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Yves HÉMON: Head of Moulding Methods DepartmentCentre technique des industries de la fonderie
INTRODUCTION
Foundry zinc alloys can be divided into four main classes:
Z-A4 G, Z-A4 U1 G and Z-A4 U3 G alloys, the most widely used for decorative and functional parts. They are processed mainly by pressure die-casting and, to a very limited extent, by gravity die-casting;
Kayem-type alloys, used in the manufacture of press tools (stamping, deep-drawing) and molds for injection, blow molding and plastic forming;
ZA-type alloys differ from the above in that they have a higher aluminum content; ZA 8, ZA 12 (or IIzro 12) and ZA 27 alloys can be processed using all three casting techniques: sand, gravity die and pressure die; their excellent properties make them ideal for mechanical part applications;
friction alloys such as Main Metal, Alzen and Béric.
The composition and characteristics of these alloys are given in the article
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Bibliography
References
Standardization
Association Française de Normalisation (AFNOR): http://www.boutique.afnor.fr
- Produits de fonderie. Alliages d'aluminium et alliages de zinc. Tolérances dimensionnelles des pièces moulées sous pression. (A 66-002). - NF A 66-002 - 09-85
- Revêtements métalliques. Conditions de réception des pièces en alliages de zinc nickelées et chromées. (A 91-103). - A 91-103 - 11-69
- Dessins techniques. Cotation et...
Manufacturers and suppliers (non-exhaustive list)
Directory of suppliers of foundry materials and products
(Centre technique des industries de la fonderie CTIF): http://www.cetif.com
Organizations
Center technique des industries de la fonderie CTIF http://www.ctif.com .
Association zinc fonderie http://www.zinc-fonderie.asso.fr .
Syndicat général des fondeurs de France. http://www.fondeursdefrance.org...
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