The aesthetic enhancement or modification of articles or compone

Details The aesthetic enhancement or modification of articles or compone The aesthetic enhancement or modification of articles or compone

1994-12-01

1996-04-02

Kastler, Scott

Metal treatment

Process of modifying or maintaining internal physical...

Heating or cooling of solid metal

148678, 148680, 148684, 148686, C22F 108, C22F 114

Patent

active

055036910

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.

REFERENCES:
patent: Re31474 (1983-12-01), Brook et al.
patent: 3141799 (1964-07-01), Brellier

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