Objectives: To investigate the tribological behaviour of aluminium hybrid composites. Aluminium alloy (LM 25) is utilised in aerospace and defence industries. Its wear properties are further improved to increase lifespan components used these sectors. Due their ability resist wear, graphite silicon carbide often manufacture machine tools. The objective identify parameters LM 25 alloy. It was ex...

cu-mo and cu-ti contact structures were fabricated on multi-crystalline silicon substrates to provide a low resistance ohmic contact. deposition steps are done in an excellent vacuum chamber by means of electron beam evaporation and samples are then annealed for the realization of an efficient alloy layer. the effects of process parameters such as film thickness, annealing duration and temperat...

In the present study the effect of phase volume fraction on the reinforcement of microstructure and tensile properties of composite extrusion process Al6061/SiC has been studied. For this purpose, the base alloy Al6061 using pure aluminum ingots, silicon, of Al-50% Mg, Al-10% Cr and a thin copper rod was prepared. Next, the composite Al6061/5% SiC, Al6061/10% SiC, Al6061/15% SiC and Al6061/20% ...

The friction properties of an aluminum-silicon alloy (Al-Si) can be improved by increasing its silicon content. However, this deteriorate the material necessary for engine components. Therefore, alternative approach to reduce is required. This study investigated running-in behavior, reduction from initial stable phase sliding, between Al-Si with varying contents and bearing steel in fully formu...

The formation of an inhomogeneous structure with central segregation occurs in commercial twin-roll cast AA 3003 aluminum alloy. segregations form as manganese, iron, and silicon-rich channels spread the rolling direction. Diffusion silicon during annealing at 450 °C, growth voids due to Kirkendall effect occur. evolution pores studied by scanning electron microscopy X-ray computed tomography s...