The characterization of the Al-12 Wt Pct Si flake powder produced by a double-disk process

In the study, a double-disk (DD) process was developed to produce highly elongated flakes which are very promising for application as a filler for conductive composites with a plastic matrix. Due to its high stiffness, strength and integrity, the Al-12Si alloy was selected as the experimental alloy....

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Bibliographic Details
Published in:Metallurgical and materials transactions. A, Physical metallurgy and materials science Physical metallurgy and materials science, 1995-01, Vol.26 (6), p.1571-1581
Main Authors: Shue, Kuang-Yuan, Yeh, Jien-Wei
Format: Article
Language:English
Subjects:
Aluminum alloys
Applied sciences
Aspect ratio
Characterization
Composite materials
Exact sciences and technology
Fabrication
Metal powders
Metals. Metallurgy
Morphology
Particle size analysis
Powder metallurgy. Composite materials
Production techniques
Quenching
Solidification
Stiffness
Strength of materials
Temperature
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Summary:In the study, a double-disk (DD) process was developed to produce highly elongated flakes which are very promising for application as a filler for conductive composites with a plastic matrix. Due to its high stiffness, strength and integrity, the Al-12Si alloy was selected as the experimental alloy. In the powder production, various operational parameters were monitored to reveal their effects on the size distribution and morphology of flakes. Experimental results show that the broad size distribution of the flakes produced by the double-disk process rises from the splat-quenching effect and the formation of interlinked flakes and whisper-shaped flakes.
ISSN:1073-5623
1543-1940
DOI:10.1007/BF02647607