Fatigue Behavior of Heat Treated AZ31 Magnesium Alloy

Shahad Jassim Mohammed and Sahib Mohammed Mahdi
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Shahad Jassim Mohammed: Materials Engineering Department, Collage of Engineering, Mustansiriyah University, Baghdad, Iraq
Sahib Mohammed Mahdi: Materials Engineering Department, Collage of Engineering, Mustansiriyah University, Baghdad, Iraq

European Journal of Engineering and Technology Research, 2018, vol. 3, issue 2, 31-34

Abstract: This research was done by using three groups, of heat treated AZ31 Magnesium alloy. First group was as received samples, second group was recrystallization annealing samples and third group was solution treated samples. Fatigue test are carried out for applying forces (5, 7.5, 10, 15, and 17.5N) these forces convert to stresses. The stress values are (50.4, 75.6, 100.9, 151.3 and 176.5 Mpa). Fatigue curves have been recorded for heat treated AZ31 Magnesium alloy, also one specimen from each fatigue test group is subjected to hardness and surface roughness test. The results show the as received group fatigue when compared to recrystallization annealing and solution treatment , the failure occur in high number of cycling because of the alloy made by hot extrusion process so it has high compressive stress in addition to high strain hardening.

Keywords: AZ31 Magnesium Alloy; Fatigue Test; Roughness; Hardness; Recrystallization Annealing; Solution Treatments (search for similar items in EconPapers)
Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:epw:ejeng0:v:3:y:2018:i:2:id:60595

DOI: 10.24018/ejeng.2018.3.2.595

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