Statistical analysis of solid-state recycled aluminum alloy 2011 chips by hot extrusion | ||||
| Journal of Engineering Science and Military Technologies | ||||
| Article 3, Volume 6, Issue 2, September 2023, Page 86-94 PDF (3.12 MB) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/ejmtc.2023.170073.1237 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
Bola Wagdy  ; Ayman A. Abd El_Wahab; Ramadan Badawy El-gamasy
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| Department of Design and Production Engineering, Faculty of Engineering, Ain Shams University, Cairo, Egypt | ||||
| Abstract | ||||
| The conventional recycling method of aluminum by remelting the scraps is causing environmental problems, material losses, and depletion of energy resources. This paper aims to present an eco-friendly recycling technique for the aluminum alloy AA2011. The chips obtained from the turning operation were collected, compacted into billets, and hot extruded. Experiments were planned according to the design of experiments (DOE) approach. The recycling process parameters were extrusion temperature and ratio. Regression analysis (RA) and analysis of variance (ANOVA) were conducted, and significant mathematical models were obtained. The adopted equations demonstrated the effect of the extrusion parameters on the ultimate tensile strength and the yield strength of the extruded aluminum. The results showed that the extrusion temperature and the extrusion ratio significantly influenced the tensile and yield strengths of the samples. An Optimization process was carried out to maximize the abovementioned mechanical properties of the extrudates. Metallographic analysis was also performed to study the bonding quality between the chips. | ||||
| Keywords | ||||
| Aluminum chips; design of experiments; hot extrusion; solid-state recycling | ||||
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