TY - JOUR SP - 1041 ID - eprints1955 AV - none SN - 0013-7944 TI - Self-similarity and crack growth instability in the correlation between the Paris? constants UR - http://www.sciencedirect.com/science/article/pii/S0013794406004607 A1 - Carpinteri, Alberto A1 - Paggi, Marco Y1 - 2007/// KW - Fatigue crack growth; Paris? law; Paris? constants; Dimensional analysis; Incomplete self-similarity; Crack growth instability; Loading ratio N2 - In this note the question about the existence of a correlation between the parameters C and m of the Paris? law is re-examined. According to dimensional analysis and incomplete self-similarity concepts applied to the linear range of fatigue crack growth, a power-law asymptotic representation relating the parameter C to m and to the governing variables of fatigue is derived. Then, from the observation that the Griffith?Irwin instability must coincide with the Paris? instability at the onset of rapid crack growth, the exponents entering this correlation are determined. A fair good agreement is found between the proposed theory and extensive experimental data. JF - Engineering Fracture Mechanics PB - Elsevier EP - 1053 IS - 7 VL - 74 ER -