MoDTC molecular additives reduce friction in boundary lubricated steel-steel contacts through formation of MoS2 sheets. The chemical pathway from to is investigated for optimizing formation. Our experiments show that a molecule containing sulfur only its thiocarbamate ligands forms sheets during friction, demonstrating the presence peripheral can be sufficient provide required source. This not ...

The article presents the results of tribological investigations into steel/polymer/steel sandwich material LITECOR® developed by ThyssenKrupp Steel Europe for applications in automotive industry. Friction tests were carried out means a strip drawing test with use special tribotester mounted on uniaxial tensile machine. influence sheet deformation value coefficient friction (COF) was considered....

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Abstract To increase the usage of high-strength steel and aluminium alloy sheets for lightweight automobile body panels, joinability sheet combinations including a 780-MPa an A5052 by mechanical clinching self-pierce riveting was investigated different tool shapes in experiment. All except two riveting, i.e., sheets, steel-aluminium were successfully joined both joining methods without gaps amo...

In the present paper the corrosion properties of structured sheet metals were investigated. The aim of this work is to determinate the influence of the structuring process on the corrosion resistance of sheet metals. For this purpose, these sheets were examined by accelerated tests in corrosion chamber. The investigation was carried out using salt spray test. The experiment was conducted for th...

In the present work the recrystallization behavior of deep drawing grade Al-killed low carbon steel sheets produced by Mobarakeh Steel Plant (MSP) has been studied. Salt bath isothermal annealing has b...

failure in timber structures occurs mainly in crucial points such as joints areas. therefore, the idea of using composite sheets in timber joints has been intro-duced as a method in order to increase the strength and ductility behaviour of timber joints. this research aims to study the behaviour of bolted joints in poplar and pine woods, which are reinforced by two types of gfrp sheets. a singl...

Cold-rolled sheet metal that is often used in laser forming exhibits anisotropic properties, which are mostly caused by preferred orientations of grains developed during the severe plastic deformation such as cold rolling. In the present study, the textures of cold-rolled mild steel sheets are characterized and the influence of the plastic anisotropy on laser forming process is investigated. De...

The Rietveld Method was used to investigate the structure of three Fe-Zn intermetallic phases and to quantify their proportion. The zeta, delta and gamma phases were successfully obtained by the sintering process. A simple mixture of the three intermetallic phases was made with a known mass percentage and the XRD pattern of this mixture was collected and analyzed by the Rietveld Method. A diffe...