Results 111 to 120 of about 15,840 (214)

Impact resistance of composite fan blades [PDF]

open access: yes
The resistance of current-design Pratt and Whitney Aircraft low aspect ratio advanced fiber reinforced epoxy matrix composite fan blades to foreign object damage (FOD) at STOL operating conditions was investigated.
Premont, E. J., Stubenrauch, K. R.
core   +1 more source

Foam composite structures [PDF]

open access: yes
The need to include fire resistant foams into state of the art aircraft interior paneling to increase passenger safety in aircraft fires was studied. Present efforts were directed toward mechanical and fire testing of panels with foam inclusions. Skinned
Delano, C. B., Milligan, R. J.
core   +1 more source

Development and demonstration of manufacturing processes for fabricating graphite/Larc-160 polyimide structural elements, part 4, paragraph B [PDF]

open access: yes
Progress in the development of processes for production of Celion/LARC-160 graphite-polyimide materials, quality control, and the fabrication of Space Shuttle composite structure components is reported.

core   +1 more source

The Theoretical and Experimental Studies on Inelastic Compression Component Determination for T-13 Textile

open access: yesМеханика машин, механизмов и материалов, 2011
The calculating formulas and practical methods to determine inelastic relative compression of yarn families are established for smooth weaving and biaxial fabrics.
Yu.V. Vasilevich   +4 more
doaj  

Influence of quality control variables on failure of graphite/epoxy under extreme moisture conditions [PDF]

open access: yes
Tension tests on graphite/epoxy composites were performed to determine the influence of various quality control variables on failure strength as a function of moisture and moderate temperatures.
Clements, L. L., Lee, P. R.
core   +1 more source

Potential for on-orbit manufacture of large space structures using the pultrusion process [PDF]

open access: yes
On-orbit manufacture of lightweight, high-strength, advanced-composite structures using the pultrusion process is proposed. This process is adaptable to a zero-gravity environment by using preimpregnated graphite-fiber reinforcement systems.
Johnson, Gary S.   +2 more
core   +1 more source

Tackifier for addition polyimides [PDF]

open access: yes
A modification to the addition polyimide, LaRC-160, was prepared to improve tack and drape and increase prepeg out-time. The essentially solventless, high viscosity laminating resin is synthesized from low cost liquid monomers. The modified version takes
Butler, J. M., St.clair, T. L.
core   +1 more source

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