Simultaneous hydroforming of bulge- and T-zone in 304 stainless steel and 70/30 brass tubes
Journal: Journal of Computational Applied Mechanics (Vol.51, No. 1)Publication Date: 2020-06-01
Authors : Afshin Ashofteh; Mahmoud Mosavi Mashhadi; Sana Seifollahpour;
Page : 213-230
Keywords : Tube Hydroforming; FE simulation; pressure path; bulge zone; T-way;
- Simultaneous hydroforming of bulge- and T-zone in 304 stainless steel and 70/30 brass tubes
- AXIAL BEHAVIOR OF STAINLESS STEEL SQUARE THIN-WALLED TUBES STIFFENED INTERNALLY
- Weldability Analysis of 316 Stainless Steel and AA1100 Alloy Hollow Tubes using Rotational Friction Welding Process
- The use of duplex stainless steel filler metals to avoid hot cracking in GTAW welding of austenitic stainless steel AISI 316L
- CHARACTERISTIC STUDY ON CONCRETE STEEL DOUBLE SKINNED TUBES AND CONCRETE FILLED STEEL TUBES UNDER AXIAL COMPRESSIVE STRENGTH
Abstract
Hydroforming process is largely used for the production of tubular parts in various industries, and has advantages such as less weight, higher quality, more strength and fewer production cost compared to the conventional methods of production. The aim of this study is forming a tube-shaped part with a special geometry that has both bulge- and T-zones with tube hydroforming process. The forming operations were performed on 304 stainless steel and 70/30 brass tubes, and a finite element (FE) model was used to achieve the best forming conditions. To validate FE model, firstly, several experimental tests were performed with different process parameters, and then the results were compared with the FE model in terms of the formed profile and the distribution of thickness. After validation of FE model, various pressure paths were studied and the best one between them was chosen. Finally, the part was formed correctly by the selected pressure path without defects like wrinkling or tearing, and the desired geometry was fully filled.
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