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Estimation of K in Ductile CT and SENB Specimens under LEFM and SSY Regimes by J Integral Method: A Review
Karadin B, Satonkar N, Bhat S.
Published in Trans Tech Publications, Ltd.
Volume: 275-277
Pages: 242 - 246
Stress intensity factor (K) is the measure of severity of stress at the crack tip. When K exceeds the critical limit (i.e., the material fracture toughness), the crack grows. K is valid in brittle materials (LEFM) and to some extent in ductile materials also provided there is small scale yielding (SSY) at the crack tip. The paper reviews the numerical methodology to obtain KI of ductile, Mode I cracked, CT and SENB test specimens in LEFM and SSY regimes with the help of J integral method. The numerical values are successfully compared with the theoretical values.
About the journal
JournalApplied Mechanics and Materials
PublisherTrans Tech Publications, Ltd.
Open Access0