Manufacturing Industry
Thermoplastic lined tanks for reactive fluids.(Aerospace)
Advanced Composites Bulletin, December, 2004
Lightweight composite tanks with chemically resistant liners have been developed by US researchers for storage of chemically reactive and/or unstable fluids, such as hydrogen peroxide (used as a fuel for rockets).
The researchers from US National Aeronautics and Space Administration's (NASA's) Marshall Space Flight Center, Alabama, built the tanks around multi-segmented aluminium mandrels.
The mandrels are coated with a mould-release material and heated to a temperature of about 204[degrees]C (400[degrees]F). The mandrel is then coated with a thermoplastic liner material to the desired thickness--typically, 0.38 mm (15 mils)--by thermal spraying. In this process, the liner material in powder form is heated to its melting temperature by a propane torch...
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