Mechanical and Physical Characterization Studies of Nano Ceramic Reinforced Al–Mg Hybrid Nanocomposites

The present research aim is to synthesize the aluminum alloy hybrid composite by using different weight percentages of SiC (0wt%, 5wt%, 10wt%, & 15wt%) and Al 2 O 3 (0wt%, 9wt%, 7wt%, and 5wt%) nanoparticle blended with 500 rpm and 700 rpm stir speed via stir casting route assisted with vacuum d...

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Bibliographic Details
Published in:SILICON 2023-07, Vol.15 (10), p.4555-4567
Main Authors: Sekaran, P. Raja, Ramakrishnan, H., Venkatesh, R., Nithya, A.
Format: Article
Language:English
Subjects:
Aluminum
Aluminum base alloys
Aluminum oxide
Bridge construction
Casting alloys
Chemistry
Chemistry and Materials Science
Density
Environmental Chemistry
Hardness
Hybrid composites
Inorganic Chemistry
Lasers
Magnesium
Materials Science
Mechanical properties
Nanocomposites
Optical Devices
Optics
Photomicrographs
Photonics
Polymer Sciences
Porosity
Silicon carbide
Steel bridges
Steel construction
Tensile strength
Vacuum die casting
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Summary:The present research aim is to synthesize the aluminum alloy hybrid composite by using different weight percentages of SiC (0wt%, 5wt%, 10wt%, & 15wt%) and Al 2 O 3 (0wt%, 9wt%, 7wt%, and 5wt%) nanoparticle blended with 500 rpm and 700 rpm stir speed via stir casting route assisted with vacuum die casting (2 × 10 5  bar) to limit the porosity and enhance the density, hardness, impact, yield, and tensile strength of the composites. The influences of stir speed on SEM, physical, and mechanical behavior of the aluminum hybrid composite was experimentally studied. The SEM micrograph revealed the homogenous particle distribution proved with good interface bonding between matrix and reinforcement. The investigation results of the hybrid nanocomposite prepared by 700 rpm stir speed with inversely increased content of SiC and Al 2 O 3 show decreased porosity percentages of less than 1%,and its density was increased nominally. The composite containing 15wt% SiC and 5wt% Al 2 O 3 is found to have superior mechanical properties as the hardness, impact, and tensile strength are enhanced by 49.2%, 20.47%, and 33.15% as compared to Al–Mg cast alloy. Finally, the developed hybrid aluminium alloy composite with exemplary behaviour is recommended for steel bridge construction applications.
ISSN:1876-990X
1876-9918
DOI:10.1007/s12633-023-02473-9