In-situ SEM observations of fracture behavior of BT25y alloy during tensile process at different temperature

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• 作者：W.J. Zhang ; ^{wenjingzhang1987@163.com} ; X.Y. Song ; S.X. Hui ; W.J. Ye
• 关键词：BT25y alloy ; Fracture behavior ; In-situ SEM observation ; Interface strength ; Grain strength
• 刊名：Materials & Design
• 出版年：2017
• 出版时间：15 February 2017
• 年：2017
• 卷：116
• 期：Complete
• 页码：638-643
• 全文大小：1665 K
• 卷排序：116

文摘

High temperature tensile fracture behavior of BT25y alloy are observed by in-situ tensile observation. Fracture mechanism changes from transgranular at 600 °C to intergranular at 650 °C. Interface strength is lower than grain strength when the deformation temperature is over 650 °C.