Fatigue of Magnesium-Based Materials

Albinmousa, Jafar

doi:10.5772/intechopen.85226

Cited by 3 publications

(2 citation statements)

References 31 publications

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“…On the contrary, the texture developed in the forged alloy (Figure 2C) is less favorable for the activation of extension twins leading to a symmetric stabilized response (Figure 5B). A tensile mean stress was reported to be detrimental to the fatigue life of wrought magnesium alloys 42 …”

Section: Resultsmentioning

confidence: 99%

Multiaxial fatigue behavior of low‐temperature closed‐die forged ZK60 extrusion under proportional and non‐proportional loading

Karparvarfard

Roostaei

Behravesh

et al. 2022

Fatigue Fract Eng Mat Struct

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Uniaxial and multiaxial fatigue characteristics of as-extruded and extrudedthen-forged ZK60 magnesium alloys were examined to understand the influence of low-temperature forging on its deformation mechanics. Upon forging, basal texture weakening and grain refinement occurred in ZK60 extrusion. Based on uniaxial results, forging process led to improvements in quasi-static tensile strength and axial cyclic response in high-cycle fatigue regime, whereas shear responses remained unaffected. Biaxial non-proportional tests demonstrated that changing phase angle shift between axial and torsional waveforms had no effect on cyclic axial response, contrary to the shear response. Lastly, critical-plane and energy-based life prediction models were assessed.

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Section: Resultsmentioning

confidence: 99%

Multiaxial fatigue behavior of low‐temperature closed‐die forged ZK60 extrusion under proportional and non‐proportional loading

Karparvarfard

Roostaei

Behravesh

et al. 2022

Fatigue Fract Eng Mat Struct

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“…Recently, magnesium (Mg) has been used in a vast range of applications in different fields including biomedicine and automobile due to their attractive properties. [1][2][3][4][5] Particularly, the light weight of magnesium makes this material extremely attractive for transportation industries, such as automobile and aircraft industries, due to the possibility to reduce the fuel consumption and the gas emission. 6 However, to fully exploit the light weight of Mg, researchers have started focusing on the addition of alloying elements to increase the specific strength of pure Mg.…”

Section: Introductionmentioning

confidence: 99%

Experimental characterization and theoretical prediction of quasi‐static fracture behavior of notched ZK60‐T5 Mg samples

Albinmousa

Peron

Razavi

et al. 2021

Fatigue Fract Eng Mat Struct

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Magnesium and its alloys have increasingly gained attention due to their attractive properties, including the high specific strength that makes them suitable for several applications in different industries. However, their applications in load-bearing components require an understanding of their fracture behavior especially when notches are present which is still limited. The aim of this work is to investigate the fracture behavior of notched ZK60-T5 magnesium.Eleven different U-and V-notched geometries were examined. The mechanical tests showed that the presence of notches reduces the ductility of the material. This was confirmed by the SEM as the size of the shear lips was shown to decrease by increasing the notch acuity. The Strain Energy Density (SED) is used to predict the failure loads of the differently notched samples, and the results suggest high reliability of this approach with deviations between the theoretical and experimental data often lower than 10%.

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Fatigue Failure Prediction of U-Notched ZK60 Magnesium Samples Using the Strain Energy Density Approach

Albinmousa

2021

Metals

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The light weight of magnesium alloys makes them a promising material in different potential industries, such as aerospace and automobile. In addition, magnesium alloys are attractive materials for biomedical applications due to their biocompatibility with the human body. The applications of these alloys in structural parts require an understanding of their fatigue behavior because they are usually subjected to time-varying loading. Furthermore, notches are inevitable in structural parts. Geometrical discontinuities weaken structures because they act as stress raisers. Localized cyclic plasticity around notches leads to crack formation and final failure. The main objective of this research was to investigate the fatigue failure of ZK60-T5 extrusion in the presence of a notch. U-notched specimens with a diameter of 16 mm, notch radius of 1.5 mm, and notch depth of 1.5 mm were machined along the extrusion direction. Cyclic tests were performed under completely reversed cyclic loading and ambient conditions. The results obtained from the cyclic tests of the U-notched specimens were compared with those of unnotched and V-notched specimens to assess the effects of both the presence and the geometry of a notch on fatigue life. The strain energy density approach was successfully used to analyze the fatigue behavior of the U-notch specimens.

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Fatigue of Magnesium-Based Materials

Cited by 3 publications

References 31 publications

Multiaxial fatigue behavior of low‐temperature closed‐die forged ZK60 extrusion under proportional and non‐proportional loading

Multiaxial fatigue behavior of low‐temperature closed‐die forged ZK60 extrusion under proportional and non‐proportional loading

Experimental characterization and theoretical prediction of quasi‐static fracture behavior of notched ZK60‐T5 Mg samples

Fatigue Failure Prediction of U-Notched ZK60 Magnesium Samples Using the Strain Energy Density Approach

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