Microwave Joining 95-Al2O3 Ceramics Used Al-Si Alloy as Interlayer

Ying Na Zhao; Jia Chen Liu; Hai Xu; Wen Li Zhang

doi:10.4028/www.scientific.net/AMR.291-294.1313

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Microwave Joining 95-Al₂O₃ Ceramics Used Al-Si Alloy as Interlayer

Abstract:

Absorber-microwave material Al-Si alloy powder was used as interlayer to join the 95-Al₂O₃ ceramics. The behaviors curves of time-temperature for Al-Si alloy interlayer and 95-Al₂O₃ ceramics at different microwave power were researched. The interlayer morphology of the joints region was characterized by SEM and the element and phase components were analyzed by EDX and XRD. The results indicated that the loact heating around 95-Al₂O₃ ceramics could be achieved by microwave sintering. The joint interfaces of Al-Si/95-Al₂O₃ formed at microwave 2KW/20min→0KW and the joint mechanism of 95-Al₂O₃ ceramics was transient liquid phase diffusion bond.