Friction during contact between metals can be very complex under dynamic conditions. In this study, friction 304 stainless steel and SKD11 with boundary lubrication was studied experimentally using a testing machine (MPX-2000). The coefficients at different sliding speeds interface loads were determined, new coefficient model established based on the experimental data. sample surfaces analyzed ...

This study provides an approach to predict the springback phenomenon during post-solidification cooling in a functionally graded hybrid composite cylindrical shell with a transverse isotropic structure. Here, the material properties are given with a general parabolic power-law function. During the theoretical analysis, an appropriate transformation is introduced in the equilibrium equation, whi...

To improve the material characteristics of singleand poly-crystals of pure copper, the respective relationships between crystallographic orientations and microstructures, and the bending and mechanical properties were examined. And texture distribution is also analyzed. A grain refinement procedure was performed to obtain a grained structure. Furthermore, some analytical results related to crys...

This paper presents a new fixture design methodology for sheet metal assembly processes. It focuses on the impact of fixture position on the dimensional quality of sheet metal parts after assembly by considering the effect of part variation, tooling variation and assembly springback. An optimization algorithm combines finite element analysis and nonlinear programming methods to determine the op...

Abstract Lightweight materials and lightweight technologies have gained significant attention from all EV vehicle manufacturers. Aluminium has been commonly used as a replacement for steel in the automotive industry many years. High-strength aluminium alloys high specific strength, their formability increases significantly at elevated temperatures. New manufacturing incorporating temperature fo...