Heat Treatments Effects on the Fatigue Behaviors of Aluminum Nano-Composite Alloys
DOI:
https://doi.org/10.24996/ijs.2021.62.11(SI).20Keywords:
Nanotechnology, Nano composite, aluminum alloy, high-cycle fatigue, SiCAbstract
The fatigue is one of the major reasons for fracture of materials. Aluminum 7204 AA alloy with various heat treatments and (2.0) wt % of SiC nanoparticles were prepared by stir-casting method under rotating bending loading with ratio of stress (R= -1). The composite was strengthened by SiC particles size of) 10 (nanometre. The fatigue strength and life were obtained experimentally by the family of S-N curves for different heat treatments. The endurance limits (107cycles) for 7204 AA/ 2.0wt% SiC nano-composite fatigue strength as related to untreated nanocomposite was enhanced by 72 and 78.5% for T4 and T6, respectively.The improvement of fatigue properties is due to better spreading of SiC nanoparticles and increased porosity.
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Published
2021-12-23
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Physics
How to Cite
Heat Treatments Effects on the Fatigue Behaviors of Aluminum Nano-Composite Alloys. (2021). Iraqi Journal of Science, 62(11), 4397-4405. https://doi.org/10.24996/ijs.2021.62.11(SI).20
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