Toughness and Fatigue Crack Growth Rate of Textured Metals | Zendy

J. Gil Sevillano | Zendy

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Toughness and Fatigue Crack Growth Rate of Textured Metals

Author(s) -

J. Gil Sevillano

Publication year - 1990

Publication title -

texture stress and microstructure

Language(s) - English

Resource type - Journals

eISSN - 1687-5400

pISSN - 1687-5397

DOI - 10.1155/tsm.12.77

Subject(s) - materials science , paris' law , toughness , composite material , crack closure , metallurgy , fracture toughness , structural engineering , fracture mechanics , engineering

The influence of anisotropy of crystallographic origin on both fracture toughness and the rate ofstage-II ductile fatigue crack growth in textured metals is discussed in terms of a plane-strain smallgeometry change solution for plastic non-hardening materials (a Prandtl-type slip-line field solutionaccounting for anisotropy). Results corresponding to FCC or BCC metals sliding, respectively, on{111}〈 110 〉or {110}〈 111 〉systems are presented. Remarkable effects of both texture toughening andfatigue crack growth rate anisotropy are predicted. Stronger effects are anticipated in moreanisotropic metals (HCP).

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