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3-D Experimental Fracture Analysis at High Temperature
Author(s) -
John H. Jackson,
A. S. Kobayashi
Publication year - 2001
Language(s) - English
Resource type - Reports
DOI - 10.2172/793001
Subject(s) - materials science , fracture (geology) , finite element method , plasticity , j integral , moiré pattern , composite material , aluminium , quantum tunnelling , point (geometry) , structural engineering , geometry , optics , mathematics , physics , engineering , optoelectronics
T*e, which is an elastic-plastic fracture parameter based on incremental theory of plasticity, was determined numerically and experimentally. The T*e integral of a tunneling crack in 2024-T3 aluminum, three point bend specimen was obtained through a hybrid analysis of moire interferometry and 3-D elastic-plastic finite element analysis. The results were verified by the good agreement between the experimentally and numerically determined T*e on the specimen surface

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