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Searching entire Technology Site for Casting
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MRAT - 4.031 - Jewellery: Metal Casting
MRATsProjects
The production of a piece of jewellery from molten metal poured into the cavity of a mould. Creating castings using the lost-wax or lost-foam process. 
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MRAT - 1.019 - Heat Processes: Casting
MRATsProjects
The production of a one-piece component, often of complex shape, from molten metal poured into the cavity of a mould which may be of sand, steel, plaster or cuttlefish ‘bone’. Composite moulds, eg, thin MDF forms between steel plates, are sometimes used for one-off exercises, especially when using low-melting point metals.
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PS072 Using plaster of Paris in schools
Administration
This document describes some the hazards associated with plaster of Paris, and how to avoid the risks which these pose.

Focuses particularly on the heat generated, and the expansion of the plaster, as it sets.
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moulded plaster
Matched: Casting
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MRAT - 1.020 - Heat Processes: Casting, Fumes and Sand
MRATsProjects
The production of a one-piece component, often of complex shape, from molten metal poured into the cavity of a sand mould (oil-bonded or green sand). The pattern is sometimes made of expanded polystyrene, which is left in place and is vaporised by the hot metal. Alternatively, a steel mould can be used where re-use is envisaged. Composite moulds, eg, thin MDF forms between steel plates, are sometimes used for one-off exercises, especially when using low-melting point metals.
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