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- Title
RSM analysis of impact property and characterization of Al6063-Cu-TiO2-ZrO2 composites fabricated by stir casting process.
- Authors
Podder, Debashis; Chakraborty, Sujoy; Mandal, Uttam Kumar
- Abstract
Aluminum Metal Matrix Composites (AMMCs) are nowadays well-acknowledged engineering materials which have been widely used in the field of automotive and aerospace industries mainly due to its unique properties. Thus, aluminium 6063 alloy has been chosen as base matrix along with copper to prepare the composite where copper has been added as it enhances the thermal and electrical properties. In this present study, stir casting technique has been used to fabricate an aluminium-copper composite by adding titanium dioxide and zirconium dioxide as reinforcements. The effect of different process parameters like percentage of reinforcement, different particle sizes of Zirconium Dioxide (ZrO2) and Titanium Dioxide (TiO2) mixed particulates, percentage of copper, percentage of brick powder, cooling time, percentage of binder and stirring time on impact property have also been studied. Experimental results have been analyzed by signal to noise ratio (SN ratio) plot and analysis of variance (ANOVA) and a response surface model (RSM) has also been used to predict the impact property and to estimate the influencing factors too. Further, the response surface model has been validated by conducting the experiments on the fabricated composites for impact property. The result shows very less variation with the experimental result. The micro-structural properties have also been analyzed by optical microscope, X-ray diffraction (XRD), Energy-dispersive X-ray spectroscopy (EDX), Scanning Electron Microscopy (SEM) and X-ray elemental mapping techniques. The results show an analogous distribution of particles along with the better impact and micro-structural properties.
- Subjects
METALLIC composites; ZIRCONIUM oxide; SIGNAL-to-noise ratio; BORON carbides; TITANIUM dioxide; TITANIUM composites
- Publication
Sādhanā: Academy Proceedings in Engineering Sciences, 2021, Vol 46, Issue 2, p1
- ISSN
0256-2499
- Publication type
Article
- DOI
10.1007/s12046-021-01583-7