Abstract
Particle-reinforced aluminium metal matrix composites were ultrasonically brazed. In situ compositing technology of a particle-reinforced bond is described in this article. The joints with lower strength showed a structure of composite material/bond metal/composite material after ultrasonic brazing. The double liquid-solid zones in the base material close to the bond were fabricated by means of melting the base materials at a relatively higher temperature. Then pressure was applied to the samples, the double liquid-solid zones and the bond were mixed with each other and a particle-reinforced bond formed. The microstructure of the particle-reinforced bond is very similar to that of the base composite materials. The shear strength of the bonds was improved dramatically.
| Original language | English |
|---|---|
| Pages (from-to) | 1474-1477 |
| Number of pages | 4 |
| Journal | Materials Science and Technology (United Kingdom) |
| Volume | 25 |
| Issue number | 12 |
| DOIs | |
| State | Published - 1 Dec 2009 |
Keywords
- Aluminium matrix composite
- Brazing
- Particle-reinforced bond
- Ultrasonic
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