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Elastic-Plastic Mixed-Mode Fracture Criteria and Parameters (Paperback, Softcover reprint of the original 1st ed. 2003)
Loot Price: R2,862
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Elastic-Plastic Mixed-Mode Fracture Criteria and Parameters (Paperback, Softcover reprint of the original 1st ed. 2003)
Series: Lecture Notes in Applied and Computational Mechanics, 7
Expected to ship within 10 - 15 working days
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My wife Tatyana, daughter Mariya, son Alexandr It is well known
that the mixed-mode conditions appear when the direction of the
applied loading does not coincide with the orthogonal K, -Kn-Km
space. In general, in the industrial practice the mixed-mode
fracture and the mixed-mode crack growth are more likely to be
considered the rule than the exception. Miller et al. considers
that cracks can grow due to a mixture of processes (ductile and
brittle), mechanisms (static, fatigue, creep) and loading modes
(tension, torsion, biax ial/multiaxial). Additionally mixed-mode
crack-extension can be affected by many other considerations such
as artifact geometry (thin plates, thick shells, and the size,
shape and orientation of the defect), environmental effects
(temperature, gaseous and liquid surroundings), material state
(crystallographic structure, heat treatment and route of
manufacture) and stress conditions (out-of-phase and ran dom
loading effects). The main feature of the mixed-mode fracture is
that the crack growth would no longer take place in a self-similar
manner and does not follow a universal trajec tory that is it will
grow on a curvilinear path. There are various fracture criteria,
which predict the behavior of cracks in brittle and ductile
materials loaded in combined modes. Linear elastic fracture
mechanics (LEFM) criteria predict basi cally the same direction for
crack propagation. Cracks in brittle materials have been shown to
propagate normal to the maximum tangential stress. In ductile ma
terials yielding occurs at the crack tip and LEFM is no longer
applicable."
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