Diffusion Bonding in Fabrication TA2 Sheets Enhanced Aluminum Foam Sandwich

Abstract:

Aluminum foam sandwiches (AFSs) served as sheet materials have enormous marketing potential for their interesting combinations of excellent properties, such as low density, high specific strength, energy absorption and thermal insulation. In this paper, transient liquid phase (TLP) bonding method was used to prepare pure titanium sheet enhanced AFS (TS-AFS). Fabricated TS-AFS with the dimension of 80×80×18 mm³ presented uniform foam core, and bubbles ranged from 0 mm to 2 mm occupied the most area of cross section. Thickness of interface layer increased with the increase in the holding time. Additionally, metallic compounds of Al₂₀CaTi₂ and Al₂Ti were detected at the bonding joint.

• Periodical: Materials Science Forum (Volume 898)
• Pages: 950-956
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.898.950
• Online since: June 2017
• Authors: Yu Kun An, Si Yi Yang*, Er Tuan Zhao, Xu Huang
• Keywords: Aluminum Foam Sandwiches, Diffusion Bonding, Intermetallic Compound (IMC), TA2 Sheet

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