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A fast and increment independent technique for continuous calculation of the strain energy dissipated during cyclic loading applied to magnesium alloy AZ31
ID Šolinc, Urša (Author), ID Klemenc, Jernej (Author), ID Nagode, Marko (Author), ID Šeruga, Domen (Author)

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Abstract
The paper introduces a method for calculating the strain energy dissipated during cyclic loading based on Prandtl-Ishlinskii hysteresis operators. The dissipated strain energy is cal- culated continuously throughout the loading procedure, the main advantage of the method being independence from the incremental step size. The Prandtl-Ishlinskii energy model is applied to a rheological model for magnesium alloy AZ31 that correctly simulates the material's complex response when subjected to arbitrary uniaxial loading at room temperature. This approach gives a fast and accurate value of the dissipated strain energy which in turn can be used for estimating the fatigue life of magnesium alloys.

Language:English
Keywords:Prandtl operators, magnesium alloy, elastoplasticity, dissipated energy, fatigue
Work type:Article (dk_c)
Typology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Year:2020
Publication status in journal:Published
Article version:Postprint, final article version, accepted into publication
Number of pages:Str. 1-11
Numbering:Vol. 139
PID:20.500.12556/RUL-117497 This link opens in a new window
UDC:620.178.3:669.721.5(045)
ISSN on article:0142-1123
DOI:10.1016/j.ijfatigue.2020.105779 This link opens in a new window
COBISS.SI-ID:22466563 This link opens in a new window
Publication date in RUL:14.07.2020
Views:487
Downloads:90
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Record is a part of a journal

Title:International journal of fatigue
Shortened title:Int. j. fatigue
Publisher:IPC Science and Technology Press
ISSN:0142-1123
COBISS.SI-ID:25643520 This link opens in a new window

Secondary language

Language:Slovenian
Keywords:Prandtlovi operatorji, magnezijeva zlitina, elastoplastičnost, disipirana energija, utrujanje

Projects

Funder:Drugi - Drug financer ali več financerjev
Name:Ekološki Varen Avtomobil za zeleno mobilnost
Acronym:EVA4green

Funder:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Project number:P2-0182
Name:Razvojna vrednotenja

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