Journal
INTERNATIONAL JOURNAL OF FATIGUE
Volume 101, Issue -, Pages 263-270Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ijfatigue.2016.10.012
Keywords
Agricultural sprayer; Critical plane-based criterion; Fatigue; Multiaxial loading; T-joint
Funding
- Italian Ministry of Education, University and Research (MIUR)
- National Council for Scientific and Technological Development (CNPq - Brazil)
- Coordination for the Improvement of Higher Education Personnel (CAPES - Brazil)
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This study investigates the applicability of a stress-based approach to multiaxial fatigue strength assessment of fillet-welded tubular T-joints, used in the so-called H component of an agricultural sprayer. Experimental strain measurements on such a structural component under sprayer service conditions have been performed. A finite element analysis of the component is herein developed under linear elastic hypothesis. Finally, a stress-based critical plane criterion is applied to several material points located in the proximity of the intersection between the end of a brace and a chord of one above-mentioned T-joint, where crack nucleation is experimentally observed. (C) 2016 Elsevier Ltd. All rights reserved.
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