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Erschienen in:
2016 | OriginalPaper | Buchkapitel
Alloy ALSi30 Cast in the Process of Rapid Solidification and Consolidated in the Process of Plastic Forming
verfasst von : Wojciech Szymański, Marcin Szymanek, Janusz Żelechowski, Mariusz Bigaj, Maciej Gawlik, Bartłomiej Płonka
Erschienen in: Light Metals 2013
Verlag: Springer International Publishing
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AlSi alloys with high Si content have good strength properties at elevated temperatures and resistance to thermal expansion. The main problem in the production of the classic methods of casting AlSi alloys with Si content above 20% is the formation of large precipitates of primary silicon. To prevent the formation of large precipitates of silicon can be used casting methods of rapid solidification and subsequent consolidation in the process of plastic forming. This paper presents the results of structure alloy AlSi30 cast in rapid solidification process on the wheel and consolidated in the process of extrusion and continuous rotary extrusion. The study was conducted on light microscopy and scanning electron microscope. It was found that the entire volume of the alloy is uniformly distributed fine Si particles.