1000100001e51e61e71e8020040060080010001200low-alloy steel, mean2024-T3 alu, meantest stopped(run-outs ->)cycles to failure Nstress amplitude (MPa)S-N curves: run-outs are censored, so they are arrows not pointslow-alloy steel, meanlow-alloy steel, failed2024-T3 alu, mean2024-T3 alu, failed