Abstract
The microstructure and bonding strength of vacuum-brazed C/C composite and C/C composite with AgCuTi foil are studied. The interface structure of the brazed joint is C/C composite-TiC-eutectic structure of AgCu-TiC-C/C composite. The maximum shear strength of the joint is about 20. MPa and TiC formed at the edge of C/C composite plays a key role in the brazing process. It improves the wettability of the C/C composite and inhibits diffusion of the Ag and Cu atoms in the filler metal and C atoms in the C/C composite. The fracture mode of the brazing joint is brittle. The interface evolution in the brazing process and associated mechanism are discussed. © 2012 Elsevier B.V.
| Original language | English |
|---|---|
| Pages (from-to) | 192-198 |
| Journal | Materials Science and Engineering A |
| Volume | 564 |
| DOIs | |
| Publication status | Published - 1 Mar 2013 |
Research Keywords
- AgCuTi foil
- Brazing
- Carbon/carbon composite
- Fracture
- Microstructure
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