Stock material or miscellaneous articles – All metal or with adjacent metals – Foil or filament smaller than 6 mils
Patent
1995-07-13
1998-03-31
Zimmerman, John J.
Stock material or miscellaneous articles
All metal or with adjacent metals
Foil or filament smaller than 6 mils
428660, 428680, 428935, 148518, B32B 1502, C22F 110, C22F 118
Patent
active
057336679
ABSTRACT:
A plated nickel-titanium alloy product having a plated layer of nickel or a nickel alloy containing 5 to 15% by weight of cobalt. This product exhibits excellent surface treatability and workability, as well as shape memory effect and super-elasticity. Thus the product is most suitable for eyeglass frame components or similar ornamental articles.
The product is produced by plating a layer of nickel or a nickel-cobalt alloy on the nickel-titanium alloy, dehydrogenating, cold working with not less than 10% working ratio, and subjecting to a final heat treatment between 300.degree. C. and 900.degree. C. If the final heat treatment is conducted between 750.degree. C. and 900.degree. C. for 10 to 120 seconds, a product with 4% or more super-elasticity at room temperature can be obtained.
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patent: 5069226 (1991-12-01), Yamauchi et al.
patent: 5368661 (1994-11-01), Nakamura et al.
patent: 5452028 (1995-09-01), Iijima
patent: 5490859 (1996-02-01), Mische et al.
Derwent Publication AN 90-152510, no date.
Derwent Publication AN 88-254878, no date.
Aiba Mitsuru
Nakasuji Kazuyuki
Takashima Masaki
Kanto Special Steel Works Ltd.
Sanyo Special Alloys, Ltd.
Sumitomo Metal Industries Ltd.
Zimmerman John J.
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