Combustion Synthesis TiC-Al2O3/Fe FGM and its Resisting Thermal Shock Behaviors

Abstract

Abstract: The microstructure and composition distribution of TiC-Al₂O₃/Fe functionally graded materials(FGM) prepared by SHS/PHIP were studied, and the resisting thermal
shock behavior was analyzed. The results show that TiC-Al₂O₃/Fe FGM has the desired composition distribution. The thermal shock fracture of TiC-Al₂O₃/Fe
FGM originated from the surface on the side of ceramic and propagated perpendicular to the graded layer. And the crack of thermal fatigue originated and propagated in
graded layer. However, no cross-section crevice through the graded layer was found in the two conditions.

Key words: SHS/PHIP, FGM, microstructure, resisting thermal shock behavior

CLC Number:

TB39

ZHANG Wei-Fang,TAO Chun-Hu,XI Nian-Sheng,HAN Jie-Cai,Du Shan-Yi. Combustion Synthesis TiC-Al₂O₃/Fe FGM and its Resisting Thermal Shock Behaviors[J]. Journal of Inorganic Materials.

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Combustion Synthesis TiC-Al₂O₃/Fe FGM and its Resisting Thermal Shock Behaviors

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