Title:
ホウ素含有純チタン材および同純チタン材の製造方法
Document Type and Number:
Japanese Patent JP5888540
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a method of manufacturing a boron-containing pure titanium material capable of forming an ingot into a plate material by hot rolling in an α-phase region without subjecting the ingot to forging or blooming in a β-phase region, and a boron-containing pure titanium material for a polymer electrolyte fuel cell or a dye-sensitized solar cell manufactured by the same.SOLUTION: In this method of manufacturing a boron-containing pure titanium material, a titanium material is made by adding a boron source to sponge titanium or pure titanium scrap, the titanium material is smelted as an ingot in a vacuum arc melting furnace or an electron beam melting furnace, and the ingot is directly subjected to hot rolling in an α-phase region without subjecting the ingot to hot forging. In this boron-containing pure titanium material, chemical constituents are 0.01-0.3 wt.% of boron, ≤0.25 wt.% of oxygen, ≤0.2 wt.% of nitrogen, unavoidable impurities, and titanium as a residual part; and a TiB phase is dispersed in an α-phase substrate of titanium.
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Inventors:
Masuo Hagiwara
Tomoyuki Kitaura
Osamu Kanano
Tomo Sugawara
Tomoyuki Kitaura
Osamu Kanano
Tomo Sugawara
Application Number:
JP2010222893A
Publication Date:
March 22, 2016
Filing Date:
September 30, 2010
Export Citation:
Assignee:
Kyushu Institute of Technology
Toho Titanium Co., Ltd.
Toho Titanium Co., Ltd.
International Classes:
C22C14/00; C22B9/20; C22B9/22; C22F1/18; H01B1/02; H01B13/00; H01M8/0202; H01M14/00
Domestic Patent References:
| JP1168833A | ||||
| JP2004273370A | ||||
| JP5092294A | ||||
| JP7252562A | ||||
| JP2002060871A |
Attorney, Agent or Firm:
Suenari Mikio