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...such as compaction dies for ceramics, air bearing shafts (W2C at 500°C) and aluminium extrusion dies (W2C). Free standing shapes, such as crucibles, tubes and plates, can be produced by coating suitable formers which are later removed. See also: Toyota diffusion (TD), Thermal spraying, Electroplating, Electroless plating, Ion implantation and Plasma nitriding/caburising....

...free castings. c. Cu–Be moulds for higher accuracy and surface detail. d. For the best surface detail, electroformed nickel moulds are used. Mould release agents, such as soaps, waxes and baked-on silicone coatings, are used. Moulds are heated using hot air, direct flame or molten salts, or by circulating hot oil through a mould jacket: a. Hot air; slow, accurate...

...free poster [Crossrail] The subterranean tunnels of the Elizabeth line (Crossrail) are scheduled to be fully open in December 2019 4. Leeds Flood Alleviation scheme In December 2015, in the wake of Storm Eva, the River Aire burst its banks and water surged through the city of Leeds. To reduce the future flood risk, a £50 million state-of-the-art flood defence system has...