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      Investigation on parametric representation of proportional and nonproportional multiaxial fatigue responses

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          Abstract

          This study aims to investigate fatigue damage resulting from multiaxial fatigue, proportional and/or nonproportional, loading by analyzing stresses and strains over a full domain around a representative stress-strain element. Plain stress-strain transformation of multiaxial hysteresis was performed by varying orientation of plane for 0≤φ≤2π. Parametric representations for both normal and shear stresses and strains were obtained by plotting them in polar figures. These figures show that depending on the applied loading stresses and strains represent definitive known parametric curves. Parametric representation of fatigue damage parameter such as Fatemi-Socie suggests that fatigue damage shall be calculated as the sum of the damage values on all planes. The proposed technique has been shown to improve fatigue life prediction compared to that obtained from the critical plane method.

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          Most cited references 8

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          A CRITICAL PLANE APPROACH TO MULTIAXIAL FATIGUE DAMAGE INCLUDING OUT-OF-PHASE LOADING

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            Deformation behaviour, short crack growth and fatigue livesunder multiaxial nonproportional loading

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              A fatigue criterion for general multiaxial loading

               Jiang (2000)
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                Author and article information

                Journal
                Frattura ed Integrità Strutturale
                Gruppo Italiano Frattura
                01 July 2016
                : 10
                : 37
                : 94-100
                Affiliations
                [1 ] King Fahd University of Petroleum & Minerals,Saudi Arabia
                f8e45e9553644a3f9978da7f27656afb

                This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

                Categories
                Technology
                T
                Electrical engineering. Electronics. Nuclear engineering
                TK1-9971
                Materials of engineering and construction. Mechanics of materials
                TA401-492

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