Abstract: An investigation of heat transfer and deformation during hot upsetting has been performed by comparing results of finite element analysis with experimental data obtained from the literature. The ...

Abstract: In this study, a major design parameter was identified for cold forward extrusion of solid or hollow spur gears by investigating the effect of gear geometries and forming variables on formation ...

Abstract: In this study, a tip test was carried out under various ram velocities of 0.01 mm/s, 0.1 mm/s, 1.0 mm/s, and 5.0 mm/s to investigate the effect of deformation speed on friction using the ...

Abstract: In this paper, the limitation and applicability of the ductile fracture criteria based on a work hypothesis and Cockcroft and Latham were investigated. For this purpose, experimental and numerical ...

Abstract: The proper determination of friction condition during metal forming operations is imperative for successful process design and production of parts. Through the years, various methods of determining ...

Abstract: Finite element simulations are being widely used to increase the efficiency and effectiveness of design of bulk metal forming processes. In such simulations, proper consideration of friction ...

Abstract: An investigation of heat transfer and friction during hot forging has been performed using experimental and analytical techniques. The interface heat transfer coefficient was measured in experiments ...

Abstract: In the present investigation, a tip test based on upsetting and backward extrusion was utilized to characterize the effect of surface roughness of the billet and forming tools, and the type ...