Publication de 4 numéros par an
ISSN Imprimer: 1093-3611
ISSN En ligne: 1940-4360
Indexed in
SUPERIOR MATERIAL PROPERTIES OF HYBRID FILLER-REINFORCED ALUMINUM MMC THROUGH DOUBLE-LAYER FEEDING TECHNIQUE ADOPTED IN BOTTOM TAPPING STIR CASTING
RÉSUMÉ
Aluminum metal matrix composite (AMMCs) is one of the competent materials in aerospace and defence industry among various existing composites. Silicon carbide (2.5 wt.%), magnesium oxide (2.5 wt.%), aluminum oxide (2.5 wt.%) fillers are attempted in this research to improve the mechanical properties of the AA7075 alloy. Single filler-reinforced samples and hybrid filler-reinforced samples are prepared using the double-layer feeding method adopted in the bottom tapping stir casting technique. The mechanical properties of the composite are examined as per ASTM standard, and distributions of fillers are characterized by means of an optical microscope. A drastic increase in tensile strength (34%), yield strength (45%), and hardness (44%) is shown by the AA7075/MgO/SiC/Al2O3 composite. It is also noticed that the injected microfillers are reasonably distributed over the base matrix with low porosity and low agglomeration that aids in obtaining the improved properties.
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Palanikumar K., Eaben Rajkumar S., Pitchandi K., Influence of Primary B4C Particles and Secondary Mica Particles on the Wear Performance of Al6061/B4C/Mica Hybrid Composites, Journal of Bio- and Tribo-Corrosion, 5, 3, 2019. Crossref
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Velavan K., Palanikumar K., Natarajan Elango, Lim Wei Hong, Implications on the influence of mica on the mechanical properties of cast hybrid (Al+10%B4C+Mica) metal matrix composite, Journal of Materials Research and Technology, 10, 2021. Crossref
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Rao Jalli Kantha, Madhusudhan Reddypogula, Rao Thella Babu, Recent Progress in Stir Cast Aluminum Matrix Hybrid Composites: Overview on Processing, Mechanical and Tribological Characteristics, and Strengthening Mechanisms, Journal of Bio- and Tribo-Corrosion, 8, 3, 2022. Crossref
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Natarajan Elango, Razif Muhammad Rusydi Muhammad, Faudzi AAM, Palanikumar K. , Evaluation of a Suitable Material for Soft Actuator Through Experiments and FE Simulations, International Journal of Manufacturing, Materials, and Mechanical Engineering, 10, 2, 2020. Crossref