[3A01-05] 被覆管材料1

[3A02] Cr被覆型事故耐性燃料の開発

(2) Cr/ジルカロイ接合材の強度評価

*魏 子棋¹、Nikolova Neli¹、李 博¹、Cui Lijuan¹、Wei Kejian¹、叶野 翔¹、阿部 弘亨¹ (1. 東京大学)

キーワード：事故耐性燃料 、Cr/ジルカロイ接合、機械的挙動、有限要素法

This presentation is the second in a series of presentations on “Development of Cr-coated Zircaloy for Accident Tolerant Fuels.” The purpose is to investigate the mechanical behavior of Cr-Zircaloy bonded materials under tensile stress, primarily targeting the properties of the Cr/Zry interface. Our findings indicate that the Cr/Zircaloy bonded at 1073 K demonstrates superior interfacial strength compared to those bonded at 1273 K, which is attributed to the fewer formation of intermetallic compounds and interfacial defects during the low-temperature bonding process.