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High-strength co-based alloy with enhanced workability and process for producing the same

外国特許コード F110005229
整理番号 A281-07WO
掲載日 2011年8月26日
出願国 アメリカ合衆国
出願番号 09874608
公報番号 20080185075
公報番号 08529710
出願日 平成20年4月7日(2008.4.7)
公報発行日 平成20年8月7日(2008.8.7)
公報発行日 平成25年9月10日(2013.9.10)
発明の名称 (英語) High-strength co-based alloy with enhanced workability and process for producing the same
発明の概要(英語)

A Co-based alloy being useful as a spiral spring, common spring, wire, cable guide, steel belt, build-up material, guide wire, stent, catheter, etc. There is provided a Co-based alloy having a composition of Co-Al binary system containing 3-13% Al loaded with at least one workability enhancing element selected from among 001 to 50% Ni, 0.01 to 40% Fe and 0.01 to 30% Mn and having a lamellar structure wherein f.c.c. structure alpha-phase and beta(B2)-phase are repeated in layers. The lamellar structure is so regulated that the occupancy ratio of the whole structure is 30 vol. % or above and the layer spacing is 100 mum or less. The Co-based alloy may contain at least one optional component selected from among Ga, Cr, V, Ti, Mo, Nb, Zr, W, Ta, Hf, Si, Rh, Pd, Ir, Pt, Au, B, C and P may be added in a total amount of 0.01 to 60%.

  • 発明者/出願人(英語)
  • ISHIDA KIYOHITO
  • YAMAUCHI KIYOSHI
  • KAINUMA RYOSUKE
  • SUTOU YUJI
  • OMORI TOSHIHIRO
  • JAPAN SCIENCE AND TECHNOLOGY AGENCY
  • ISHIDA KIYOHITO
  • YAMAUCHI KIYOSHI
  • KAINUMA RYOSUKE
  • SUTOU YUJI
  • OMORI TOSHIHIRO
国際特許分類(IPC)
米国特許分類/主・副
  • 148/408
  • 148/425
  • 148/538
参考情報 (研究プロジェクト等) CREST The Innovation of Simulation Technology and the Construction of Foundations for Its Practical Use AREA
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