Tech

April 18, 2014

AFRL provides environmentally-preferred alternatives for removing radome coatings

Radomes, tail cones, and other fiberglass or composite components on E-3, KC-135, and B-52 aircraft are coated with polyurethane rain erosion resistant coatings to protect them from the effects of rain erosion in flight. Oklahoma City Air Logistics Complex (OC-ALC) production workers must remove the coatings during depot overhaul to allow for inspection and repair.
Recent changes in requirements have made the use of the traditional paint remover obsolete. To avoid production impacts, OC-ALC production engineers requested assistance from the Air Force Research Laboratory’s Energy and Environment Team.
The E2 Program executes technology engineering, development, and demonstration of environmentally preferable alternative materials and processes to meet user requirements, progress solutions through Technology Readiness Levels, and highlight technology transition activities for Air Force enterprise use.

Research

The E2 program initiated a project to identify, test, demonstrate, and transition suitable alternatives for removing coatings from composite components of the E-3, KC-135, and B-52 aircraft.
The team approached the research problem by:

  • baselining the current depaint process
  • developing a test plan to evaluate alternatives
  • identifying suitable drop-in replacement alternatives
  • conducting lab-scale performance and materials compatibility testing
  • conducting a full-scale field demonstration
  • supporting technology transition activities

Six potential alternative strippers, all benzyl alcohol based, underwent laboratory testing to evaluate effectiveness and effects on the composite material substrates.

Following successful laboratory testing, the team selected four alternatives for field demonstration to verify performance in the depot environment. Side-by-side comparison verified that all four alternatives performed satisfactorily and were considered comparable to the previously used material.

As a result, depot requirements were revised to include all four alternative strippers.

Impact The successful execution of this project helped ensure continued operations and weapon system readiness.
And the outcome can be applied to Department of Defense organizations with similar requirements, allowing for environmentally-preferred alternatives for effective coatings removal.




All of this week's top headlines to your email every Friday.


 
 

 
NASA JPL image

NASA analysis: 11 trillion gallons to replenish California drought losses

NASA JPL image NASA satellite data reveal the severity of California’s drought on water resources across the state. This map shows the trend in water storage between September 2011 and September 2014. It will take about 11 tr...
 
 
NASA photograph by George Hale

NASA’s IceBridge Antarctic campaign wraps up

NASA photograph by George Hale A view from an IceBridge survey flight Nov. 3, 2014, showing a cloud’s shadow on crevassed Antarctic ice. NASA’s Operation IceBridge recently completed its 2014 Antarctic campaign, marking the...
 
 

NASA’s 2014 HS3 hurricane mission investigated four tropical cyclones

NASA photograph NASA’s Global Hawk takes off into the sunset after mission wrap-up at NASA Wallops and heads back to NASA Armstrong. NASA’s Hurricane and Severe Storms Sentinel, or HS3, mission investigated four tropical cyclones in the 2014 Atlantic Ocean hurricane season: Cristobal, Dolly, Edouard and Gonzalo. The storms affected land areas in the Atlantic...
 

 

NASA tests software that may help increase flight efficiency, decrease aircraft noise

NASA researchers Dec. 12 began flight tests of computer software that shows promise in improving flight efficiency and reducing environmental impacts of aircraft, especially on communities around airports. Known as ASTAR, or Airborne Spacing for Terminal Arrival Routes, the software is designed to give pilots specific speed information and guidance so that planes can be...
 
 
nasa-app-challenge

Help U.S. cope with climate change: Enter NASA-USGS data app challenge

NASA in partnership with the U.S. Geological Survey is offering more than $35,000 in prizes to citizen scientists for ideas that make use of climate data to address vulnerabilities faced by the United States in coping with clim...
 
 
dryden-social3

Event introduces attendees to NASA’s aviation contributions

  NASA is transforming aviation by reducing aircraft environmental impacts, enhancing safety and leading the way in revolutionary new technologies. Those are some of the key ideas from a two-day NASA Aeronautics Research M...
 




0 Comments


Be the first to comment!


Leave a Reply

Your email address will not be published. Required fields are marked *

You may use these HTML tags and attributes: <a href="" title=""> <abbr title=""> <acronym title=""> <b> <blockquote cite=""> <cite> <code> <del datetime=""> <em> <i> <q cite=""> <strike> <strong>