Acoustic emission testing of composite vessels under sustained loading [PDF]
Acoustic emissions (AE) generated from Kevlar 49/epoxy composite pressure vessels subjected to sustained load-to-failure tests were studied. Data from two different transducer locations on the vessels were compared.
Lark, R. F., Moorhead, P. E.
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Materials testing of the IUS techroll seal material [PDF]
As a part of the investigation of the control system failure Inertial Upper Stage on IUS-1 flight to position a Tracking and Data Relay Satellite (TDRS) in geosynchronous orbit, the materials utilized in the techroll seal are evaluated for possible ...
Hall, W. B., Nichols, R. L.
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Synergistic Enhancement of HCF Lifespan in Carbon-Kevlar/Epoxy Hybrid Composites UsingSilica and Graphene Nanoparticles. [PDF]
Polymers (Basel)Voghofi I +2 more
europepmc +1 more source
Helicopter crashworthiness research program [PDF]
Results are presented from the U.S. Army-Aerostructures Directorate/NASA-Langley Research Center joint research program on helicopter crashworthiness.
Boitnott, Richard L. +2 more
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Mechanical performance and python-based TOPSIS ranking of carbon-filled Kevlar/Basalt/S-glass hybrid epoxy composites for automotive structural applications. [PDF]
Sci RepMohammed R +5 more
europepmc +1 more source
A Protection And Detection Surface (PADS) for damage tolerance [PDF]
A protection and detection surface (PADS) concept was studied for application to composite primary aircraft structures. A Kevlar-epoxy woven face sheet with a Rohacell foam core was found to be the most effective PADS configuration among the ...
Biggers, Sherrill B. +2 more
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Dynamics of Drone Blades Based on Polymer Nanocomposites Incorporating Graphene, Carbon Nanotube, and Fullerene. [PDF]
Polymers (Basel)Gomera WG, Tański T, Kim JY.
europepmc +1 more source
Design of a composite wing extension for a general aviation aircraft [PDF]
A composite wing extension was designed for a typical general aviation aircraft to improve lift curve slope, dihedral effect, and lift to drag ratio.
Adney, P. S., Horn, W. J.
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A comparative multi-objective investigation for metallic and non-metallic materials on the erosion resistance of wind turbine blade with performance evaluation. [PDF]
Sci RepAbou Taleb ASA, Abdelgaliel IH, Aly MF.
europepmc +1 more source
Effects of moisture, elevated temperature, and fatigue loading on the behavior of graphite/epoxy buffer strip panels with center cracks [PDF]
The effects of fatigue loading combined with moisture and heat on the behavior of graphite epoxy panels with either Kevlar-49 or S-glass buffer strips were studied.
Bigelow, C. A.
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