An economical and efficient approach for low-temperature fabrication of YSZ-AZ31B heterogenous joint using ultrasonic waves

To meet the low-temperature requirements of the ZrO2-Mg bonding system, we utilize the ultrasonic diffusion bonding to fabricate YSZ-AZ31B heterogeneous joint. This method has advantages of remarkable efficiency and cost-effectiveness because of the short time (within 8 s), low temperature (200 °C)...

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Bibliographic Details
Published in:Ceramics international 2024-12
Main Authors: Wang, J., Li, Z.L., Fu, J.H., Yi, S.L., Shi, Y., Song, X.G., Feng, J.C.
Format: Article
Language:English
Subjects:
Amorphous Al2O3
Low-temperature diffusion bonding
Ultrasonic waves
YSZ-AZ31B joint
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Summary:To meet the low-temperature requirements of the ZrO2-Mg bonding system, we utilize the ultrasonic diffusion bonding to fabricate YSZ-AZ31B heterogeneous joint. This method has advantages of remarkable efficiency and cost-effectiveness because of the short time (within 8 s), low temperature (200 °C) and cheap filler (Al interlayer) used in the bonding process. The shear strength of the joints reaches 39.4 MPa. It is observed that the amorphous Al2O3 and Al12Mg17+α-Mg form at Al/YSZ and Al/AZ31B interfaces, respectively. Further, the joint bonding mechanism under the ultrasonic action is elucidated.
ISSN:0272-8842
DOI:10.1016/j.ceramint.2024.12.299