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Monday, May 21, 2007

 

Microwave melting of metals

‘The first part of this Foundry Note describes a technique for using a domestic microwave oven to melt and cast, to accurate shape, small quantities (up to a quarter of a kilo) of bronze, silver, white metal or iron. The technique has been used to cast pieces from ceramic shell moulds up to about 18cm high, and is an accessible alternative to other small-scale melting set-ups, for example the flask casting of jewellery.

The second part of the note describes thoughts and tests which led to the procedure. It offers guidance and some warnings, to anyone making investigations into metal heating by microwave.’




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