TOP > 外国特許検索 > IRON-BASED ALLOY HAVING SHAPE-MEMORY PROPERTY AND SUPERELASTICITY AND METHOD FOR MANUFACTURE THEREOF

IRON-BASED ALLOY HAVING SHAPE-MEMORY PROPERTY AND SUPERELASTICITY AND METHOD FOR MANUFACTURE THEREOF

外国特許コード F110004776
整理番号 A282-11WO
掲載日 2011年7月21日
出願国 大韓民国
出願番号 20087012940
公報番号 20080064994
公報番号 101004051
出願日 平成18年11月2日(2006.11.2)
公報発行日 平成20年7月10日(2008.7.10)
公報発行日 平成22年12月31日(2010.12.31)
優先権データ
  • 特願2005-325393 (2005.11.9) JP
発明の名称 (英語) IRON-BASED ALLOY HAVING SHAPE-MEMORY PROPERTY AND SUPERELASTICITY AND METHOD FOR MANUFACTURE THEREOF
発明の概要(英語)

Disclosed is an iron-based alloy having a shape-memory property and superelasticity. The alloy comprises 25-35% by mass of Ni, 13-25% by mass of Co, 2-8% by mass of Al, at least one component selected from the group consisting of 1-5% by mass of Ti, 2-10% by mass of Nb and 3-20% by mass of Ta in a total amount of 1-20% by mass, and the remainder comprising substantially Fe and inavoidable impurities. The iron-based alloy is composed substantially of a gamma-phase and a gamma'-phase and has a re-crystallized coherent tissue wherein a specific crystal orientation is uniform in the gamma-phase, in which the difference between the reverse transformation end temperature and the martensitic transformation start temperature in the thermal hysteresis in martensitic transformation and reverse transformation is 100 DEG C or lower.

  • 出願人(英語)
  • JAPAN SCIENCE AND TECHNOLOGY AGENCY
  • 発明者(英語)
  • ISHIDA KIYOHITO,
  • KAINUMA RYOSUKE,
  • SUTOU YUJI,
  • TANAKA YUUKI
国際特許分類(IPC)
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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