANG Xin-ming,DU Yu-xuan,TANG Jian-guo.Development of cube texture in multistage annealing of high purity aluminum foils[J].Transactions of Nonferrous Metals Society of China,2003,13(6).
Authors:ZHANG Xin-ming  DU Yu-xuan  TANG Jian-guo
Abstract:The development of cube texture({001}<100>)in high purity(99.99%)aluminum foils in multistage annealing was investigated by ODF and EBSD.It is found that a multistage annealing process can strengthen cube texture markedly,and that each stage of the multistage annealing plays an important eigen role in nucleation and growth of the cube orientation grains.The cube orientation grain nucleates preferably at 180℃ because of its low growth.and the cube texture is further strengthened at 550℃ and becomes prodorminent because of favorable bigger grain sizes.
Keywords:high purity aluminum  multistage annealing  cube texture
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