Accelerating Utilization of New Materials

Accelerated Utilization advanced composite advanced materials aerospace AFML agencies aircraft alloy aluminum applications base material Battelle Memorial Institute benefits boron boron filament Boron/epoxy Boron/epoxy brittle bulge crack starter Bureau of Ships cable cent Charpy V-notch impact chemical composition constraints contracts corrosion crack starter tests desired ductility economic effect electrode evaluation explosion bulge crack explosion bulge test fabrication fatigue crack Figure FIORITI & VASTA fracture GFRP glass-reinforced plastic heat treatment heat-affected zone HY-80 steel inches increased industry initial Laboratory limited loading manganese manufacturing martensite Materials Advisory Board materials and processes mechanical properties ment metallurgy Model National Materials Advisory Naval Engineers Journal nondestructive test notch performance plain plate plastic Portsmouth Naval Shipyard preheat pressure hull problems process optimization Research resistance shipyard specimens stress struc structural material Table terial thickness tion titanium family toughness ture weld metal weldable weldments wire yield strength zone