Search for dissertations about: "Alec Mitchell"
Found 2 swedish dissertations containing the words Alec Mitchell.
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1. On the shrinkage of metals and its effect in solidification processing
Abstract : The shrinkage during solidification of aluminium and iron based alloys has been studied experimentally and theoretically. The determined shrinkage behaviour has been used in theoretical evaluation of shrinkage related phenomena during solidification. Air gap formation was experimentally studied in cylindrical moulds. READ MORE
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2. On the analysis of cast structure and its changes during hot working of forging ingots
Abstract : Forging ingots are hot worked to consolidate structural imperfections and refine the microstructure. Possible imperfections are segregations, porosities, cracks, and inclusions. In this thesis, techniques and methods for the characterisation of behaviour and properties of ingots and forgings. READ MORE