Pressureless infiltration of aluminum metal-matrix composites
Journal Article
·
· Metallurgical Transactions, A
- Massachusetts Inst. of Tech., Cambridge, MA (United States)
Pressureless infiltration of ceramic preforms by molten aluminum is described. The preforms are SiC with varying amounts of particulate Al, Ti, and Ni. Infiltrants employed are pure Al and Al-12.5 wt pct Si. It is shown that a pressure differential within the preform is required for infiltration, and measurements are made of pressure changes in the preforms during infiltration. Results indicate that atmospheric pressure is essential for infiltration but that capillarity may play a role as well.
- Sponsoring Organization:
- USDOE
- OSTI ID:
- 109793
- Journal Information:
- Metallurgical Transactions, A, Vol. 26, Issue 8; Other Information: PBD: Aug 1995
- Country of Publication:
- United States
- Language:
- English
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