Title:
【発明の名称】原子燃料再処理プラントの製造方法
Document Type and Number:
Japanese Patent JP2581561
Kind Code:
B2
Abstract:
PURPOSE:To decrease possibility of corrosion defect appeared in welded materials in particular, against nitric acid corrosion under intensive gamma irradiation, by forming a layer of a specific metal or its oxide on a surface of austenite steel welding in equipment of nuclear fuel reprocessing plant. CONSTITUTION:A layer of at least one of the metal group consisting of Ti, Zr, Hf, V, Nb and Ta or one of its oxides is formed on a surface of austenite steel welding in the equipment of a nuclear fuel reprocessing plant. The layer enhances anticorrosiveness against nitric acid under intensive gamma irradiation, decreases possibility of corrosion defect of welded materials and increases their reliability and their lives as well.
Inventors:
YOSHIDA SUMI
YOKOSUKA TSUNENOBU
HOSOI NORIFUNE
KUNYA JIRO
HIROSE YASUO
YOKOSUKA TSUNENOBU
HOSOI NORIFUNE
KUNYA JIRO
HIROSE YASUO
Application Number:
JP18445587A
Publication Date:
February 12, 1997
Filing Date:
July 23, 1987
Export Citation:
Assignee:
HITACHI LTD
International Classes:
G21C19/46; G21D1/00; (IPC1-7): G21D1/00; G21C19/46
Domestic Patent References:
| JP61223594A | ||||
| JP60245790A | ||||
| JP51137098A | ||||
| JP58184593A |
Attorney, Agent or Firm:
Tatsuyuki Unuma (1 outside)