Blog on imechanica

A T-stress is not supposed contribute to the stress intensity factor because its contribution to the free energy normally does not change during crack growth. However, there are at least three plausible exceptions known to the blogger. These are discussed in the blog. One concerns small cracks on atomistic length scales, where the elastic modulus is known to change for a few atomic layers closest to the crack surface. Another case, in which energy release is caused by progressive buckling in the crack area, is described in the EFM paper "Effect of initial T-stress on stress intensity factor for a crack in a thin pre-stressed layer" published by Zi-Cheng Jiang, Guo-Jin Tang and Xian-Fang Li in Engineering Fracture Mechanics, 150 (2015) p. 19-27. A third related case is discussed in the blog, but there must be more cases. The blogger encourages anyone who has any experience or notions of the kind, to report on the blog site on iMechanica.

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22nd European Conference on Fracture - ECF22 LOADING AND ENVIRONMENT EFFECTS ON STRUCTURAL INTEGRITY
Belgrade, Serbia
26–31. August 2018
Abstracts submission: 15.12.2017
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- November 29-30, 2017. Fatigue Design 2017. Senlis, France. LINK.
- March 14-16, 2018. XXXV Encuentro del Grupo Espanol de Fractura. Malaga, Spain. LINK.
- June 4 - 6, 2018. IGF Workshop. Fracture and Structural Integrity: ten years of "Frattura ed integrità Strutturale". Cassino, Italy. LINK.
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- September 19-21, 2018. 6th International Conference on Crack Paths (CP 2018). Verona, Italy. Abstract submission deadline: 30.11.2017. LINK
- June 24-26, 2019, ICMFF12, 12 International Conference on Multiaxial Fatigue and Fracture, Bordeaux, France, LINK.

- March 30 - April 3, 2020. VAL4, 4th International Conference on Material and Component Performance under Variable Amplitude Loading, Darmstad, Germany. First Announcement.

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