Issue 50

A. Sarkar et alii, Frattura ed Integrità Strutturale, 50 (2019) 86-97; DOI: 10.3221/IGF-ESIS.50.09

da/dN

Crack growth rate

δ c

Ratchet/creep strain accumulated per cycle

D

Material ductility Final crack length Initial crack length

a f

a 0

a i r c

Crack length at i th cycle

Reduction-ratio of crack length

a i,eq

Equivalent crack length

a cr.,eq A, n

Equivalent critical crack length

Material constants in crack growth equation

97