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Solidification of Metallic Melts - Crystallization of the AlSi 18 and AlSi 12,5 Aluminium Silicon Alloys   [Title Translation]

Erstarren von Metallschmelzen - Kristallisation der Aluminium-Silizium-Legierungen AlSi 18 und AlSi 12,5   [Other Title]
Produksjonsår: 1970
Sjanger: Documentary Film
Innspillingssted: n/a

Credits
Production company: IWF (Göttingen)
First released by: IWF (Göttingen)
Distributor: IWF (Göttingen)
Author: Karl Löhberg
  St. Justi


nøkkelord: Aluminiumlegierung, Aluminiumlegierung, Aluminiumlegierung, Kristallisation, Kristallisation, KristallisationEutektikum, Legierung, Leichtmetall, alloy, aluminium alloy, aluminium alloy, aluminium alloy, crystallization, crystallization, crystallization, eutectic, light metal
The crystallization process of aluminium-silicon alloys is observed and filmed through a high-temperature microscope. The film shows the growth of primary silicon crystals in hyper-eutectic melts under slow and rapid cooling and with doping of melt with phosphorus. The eutetic reaction which concludes solidification is also shown, and investigated further, at varying cooling rates in the subsequent sequences. Solidification of an aluminium-silicon alloy modified by sodium salts addition, whose crystallization behaviour is comparable to that of a rapidly cooled unmodified alloy, concludes the film.

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