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Fondu fyre

Heat and erosion resistant concrete used in aerospace applications

Heat and erosion resistant concrete used in aerospace applications

Fondu Fyre, sometimes called Fondue Fyre, is a refractory concrete developed for specialist application. Fondu Fyre is a heat and erosion resistant concrete developed during the Apollo space program. It was developed to withstand the supersonic plume of a rocket engine during launch and hot-fire tests.

Allied Mineral Products based in Ohio holds the registered trademark on the name Fondu Fyre.

Uses

The concrete is used in 2 different mixtures called WA-1 and XB-1. The XB-1 is used as a more fire and erosion resistant layer for covering WA-1 in areas which are directly exposed to the exhaust flame of a rocket engine. The concrete is used on the launch pads of the Kennedy Space Center on the flame deflectors.

Damage

Fondue Fyre was used to repair the damage done on May 31, 2008 to launchpad 39A during the launch of the Space Shuttle Discovery on mission STS-124. After subsequent launch of Space Shuttle Atlantis for mission STS-125 on May 11, 2009 a 25 square metre section of the Fondue Fyre on pad 39A was found to have been damaged by exhaust from the Solid Rocket Booster.

References

References

  1. Lays, E.. (March 1966). "Design Handbook for Protection of Launch* Complexes from Solid Propellant Exhaust". NASA.
  2. "Fondu Fyre". United States Patent and Trademark Office.
  3. "NASA - Spray-on Layer to Protect Flame Trench". NASA.
Info: Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

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