The aesthetic enhancement or modification of articles or components made of non-ferrous metals
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United States of America Patent
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Apr 2, 1996
Issued Date -
N/A
app pub date -
Dec 1, 1994
filing date -
May 6, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
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.
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Cited Art Landscape
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