Casting of an Mg Alloy Clad Strip Using a Twin Roll Caster Equipped with a Scraper

Toshio Haga; Kentaro Okamura; Shinichi Nishida; Hisaki Watari; Kunio Matsuzaki

doi:10.4028/www.scientific.net/MSF.879.671

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HomeMaterials Science ForumMaterials Science Forum Vol. 879Casting of an Mg Alloy Clad Strip Using a Twin...

Casting of an Mg Alloy Clad Strip Using a Twin Roll Caster Equipped with a Scraper

Abstract:

Casting of an Mg alloy clad strip was attempted with a twin roll caster equipped with a scraper in an oxidizing atmosphere. The base strip was AM60 and the overlay strip was AZ121. The AM60 strip was cast with a roll, and the upper side of the strip was scribed by the scraper. The molten AZ121 was poured on the scribed AM60 strip. The scribed surface of AM60 contacted the molten metal of AZ121 without exposure to the atmosphere. Therefore, the scribed surface was not oxidized. Most of the AZ121 strip was solidified by the other roll. The casting speed was 30 m/min. The roll load was 0.05 kN/mm. The roll speed was very high and the roll load was very small. However, the strips were bonded, and they did not peel with bending until breaking. The interface between the two strips was clear. When AM60 was on the outer side, the results of the V-bending test and the Erichsen test were better. These results mean that the ductility of AZ121 was improved by cladding with AM60.

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Periodical:

Materials Science Forum (Volume 879)

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671-676

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.879.671

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Online since:

November 2016

Authors:

Toshio Haga*, Kentaro Okamura, Shinichi Nishida, Hisaki Watari, Kunio Matsuzaki

Keywords:

Clad Strip, Magnesium Alloy, Scraper, Twin Roll Caster

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References

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