پديد آورنده :
رحماني، مهدي
عنوان :
تحليل شكل پذيري لوح تركيبي در فرآيند كشش عميق
مقطع تحصيلي :
كارشناسي ارشد
محل تحصيل :
اصفهان: دانشگاه صنعتي اصفهان، دانشكده مكانيك
صفحه شمار :
چهارده، 99، [II]ص.: مصور، جدول، نمودار
يادداشت :
ص. ع. به فارسي و انگليسي
استاد مشاور :
ابوالفضل معصومي
توصيفگر ها :
TWB , جوشكاري
تاريخ نمايه سازي :
04/09/86
استاد داور :
محمود فرزين، محمود سليمي
تاريخ ورود اطلاعات :
1396/03/08
چكيده فارسي :
به فارسي و انگليسي :قابل رؤيت در نسخه ديجيتال
چكيده انگليسي :
Abstract In recent years demand is rising for lighter and stiffer automobile bodies to meetstricter environmental and safety regulations The laser Tailor Welded Blank in which thelaser processing technology is used to join sheet metal of different thicknesses materialproperties and surfaces status in one work piece before stamping process has beenconsidered as a suitable solution to achieve this target in automobile industry Therefore TWB is applied not only for simple but also to very complicated automobile parts In this study numerical and experimental investigation of maximum achievable drawdepth and weld line movements in a TWB which consist of two work pieces of samethickness but different material properties for a circular cup have been studied In this study TWBs with different type of strength combination E335D ST12 andthickness of 1 2 mm made by the laser welding process were used in deep drawing processwith a 100 mm punch Also computer analysis has been carried out with the modeldesigned as the same as the specimens ignoring anisotropy of sheet metals The modelincluding die punch Tailor Welded Blank and blank holder was modeled inABAQUS CAE and solved in ABAQUS Explicit and the results are displayed inABAQUS Viewer post processor The following conclusions were drawn as a result of the study Maximum achievable drawing depth in TWB is related to the 1 2 such that it willincreases when 1 increases and 2 0 7 If 2 increases we expect a linear relationship between drawing depth and 1 Weld line moves during the process Maximum of dislocation occurs just beforefailure in the middle of the weld line This movement was measured and it was found that it relates extremely to 1 and 2 inaddition to blank geometry and forming process When 2 0 7 1 0 5 failure occurs earlier and maximum weld line movement willreduce when 1 is increased
استاد مشاور :
ابوالفضل معصومي
استاد داور :
محمود فرزين، محمود سليمي
