An Innovative Strategy for Suppressing Interfacial Intermetallic Compounds in Cr-Coated Zr Alloys

Research Project

Project/Area Number	25K17834
Research Category	Grant-in-Aid for Early-Career Scientists
Allocation Type	Multi-year Fund
Review Section	Basic Section 26030:Composite materials and interfaces-related
Research Institution	The University of Tokyo
Principal Investigator	李博東京大学, 大学院工学系研究科(工学部), 特任助教 (80996926)
Project Period (FY)	2025-04-01 – 2028-03-31
Project Status	Granted (Fiscal Year 2025)
Budget Amount *help	¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000) Fiscal Year 2027: ¥130,000 (Direct Cost: ¥100,000、Indirect Cost: ¥30,000) Fiscal Year 2026: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000) Fiscal Year 2025: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Keywords	Crコーティング / 金属間化合物 / 界面 / 微細組織 / 酸化
Outline of Research at the Start	This study aims to suppress ZrCr2 formation at the Cr/Zr interface in Cr-coated Zr alloys by doping specific elements. We will screen effective dopants, optimize their content, and reveal mechanisms to enhance interface stability without losing oxidation resistance.