NF EN ISO 1562
Dentistry - Casting gold alloys
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.ISO 1562:2004 is applicable to casting alloys suitable for the fabrication of dental restorations and appliances without ceramic veneer.
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.
ISO 1562:2004 is applicable to casting alloys suitable for the fabrication of dental restorations and appliances without ceramic veneer.
ISO 22674:2006 classifies metallic materials that are suitable for the fabrication of dental appliances and restorations, including metallic materials recommended for use either with or without a ceramic veneer, or recommended for both uses, and specifies their requirements. It further specifies requirements with respect to packaging and marking the products and to the instructions to be supplied for the use of these materials.
- Avant-proposiv
- Introductionv
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1 Domaine d'application1
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2 Références normatives1
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3 Termes et définitions1
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4 Classification2
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5 Exigences2
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5.1 Composition chimique2
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5.2 Biocompatibilité2
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5.3 Propriétés mécaniques2
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5.4 Masse volumique3
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5.5 Résistance à la corrosion3
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5.6 Résistance au ternissement3
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5.7 Comportement électrochimique3
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5.8 Intervalle de fusion3
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6 Échantillonnage4
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7 Préparation des éprouvettes4
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7.1 Généralités4
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7.2 Éprouvettes pour essai de traction4
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8 Essais5
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8.1 Examen visuel5
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8.2 Essai portant sur la limite conventionnelle d'élasticité et sur l'allongement à la rupture (en pourcentage)5
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9 Informations et instructions6
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9.1 Informations6
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9.2 Instructions de mise en ceuvre6
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9.3 Éléments dangereux6
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10 Marquage6
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10.1 Alliage6
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10.2 Emballage7
- Annexe A (informative) Essai de corrosion de la surface - Essai d'immersion statique8
- Annexe B (informative) Essai de ternissement - Essai au sulfure de sodium10
- Annexe C (informative) Essai électrochimique - Essai potentiodynamique12
- Bibliographie18
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