کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
831354 | 1470366 | 2011 | 6 صفحه PDF | دانلود رایگان |
This paper presents the fatigue results obtained in high strength spray-formed 7XXX series Al-alloys reinforced with the addition of silicon carbide particulate. This is one in a series of papers reporting on experimental studies completed to analyze the effects of processing and composition on numerous properties of these 7XXX series Al-alloys. In this study, testing was performed in tension on specimens with a constant amplitude axial fatigue cycle of R = −1.0. Test results were also compared with results available in the literature. The metal matrix composite materials displayed a large increase in fatigue strength in comparison to commercial ingot metallurgy 7075-T6 and T7 alloys. The enhanced fatigue performance of the spray formed alloys is attributed to low crack growth rates, resulting from inhomogeneous slip.
► Fatigue analysis of SiC particulate reinforced spray formed aluminum alloys.
► Testing performed in tension with a constant amplitude axial fatigue cycle.
► Reinforced spray formed alloys have improved fatigue performance.
► Reinforced spray formed alloys experience low crack growth.
Journal: Materials & Design - Volume 32, Issues 8–9, September 2011, Pages 4304–4309