La présente norme donne la classification des alliages d'or dentaires à couler ainsi que les spécifications auxquelles ils doivent satisfaire et les méthodes d'essais (dureté Vickers, limite conventionnelle d'élasticité, allongement), permettant de les vérifier.
<p>ISO 1562:2004 gives the classification of, and specifies requirements for dental casting gold alloys with at least 60 % mass fraction of gold and at least 75 % mass fraction of gold plus specified platinum group metals (platinum, palladium, iridium, ruthenium and rhodium). Test methods are given for providing information on corrosion resistance, tarnishing resistance and electrochemical behaviour.</p> <p>ISO 1562:2004 is applicable to casting alloys suitable for the fabrication of dental restorations and appliances without ceramic veneer.</p>
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