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HeatTreatmentTechnologyinAluminum FoilBlankProduction

YUE Youcheng,YANG Gang1,2,SUN Lijun,RAO Zhugui1   

  1. 1.FacultyofMaterialScienceandTechnology,KunmingUniversityofScienceandTechnology,Kunming 650093,China;
    2.YunnanMetallurgicalGroupCo.,Ltd.,Kunming 650224,China
  • Online:2011-09-30 Published:2011-09-30

Abstract: Heattreatmenttechnologyinaluminumfoilproductionprocesswasdiscussed.Influenceofho
mogenizingannealing,middleannealingandfinalannealingtreatmenttoaluminumfoilproductionwasin
troduced.Homogenizingannealingmakesthesolublephasestructurecompletelyornearlycompletelydis
solved,thusreducingtheinternalstressandimprovingtheplasticity.Bymiddleannealing,thesolidsol
ubilityofSiandFereducesandtheplasticityofAlplaterecovers.Andfinalannealinghelpsaluminum
foilfullyrecrystallizeandremovestheresidualoiloffinishedproductsurface,sothatthealuminumfoil
couldachievednicemechanicalpropertiesandexpandedeasily.Aluminumfoilblandwithreasonableho
mogenizingandmiddleannealinginconducivetothesubsequentrollingandgethighqualityaluminum
foilproducts.Futuredevelopmentofheattreatmenttechnologyofaluminumfoilwasdiscussed.

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