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The state-of-the-art technology on the carbon fibre reinforced aluminium matrix composites is reviewed. The available raw material, various fabrication techniques along with their effects on the properties of the composites produced and the manufacturing problems encountered are described in...
Intermetallic compounds have been recognized as potentially useful structural materials. They form the basis for high temperature materials of the future. Intermetallic compounds based on aluminum have attractive characteristics of high strength at elevated temperatures, good corrosion and...
A gas pressure liquid metal infiltration technique for producing fiber reinforced Ni3Al/Al2O3 and Ni3Al/Al2O3 composites has been described. Composite bars of 9.5 mm diameter, 150 mm long were produced. It was found necessary to add 0.5 at.%Ti to both Ni3Al and NiAl alloys to obtain adequate...
Rapidly solidified ribbons of a variety of niobium-based alloys have been produced by electron beam melting and splat quenching (EBSQ) onto a rotating copper disc. Microstructural analysis of the beneficial effects of rapid solidification can be performed on the as-solidified and heat treated...
Chemical vapor deposition (CVD) is an established process used to deposit thin films of advanced materials, based on chemical reactions. Three recent developments in CVD materials processing are described. Low pressure CVD is used extensively in the semiconductor, microelectronics, and...
The principles of applying electrical discharge in die-sinking and wire-cutting machines are reviewed. This technique causes material to be eroded by switching electrical current on and off between the tool and the work-piece through a dielectric fluid. For the case of metals and many ceramics...
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