The microstructure of ZA27 pressure die-castings was examined by scanning and transmission electron microscopy after ageing for 5 years at ambient temperatures. Solidification began with the formation of compact aluminium-rich ...

The effect of copper addition in the range from 0 to 3 % on the tensile creep behaviour of gravity cast alloy ZA-8 has been investigated at a temperature of 120 degrees C and an applied stress of 40 MPa. It was found that ...

Metal matrix composites were produced with modified pressure liquid infiltration equipment using short delta-Al2O3 (Saffil) fibre preforms, containing 10, 15, 20, 25, and 30 vol.-% fibres as reinforcement and the alloy ...

Conventional pressure die casting was used to produce ZA 27 alloy and zinc-aluminum composites with alumina short fibers (Saffil(TM)). While the Brinell hardness of the matrix alloy increased with increasing Saffil fiber ...

It is known that the strength of a metal, as well as wear resistance can be successfully improved by fiber reinforcement. In this study, multiple-layer feed-forward artificial neural network (ANN) modeling for tribological ...

In this study, the microstructure and surface properties of a low-alloy steel (AISI 4140) treated with pulsed plasma were investigated. Three different plasma-gun nozzle distances of (60, 70 and 80) mm and one battery ...

Conventional pressure die-casting was used to produce delta-Al2O3 (Saffil) short fiber reinforced Zn-Al based metal matrix composites, containing 10, 15, 20, 25 and 30 vol.% fibers. The temperature dependence of the ...

A series of Zn-Al-based alloys, one group with 1 % Cu and the other without Cu, was produced by using gravity casting. The effect of Al content on hardness, ultimate tensile strength (UTS), impact strength, and tensile ...

In this investigation, the effect of manganese as an alloying element in the range 0.01%-0.53 wt.%, on the hardness, 0.2% yield, tensile and impact strength, and creep properties of a gravity cast Zn-Al based ZA-8 alloy ...