Aluminium powder
This was originally produced by mechanical means using a stamp mill to create flakes. Subsequently, a process of spraying molten aluminium to create a powder of droplets was developed by E. J. Hall in the 1920s. The resulting powder might then be processed further in a ball mill to flatten it into flakes for use as a coating or pigment.[1]
Aluminium pigment powder
Aluminium powder is powdered aluminium.
Aluminium powder, if breathed in, is not particularly harmful and will only cause minor irritation. The melting point of aluminium powder is 660 °C.[2]
Usage
- autoclave aerated concrete
- cosmetic colourant
- fingerprint powder[3]
- metallic paint
- pyrotechnics (including the M-80 firecracker)
- refractory
- rocket and missile fuel such as the solid rocket boosters of the Space Shuttle[4]
- thermite
Depending on the usage, the powder is either coated or uncoated.
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See also
- Metal powder
References
- Joseph R. Davies (1993), "Powder Metallurgy Processing", Aluminum and Aluminum Alloys, ASM International, p. 275, ISBN 9780871704962
- Friedman, Raymond (1998). Principles of Fire Protection Chemistry and Physics. Jones & Bartlett Learning. ISBN 9780877654407.
- Champod, Christophe; Lennard, Chris J.; Margot, Pierre; Stoilovic, Milutin (2004-04-27). Fingerprints and Other Ridge Skin Impressions. CRC Press. ISBN 9780203485040.
- Space Shuttle Basics –Solid Rocket Boosters, NASA
External links
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