Iron-based shape-memory alloy excellent in shape-memory property, corrosion resistance and high-temperature oxidation resistance
CA 1323511 C · Owner: Moriya, Yutaka · Inventors: Tagawa, Hisatoshi; Sanpei, Tetsuya; Moriya, Yutaka
Overview
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Open the CIPO recordAbstract From the Canadian patent
An iron-based shape-memory alloy excellent in a shape-memory property, a corrosion resistance and a high-temperature oxidation resistance consisting, essentially of:, chromium : from 5.0 to 20.0 wt.% silicon : from 2.0 to 8.0 wt.%, at least one element selected from the group consisting of:, manganese : from 0.1 to 14.8 wt.% nickel : from 0.1 to 20.0 wt.%, cobalt : from 0.1 to 30.0 wt.% copper : from 0.1 to 3.0 wt.%, and, nitrogen : from 0.001 to 0.400 wt.% where,Ni + 0.5 Mn + 0.4 Co + 0.06 Cu, + 0.002 N ? 0.67 (Cr + 1.2 Si) - 3 and, the balance being iron and incidental impurities. - 1 -
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted October 26, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 26, 2010.
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