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Forming of High Strength/Low Formability Metal Sheets at Elevated Temperatures

2005; Multidisciplinary Digital Publishing Institute; Volume: 10; Issue: 3 Linguagem: Inglês

10.3390/mca10030331

2297-8747

M. Emin, Halil Aykul, Mert Şafak Tunalıoğlu,

Laser and Thermal Forming Techniques

The purpose of this study is to determine the limits and to investigate the efficiency of sheet metal forming process at elevated ( warm / hot ) temperatures. Deep drawing of HSLA / UHSLA steels, aluminium, titanium and magnesium alloys in an effective way is possible only at elevated temperatures and has some indefinitenesses. In the study, deep drawing simulations are realized with a titanium copper alloy and a low alloy steel to investigate the deep drawability of high strength / low formability metal sheets. The comparison of the results obtained from this study with the other experimental, analytical and computer aided studies found from the literature showed that the results are coherent. From the studies its understood that, the critical temperature that makes the deep drawability maximum differs from material to material. This temperature is a complex function of the material and deep drawing process parameters.