SUBINTERFACIAL FRACTURE IN FERRITE-AUSTENITE JOINTS UNDER MODE-III LOADING

— Circumferentially notched cylindrical specimens are tested in torsion to obtain critical J values from crack resistance curves. The specimens are explosion cladded, half ferrite, half austenite, with the interface perpendicular to the cylinder axis and the circumferential notch at, or parallel to,...

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Bibliographic Details
Published in:Fatigue & fracture of engineering materials & structures 1997-11, Vol.20 (11), p.1563-1571
Main Authors: Zelezny, M. F., Tschegg, E. K., Kirchner, H. O. K.
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
Fractures
Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology
Metals. Metallurgy
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Summary:— Circumferentially notched cylindrical specimens are tested in torsion to obtain critical J values from crack resistance curves. The specimens are explosion cladded, half ferrite, half austenite, with the interface perpendicular to the cylinder axis and the circumferential notch at, or parallel to, the interface. Critical J values for crack extension in mode III were found to be a factor 1.1 to 2.1 higher than under comparable mode I loading.
ISSN:8756-758X
1460-2695
DOI:10.1111/j.1460-2695.1997.tb01511.x