The National Centre for Advanced Materials Performance (NCAMP) at Wichita State University’s National Institute for Aviation Research has released the composite material property data and statistical analysis reports, along with the material and process specifications for Hexcel Hexply 8552 prepregs.
According to NCAMP, the lamina and laminate material property data have been generated with FAA oversight and in accordance with the requirements of NCAMP Standard Operating Procedure NSP 100. The test panels, test specimens and test setups have been conformed by the FAA, and the testing has been witnessed by the FAA. The statistical analysis reports have been generated in accordance with the procedures in Composite Material Handbook 17 (CMH-17) Revision G.
Hexcel explain the program was sponsored by NASA Langley Research Centre, and the FAA has provided the necessary oversight to ensure compliance with applicable regulatory requirements. Hexcel say they donated all the materials for the program, and Cessn fabricated over 500 test panels for the baseline qualification and allowables program.
They say the companies that have participated in the equivalency programs are Hawker Beechcraft, Spirit AeroSystems, ATK Space Systems, Boeing Helicopters, Goodrich Aerostructures, Israel Aircraft Industries, Gulfstream Aerospace, Northrop Grumman, Bell Helicopter and Lockheed Martin Aeronautics.
These Hexcel 8552 documents are the first set of qualifications completed by NCAMP and they will be submitting the data and documents to CMH-17 (CMH-17) and Society of Automotive Engineers for further publications.
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