Microstructural, Mechanical and Wear Characterization of AA-2219/ Si3N4/ZrO2/Graphite Hybrid Composites for Automotive Applications

Praveen, D. Vijay; rao, P. Umamaheswar; Babu, Y. Narendra; Krugon, S.

doi:10.1007/s12633-023-02438-y

Silicon

2023

DOI: 10.1007/s12633-023-02438-y

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Microstructural, Mechanical and Wear Characterization of AA-2219/ Si3N4/ZrO2/Graphite Hybrid Composites for Automotive Applications

D. Vijay Praveen¹,

P. Umamaheswar rao²,

Y. Narendra Babu³

et al.

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2023

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Cited by 1 publication

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Tribological and corrosion characteristics of tetra hybrid particulate-reinforced aluminum composites for aerospace and automotive applications

Ashebir,

Mengesha,

Sinha

et al. 2023

Journal of Composite Materials

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This study investigates Hybrid Particulate-Reinforced Aluminum Matrix Composites (HPRAMCs), a material class known for exceptional physico-mechanical, tribological, and corrosion resistant properties. The research synthesizes HPRAMCs using SiC, Al2O3, graphite (Gr), and sugar cane bagasse ash (SCBA) reinforcements through a powder metallurgy process, followed by sintering at 550°C for 3 h. Comprehensive tests include X-ray diffraction (XRD) for phase analysis, physico-mechanical assessments, tribological evaluations, and corrosion resistance analyses. Notably, secondary reinforcements significantly reduce porosity, with AS4 HPRAMC exhibiting a 0.53% porosity, while AS1 HPRAMC has 1.446%. AS4 HPRAMC displays a remarkable 209.76% increase in compressive strength and a 446.40% boost in material hardness compared to pure aluminum. Secondary reinforcements also improve tribological performance, reducing wear loss by 60.27% and the coefficient of friction by 89.89%. Exceptional corrosion resistance, with an inhibition efficiency of 99.691%, is observed in the AS4 HPRAMC sample, confirmed by scanning electron microscopy (SEM). These findings underline the substantial potential of HPRAMC materials, positioning them as promising candidates for aerostructural components, aircraft systems, automobiles, spacecraft, and high-performance engineering applications.

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Tribological and corrosion characteristics of tetra hybrid particulate-reinforced aluminum composites for aerospace and automotive applications

Ashebir,

Mengesha,

Sinha

et al. 2023

Journal of Composite Materials

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show abstract

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Microstructural, Mechanical and Wear Characterization of AA-2219/ Si3N4/ZrO2/Graphite Hybrid Composites for Automotive Applications

Cited by 1 publication

References 26 publications

Tribological and corrosion characteristics of tetra hybrid particulate-reinforced aluminum composites for aerospace and automotive applications

Tribological and corrosion characteristics of tetra hybrid particulate-reinforced aluminum composites for aerospace and automotive applications

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