Fatigue crack growth in aluminium alloy AlCu5BiPb

Čanžar, Predrag and Kodvanj, Janoš and Bakić, Ante and Tomičević, Zvonimir and Surjak, Martin (2010) Fatigue crack growth in aluminium alloy AlCu5BiPb. = Fatigue crack growth in aluminium alloy AlCu5BiPb. In: 27st Danubia-Adria Symposium on Advances in Experimental Mechanics, 22-25.09.2010, Wroclaw; Poland.

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Official URL: http://bib.irb.hr/prikazi-rad?rad=484085

Abstract

During the service life many engineering components are subjected to complex cyclic loading and fatigue fracture. The purpose of this paper is to present the implementation of a robust cyclic plasticity theory for describing material behaviour near the crack tip in such loading case. The material used in experiment is the aluminium alloy AlCu5BiPb-T8. The experimental procedure included monotonic tensile tests, symmetric and unsymmetric strain-controlled fatigue tests, fracture toughness tests as well as fatigue crack propagation tests. Cylindrical specimens and single edge notch bend (SENB or three-point bend) specimens were used according to the standards ASTM EN 606 and ASTM E1820. Numerical material model is based on multi-component forms of isotropic and kinematic hardening variables in conjunction with von Mises yield criterion. The computational algorithm is implemented in the software ABAQUS and applied to the analysis of a crack growth near the notch. The accuracy of the computational procedure is tested by comparing the computed results with the real experimental data.

Item Type: Conference or Workshop Item (Poster)
Keywords (Croatian): low cycle fatigue; crack growth; aluminium alloy
Subjects: TECHNICAL SCIENCE > Mechanical Engineering
Divisions: 200 Department of Engineering Mechanics > 220 Chair of Experimental Mechanics
Indexed in Web of Science: No
Indexed in Current Contents: No
Date Deposited: 06 Jul 2015 11:40
Last Modified: 17 Nov 2016 12:59
URI: http://repozitorij.fsb.hr/id/eprint/4440

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