Transient Liquid Phase Bonding of Ceramics and Metal Matrix Composites

Abstract:

Transient Liquid Phase Bonding (TLPB) is a joining process that uses liquid as medium for the establishment of an interface between two faying surfaces. In TLPB, as opposed to brazing process, the careful selection of the interlayer materials and the use of a prolonged heat treatment, allows for isothermal solidification and results in interfaces possessing potential service temperature higher than the joining temperature itself. Such a process is attractive for joining ceramics to metals and composites. In this presentation, the applicability of TLPB for various systems: Si3N4/FA-129 iron aluminide alloy, Al2O3/Al2O3, Al-Al2O3/Al-Al2O3, Al-Al2O3/Al-SiC and Al-Al2O3/Al. Results on the interface formation, interfacial microstructure and mechanical properties will be presented. A comparison of the TLPB joint properties with traditional joining for similar systems will be illustrated.

• Periodical: Advances in Science and Technology (Volume 45)
• Pages: 1588-1593
• DOI: https://doi.org/10.4028/www.scientific.net/AST.45.1588
• Online since: October 2006
• Authors: Mathieu Brochu, Fabian Edelmann, Robin Valin, Robin A.L. Drew
• Keywords: Al Matrix Composites, Aluminum (Al), Transient Liquid Phase (TLP) Bonding

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