Numerical Simulation of Forming Titanium Thin-wall Panels with Stiffeners
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Czestochowa University of Technology, Czestochowa, Poland
CHIRMED Manufacturer of Surgical and Medical Instruments, Mostowska 8A, 42-240 Rudniki-Czestochowa, Poland
Publication date: 2018-03-01
Corresponding author
Julita Winowiecka   

Czestochowa University of Technology, Dabrowskiego 69, 42-201 Czestochowa, Poland
Adv. Sci. Technol. Res. J. 2018; 12(1):54-62
Due to the increase in the application of titanium components made of thin titanium sheets, in the work titanium panels made of 4 mm thick sheets are analysed. To increase the rigidity of the panels, some cross-shaped stiffeners were made. Such panels enable a reduction in weight while maintaining the existing strength of the drawn parts. Three kinds of commercially pure titanium are considered: Grade 1, 2 and 3. Numerical calculations were performed with PamStamp 2G based on the finite element method. The basic mechanical and technological properties of the analysed sheets, which are necessary for numerical modelling, were determined by static tensile testing. The friction coefficient was assumed based on the literature. On the basis of the performed numerical analyses, it was stated that the proper forming of panels with stiffeners depends not only on the drawability of the sheets but also on the technological parameters such as blank holder force and frictional conditions.
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