Title:
生体用超弾性チタン合金の製造方法及び生体用超弾性チタン合金
Document Type and Number:
Japanese Patent JP3753380
Kind Code:
B2
Abstract:
A biomedical superelastic titanium-based alloy contains 5-40 at% niobium for stabilizing beta-phase of titanium, and contains titanium and unavoidable impurities as the residual part. An independent claim is also included for a method of manufacturing a biomedical superelastic alloy, comprising preparing an ingot of a titanium-based alloy containing titanium (Ti) and niobium (Nb) as an essential component, or the Ti-based alloy further containing molybdenum, aluminum, germanium, gallium and/or indium and unavoidable impurities as the residual part; performing hot-working and cold-working on the ingot; performing annealing after cold-working and a further final cold-working of 20% or more on the Ti-based alloy; and performing heat treatment on the Ti-based alloy at 300[deg]C or more so as not to cause recrystallization or enlargement of crystal grain size due to recrystallization.
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Inventors:
Toyoki Tanaka
Hiroshi Horikawa
Hideki Hosoda
Shuichi Miyazaki
Satoshi Hashimoto
Yoshinori Omatsu
Hiroshi Horikawa
Hideki Hosoda
Shuichi Miyazaki
Satoshi Hashimoto
Yoshinori Omatsu
Application Number:
JP2003199413A
Publication Date:
March 08, 2006
Filing Date:
July 18, 2003
Export Citation:
Assignee:
Furukawa Techno Material Co., Ltd.
Shuichi Miyazaki
Hideki Hosoda
Shuichi Miyazaki
Hideki Hosoda
International Classes:
A61L27/00; C22F1/18; G02C5/00; A61B1/00; A61C7/00; A61C7/20; A61F2/82; A61L17/04; A61L29/00; A61L31/00; A61L31/02; A61M25/01; A61M25/09; A61M29/02; C22C14/00; C22C27/02; C22F1/00; G02C1/00; G02C5/12; H03M3/00
Domestic Patent References:
| JP2005036273A | ||||
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Attorney, Agent or Firm:
Takaho Kawawa