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rheocasting

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rheocasting [′rē·ō‚kast·iŋ]
(metallurgy)
A process in which a liquid metal is vigorously agitated during initial stages of solidification to produce a globular semisolid structure which remains highly fluid when more than 60% solidification has occurred.


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However, an alternative cliecasting process--semi solid rheocasting (SSR), developed by the Idra Group SRL, Travagliato, Italy, and based on a Massachusetts Institute of Technology patent--has been effective in improving metallurgic casting quality without increasing costs.
In addition to its range of diecasting and squeeze casting systems, IDRA showcased its SSR Technology for semi-solid rheocasting.
This new process does not use billets, but instead cools the molten metal to a semi-solid state at the same site as the die, eliminating the need to transport the slurry from the sod-maker to the die as in regular rheocasting.
 
 
 
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