Interface Reactions of Joining Al₂O₃ Ceramics by Microwave Method

Abstract:

Nanometer Si powders were used as interlayer materials, which were expected to be microwave heated rapidly and reacted with the surface of Al₂O₃ ceramics to form the low eutectoid compound. The phenomena of element migration of joint samples were investigated by energy dispersive spectroscopy (EDS) and the interface phase transition was analyzed by X-ray diffraction (XRD). The results indicated that the low eutectoid compound of the joint interface wetted and penetrated to the ceramic surface. The variation of micro-hardness at the interface across the parent material was measured by micro-hardness instrument and the interfacial microstructure and the fracture surface were investigated by scanning electron microscopy (SEM).

• Periodical: Advanced Materials Research (Volumes 753-755)
• Pages: 388-391
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.753-755.388
• Online since: August 2013
• Authors: Ying Na Zhao, Xiong Feng Zeng, Gui Qin Hou, Wen Li Zhang
• Keywords: Diffusion, Interface Reactions, Microstructure, Microwave Joining

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