Evaluation of Drawability of Titanium Welded Sheets / Ocena Tłocznosci Spawanych Blach Tytanowych

Archives of Metallurgy and Materials

J. Winowiecka¹  J. Adamus¹  W. Wieckowski¹  P. Lacki¹ 

[1] CZESTOCHOWA UNIVERSITY OF TECHNOLOGY, 42-201 CZESTOCHOWA, 69 DABROWSKIEGO STR., POLAND

关键词: Keywords: sheet-metal forming;    titanium sheet;    welded blanks;    FEM modelling;   

DOI  :  10.2478/v10172-012-0164-7

学科分类：金属与冶金

来源: Akademia Gorniczo-Hutnicza im. Stanislawa Staszica / University of Mining and Metallurgy

【 摘 要 】

In the paper experimental and numerical results of sheet-metal forming of titanium welded blanks are presented. Commercially pure titanium Grade 2 (Gr 2) and Ti6Al4V titanium alloy (Gr 5) are tested. Forming the spherical cups from the welded Gr 2 || Gr 5 blanks, and uniform Gr 2 and Gr 5 blanks is analysed. Numerical simulations were performed using the PamStamp 2G v2012 program based on the finite element method (FEM). Additionally, drawability tests using the tool consisting of die, hemispherical punch and blank-holder were carried out. Thickness changes and plastic strain distributions in the deformed material are analysed. The obtained results show some difficulties occurring during forming of the welded blanks made of titanium sheets at the same thicknesses but at different grades. It provide important information about the process course and might be useful in design and optimization of the sheet-titanium forming process.

【 授权许可】

Unknown