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Coherent gradient sensing (CGS) method for fracture mechanics: a review
Author(s) -
TIPPUR H. V.
Publication year - 2010
Publication title -
fatigue and fracture of engineering materials and structures
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.887
H-Index - 84
eISSN - 1460-2695
pISSN - 8756-758X
DOI - 10.1111/j.1460-2695.2010.01492.x
Subject(s) - fracture (geology) , fracture mechanics , materials science , homogeneous , field (mathematics) , composite material , physics , mathematics , statistical physics , pure mathematics
It has been 20 years since the introduction of coherent gradient sensing (CGS) technique for studying fracture problems. In this article, an up‐to‐date review of this full‐field optical method as an experimental fracture mechanics tool is presented. The primary focus here is on contributions of the method to the advancement of fracture mechanics in general and dynamic fracture behaviour of materials in particular. Optical results published by various investigators using CGS to understand fracture of homogeneous materials, bimaterials, particulate composites, fibre reinforced composites and functionally graded materials are reviewed. A few promising new developments such as applications to load bearing problems and combining CGS with other full‐field optical methods to enhance its measurement capabilities are also visited.