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組成的過冷却と核生成に依拠した均質な等軸微細α-Ti結晶組織形成機構の包括的理解

Research Project

Project/Area Number 25K08345
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 26050:Material processing and microstructure control-related
Research InstitutionThe University of Osaka

Principal Investigator

近藤 勝義  大阪大学, 接合科学研究所, 教授 (50345138)

Project Period (FY) 2025-04-01 – 2028-03-31
Project Status Granted (Fiscal Year 2025)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2027: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2026: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2025: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Keywordsチタン
Outline of Research at the Start

Q値が相対的に大きいNiとBを選択し,脆いTi2Ni化合物相を含むラメラ組織の生成を抑制するNi含有量を計算状態図から導出し,かつ旧β相粒界へのTiBナノウィスカーの合成・分散によってβ→α相変態過程におけるα結晶粒の微細化と配向性緩和を通じて,延性低下を抑えて高強度化と力学的等方性を実現し,本モデルの有効性を検証する.

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Published: 2025-04-17   Modified: 2025-06-20  

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