ISSUE 4/2010

/// 03
Klančnik, G.; Medved, J.; Mrvar, P.
Investigation of Al-Zn foundry alloys with Sb addition

Aluminum-zinc alloys especially ZA alloys are well known for their high as-cast strength, bearing properties, low melting point and low melting energy costs etc. For foundry practice the ZA alloys are used for sand and permanent mould and pressure die casting. Typical compositions are: ZA8, ZA12, ZA27 and up to ZA40. For better mechanical and casting properties Al-Zn alloys are modified with different additives. In this paper the thermodynamical investigation of the Al-Zn and Al-Sb-Zn system was done.

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