Growth of multiple fatigue cracks in plates under cyclic tension

Božić, Željko and Wolf, Hinko and Semenski, Damir (2010) Growth of multiple fatigue cracks in plates under cyclic tension. = Growth of multiple fatigue cracks in plates under cyclic tension. Transactions of FAMENA, 34 (1). pp. 1-12. ISSN 1333-1124. Vrsta rada: ["eprint_fieldopt_article_type_article" not defined]. Kvartili JCR: Q4 (2010). Točan broj autora: 3.

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Abstract

Fatigue life of plates damaged with multiple collinear cracks and subjected to cyclic tension loading was investigated. Results of fatigue crack growth tests with a constant tensile stress range were reported for a plate with a single crack and a plate with three collinear equidistant cracks. A simulation procedure based on numerical integration of the differential equation of a crack growth model was introduced. The Mode I stress intensity factor values, KI, were calculated by a FEM program using singular elements and assuming plane stress conditions. Using the Paris law, Klesnil- Lukás and Zheng-Hirt crack growth models, the fatigue life was simulated for the test specimens. Experiments and simulations showed a higher crack growth rate for the specimen with three cracks and 40 shorter fatigue life compared to the specimen with a single crack, which is due to the interaction of multiple cracks.

Item Type: Article (["eprint_fieldopt_article_type_article" not defined])
Keywords (Croatian): Crack growth simulation; Fatigue test; Multiple fatigue cracks
Subjects: TECHNICAL SCIENCE > graphic technology
TECHNICAL SCIENCE > Mechanical Engineering
TECHNICAL SCIENCE > Aviation, rocket and space technology
Divisions: 1300 Department of Aeronautical Engineering > 1310 Chair of Aerodynamics
200 Department of Engineering Mechanics > 220 Chair of Experimental Mechanics
200 Department of Engineering Mechanics > 230 Chair of Mechanical Systems Dynamics
Indexed in Web of Science: Yes
Indexed in Current Contents: No
Quartiles: Q4 (2010)
Citations SCOPUS: 3 (05.12.2016.)
Date Deposited: 15 Apr 2015 11:46
Last Modified: 05 Dec 2016 13:28
URI: http://repozitorij.fsb.hr/id/eprint/3632

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