Corrosion performance of AA7178 aluminum alloy reinforced with SiC nanoparticles

Bharat, Nikhil; Bose, P.S.C.

doi:10.1016/j.matlet.2023.135197

Materials Letters

2023

DOI: 10.1016/j.matlet.2023.135197

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Corrosion performance of AA7178 aluminum alloy reinforced with SiC nanoparticles

Nikhil Bharat,

P.S.C. Bose

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Cited by 2 publications

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Studies of SiC‐Filled Al6061 Metal Matrix Composite Optical, Mechanical, Tribological, and Corrosion Behavior with Strengthening Mechanisms

Mantha,

Veeresh Kumar,

Pramod

et al. 2024

Adv Eng Mater

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The objective of the current study is to produce metal matrix composites (MMCs) using ultrasonic‐assisted stir casting and Al6061 alloy reinforced with silicon carbide (SiC) microparticle reinforcement in weight percentages of 0, 2, 4, and 6. The microstructural alterations of Al6061–SiC composites are investigated using a scanning electron microscope (SEM) equipped with an energy‐dispersive X‐ray (EDAX). By adding more nucleation sites for the formation of smaller grains, SiC reinforcement of the Al6061 matrix encourages grain refining. The SiC addition significantly changes the microstructure of Al6061 composites, enhancing their mechanical qualities. In addition to increasing density by 0.6%, hardness by 33%, and tensile strength by 33%. The increased SiC content dramatically decreases elongation by 42%. The strength of Al6061–SiC MMCs is predicted using several strengthening mechanism concepts as part of the continuing investigation. For Al6061–SiC composites, the strengthening contribution from thermal mismatch is more significant than that from Orowan strengthening, Hall–Petch mechanism, and load transmitting effect. Grain refinement interactions, load transmission mechanisms, and the strengthening effects of CTE differences and dislocations between matrix and reinforcement particles are studied. The composite with 6‐weight percent SiC reinforcement performs better in dry sliding wear and corrosion resistance.

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Studies of SiC‐Filled Al6061 Metal Matrix Composite Optical, Mechanical, Tribological, and Corrosion Behavior with Strengthening Mechanisms

Mantha,

Veeresh Kumar,

Pramod

et al. 2024

Adv Eng Mater

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show abstract

Nano SiC-Reinforced AA7178 Matrix Alloy: Corrosion Behavior and Characterization

Bharat,

Bose

2023

Silicon

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Corrosion performance of AA7178 aluminum alloy reinforced with SiC nanoparticles

Cited by 2 publications

References 5 publications

Studies of SiC‐Filled Al6061 Metal Matrix Composite Optical, Mechanical, Tribological, and Corrosion Behavior with Strengthening Mechanisms

Studies of SiC‐Filled Al6061 Metal Matrix Composite Optical, Mechanical, Tribological, and Corrosion Behavior with Strengthening Mechanisms

Nano SiC-Reinforced AA7178 Matrix Alloy: Corrosion Behavior and Characterization

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