Functionally graded materials (FGM) with their superior mechanical properties are widely used in transport engineering (for instance, in aeronautics). The safety and reliability of functionally graded structural members and components depend in a high degree on their fracture behavior. This paper describes a longitudinal fracture analysis of a statically undetermined functionally graded beam structure loaded in torsion. The beam has a circular cross-section. There is a longitudinal crack in the beam. The crack represents a circular cylindrical surface. The beam is under linear creep. The time-dependent energy release rate (ERR) for the longitudinal crack is analyzed by considering the energy balance. Verification is performed by analyzing the compliance. A parametric investigation of the time-dependent ERR is carried-out.
Statically undetermined functionally graded beam under torsion: A longitudinal fracture analysis with considering creep
13TH INTERNATIONAL SCIENTIFIC CONFERENCE ON AERONAUTICS, AUTOMOTIVE AND RAILWAY ENGINEERING AND TECHNOLOGIES (BulTrans-2021) ; 2021 ; Sozopol, Bulgaria
AIP Conference Proceedings ; 2557 , 1
2022-10-13
8 pages
Conference paper
Electronic Resource
English
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