The aesthetic enhancement or modification of articles or components made of non-ferrous metals

A method of enhancing the appearance of a polished surface of an artifact is provided in which the artifact is formed from a non-ferrous alloy, in particular, but not exclusively, a precious metal alloy, chosen to exhibit a martensitic and a parent phase structure. The surface, or relevant part ther...

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Bibliographische Detailangaben
Hauptverfasser:	CORTIE, MICHAEL B, WOLFF, IRA M
Format:	Patent
Sprache:	eng
Schlagworte:	BRACELETS CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS CHEMISTRY COINS DECORATIVE ARTS FERROUS OR NON-FERROUS ALLOYS HABERDASHERY HUMAN NECESSITIES JEWELLERY METALLURGY MOSAICS OTHER PERSONAL ADORNMENTS PAPERHANGING PERFORMING OPERATIONS PRODUCING DECORATIVE EFFECTS TARSIA WORK TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	A method of enhancing the appearance of a polished surface of an artifact is provided in which the artifact is formed from a non-ferrous alloy, in particular, but not exclusively, a precious metal alloy, chosen to exhibit a martensitic and a parent phase structure. The surface, or relevant part thereof, is polished in one of the phases, usually the parent phase, followed by heat treatment to effect a phase transformation, generally to the martensitic phase. This phase change causes a visible surface effect to the polished surface which may be described as a spangle effect.