XXII Convegno Nazionale IGF - Acta Fracturae

alloy analysis ASTM austenite behaviour calcolo carico characterized composite compressive condizioni crack growth crack propagation crack tip cricca curve cycles damage danneggiamento dati defined deformation deformazione displacement ductile elastic elements energy evaluate experimental failure fase fatica fatigue limit ferritic fiber fibre field Figure first Fracture Mechanics fracture surfaces fracture toughness funzione geometry grain graphite graphite nodules hydrogen influence interface intermetallic investigated lavoro lega load martensite material materiale matrix meccaniche mechanical properties mediante method microstructure modello modo modulus notched specimens observed obtained osteon ottenuti parameters parametri particles particolare peening performed phase plastic plastic deformation propagazione prova provino può ratio residual stress resistenza risultati rottura samples scanning electron microscope shape memory alloys shot peening simulation sintering SOMMARIO stata stati stato strain stress concentration structure superficie temperature tensile strength tensile tests tensione tensioni residue TWIP valori values welding zone