Fatigue Evaluation of Composite-reinforced, Integrally Stiffened Metal Panels: Summary |
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AF-126 adhesive all-metal panel Aluminum 105 Cycles assuming the metal bonded with AF-126 C. E. Dumesnil composite-metal system Composite-Reinforced Panel Conventional 7075-T6 Aluminum Conventional fatigue COUPON SPECIMEN crack growth rates CRACK LENGTH 2a cycles to failure design criteria design limit load EA-927R adhesive elevated-temperature-cure adhesive Epoxy EVALUATION OF COMPOSITE-REINFORCED fail-safe behavior FAILURE AFTER METAL fatigue and fail-safe fatigue coupons Fatigue Crack FATIGUE EVALUATION FATIGUE LIFE CURVE fatigue loading fatigue tests glass-reinforced coupons graphite graphite-reinforced coupons graphite/epoxy increasing crack length integrally formed INTEGRALLY STIFFENED METAL integrally stiffened panels integrally-formed panel integrally-stiffened metal panel kg/m³ kilograms LIMIT STRESS MN/m² ksi NASA number of cycles outer face sheet outer sheets panel concept Performing Organization Physical Quantity rate of crack Report room-temperature-cure adhesive SI Unit STIFFENED METAL PANELS stiffness ratio stress concentration factor stress levels structural concept System of Units test section total limit load U. S. Customary Units weight