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Development of Enriched Borated Aluminum Alloy for Basket Material of Cask for Spent Nuclear Fuel

[+] Author Affiliations
Katsura Kajihara, Yasuhiro Aruga

Kobe Steel, Ltd., Kobe, Japan

Jun Shimojo, Hiroaki Taniuchi, Tsutomu Takeda

Kobe Steel, Ltd., Takasago, Japan

Masatosi Sasaki

Nippon Koshuha Steel Company, Ltd., Tokyo, Japan

Paper No. ICONE10-22025, pp. 235-242; 8 pages
  • 10th International Conference on Nuclear Engineering
  • 10th International Conference on Nuclear Engineering, Volume 4
  • Arlington, Virginia, USA, April 14–18, 2002
  • Conference Sponsors: Nuclear Engineering Division
  • ISBN: 0-7918-3598-7 | eISBN: 0-7918-3589-8
  • Copyright © 2002 by ASME


New enriched borated aluminum alloys manufactured by melting process are developed, which resulted in supplying structural basket materials for spent nuclear fuel packagings. In this process, the borated aluminum alloys were melted in a vacuum induction furnace at elevated temperature than that of ordinary aluminum melting processes. Boron dissolves into the matrix at the temperature of 1273K or more, and fine aluminum diboride is precipitated and uniformly dispersed upon cooling rapidity. It is confirmed that boron is homogeneously dispersed with the fine particles of approximate 5µm in average size in the product. Tensile strength and creep property at elevated temperature in 1mass-%B 6061-T651 plate and 1mass-%B 3004 extruded rectangular pipe as structural materials are examined. It is confirmed that the both of borated aluminum alloys have stable strength and creep properties that are similar to those of ordinary aluminum alloys.

Copyright © 2002 by ASME



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