Active Metal Brazing Applied to Joining of ZrO2-Ti Alloy

Kee, Se-Ho; Park, Sang-Yoon; Jung, Jae-Pil; Kim, Won-Joong

doi:2012.30.3.38

J Weld Join > Volume 30(3); 2012 > Article

Journal of KWJS 2012;30(3):38-43.
DOI: https://doi.org/10.5781/KWJS.2012.30.3.38 Published online July 18, 2012.

ZrO₂-Ti합금의 활성금속 브레이징

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Active Metal Brazing Applied to Joining of ZrO2-Ti Alloy

Se-Ho Kee, Sang-Yoon Park, Jae-Pil Jung, Won-Joong Kim

Abstract

  In this study, active metal brazing methods for ZrO₂ and Ti alloy were discussed. To get a successful metal-ceramic bonding, various factors (melting temperature, corrosion, sag resistance, thermal expansion coefficient etc. of base materilas and filler metal) should be considered. Moreover, in order to clarify bonding between the metal and ceramic, the mechanism of the interfacial structure of the joints should be identified. The driving force for the formation of metal and ceramic interfaces is the reduction of the free energy which occurs when their contact becomes complete. Interfacial bonding depends on the material combinations and the bonding processes. This study describes the bonding between ceramic and metal in an active metal brazing.

Key Words: Vibration, Fatigue, Fracture, Intermetallic compound, Pb-free solder