On the relationship between J-integral and CTOD for CT and SENB specimens | Zendy

S. K. Kudari | Zendy; Krishnaraja G. Kodancha | Zendy

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On the relationship between J-integral and CTOD for CT and SENB specimens

Author(s) -

S. K. Kudari,

Krishnaraja G. Kodancha

Publication year - 2008

Publication title -

frattura ed integrità strutturale

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.368

H-Index - 19

ISSN - 1971-8993

DOI - 10.3221/igf-esis.06.01

Subject(s) - crack tip opening displacement , materials science , finite element method , enhanced data rates for gsm evolution , j integral , structural engineering , hinge , geometry , fracture (geology) , composite material , mathematics , fracture mechanics , stress intensity factor , computer science , engineering , telecommunications

In this investigation the relationship between J-integral and CTOD is studied considering a Compact Tensile (CT) and Single edge notched bend (SENB) specimens using finite element analysis. The magnitude of CTOD is estimated by 90o-intercept method and also by plastic hinge model. The results indicate that there exists a discrepancy in estimation of CTOD by 90o-intercept method and by plastic hinge model. The CTOD values obtained by both the methods are found to be linearly proportional to J-integral. The linear proportionality constant dn between CTOD and J is found to strongly depend on the method of estimation of CTOD, specimen geometry and a/W ratio of the specimens

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