What is the benefit to add sic and al2o3 as reinforcement in aluminum metal matrix composite?

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Rajnish Modanwal

After diamond and boron nitride, silicon carbide (SiC) is one of the materials that resist abrasion the best. SiC is also 50% harder than tungsten carbide. This makes it perfect for use as wear parts, primarily for seal faces and pump bearings, under high pressures and in challenging conditions. It is remarkably lightweight and shows exceptional resistance to heat shock.

Whereas the addition of Al2O3 improved the mechanical properties of the material.

You can follow my article for the same by using the following DOI.

Thank You!

Article Fabrication and mechanical characterization of glass fiber/A...

Rayappa Shrinivas Mahale

Respected Madam,

SiC and Al2O3 are added as reinforcements to Al MMCs to improve wear resistance. These additives can also help to get homogeneous distribution of the particles in the hybrid composites.

For your reference the papers are attached herewith.

Hope this information is useful.

I. Aliyu

SiC and Al2O3 are hard ceramic materials added as reinforcements to AMCs to improve hardness, strength and wear resistance.

Gautam Behera

If they are well dispersed in the matrix of aluminum, they can provide dispersion strengthening to the alloy. but the size of the particle is important here. Hard particles in soft matrix provides higher temperature strength by pinning grain boundaries and also prevent dislocation motion.

Influence of TiO2 Particle on the Friction Stir Welding of 7075 Al Alloy | SpringerLink

you can follow this

Neeraj Kumar Bhoi

Sweta Biswal,

Please find a comparative study on the different types of reinforcing elements in Aluminum based metal matrix composites with different manufacturing strategies.

Hope this link will be useful:

Article Developments in the aluminum metal matrix composites reinfor...

https://www.sciencedirect.com/science/article/abs/pii/S0921510722000381

Article Aluminum Yttrium Oxide Metal Matrix Composite Synthesized by...

all the best.

Suganth Velumani

The addition of silicon carbide (SiC) and aluminum oxide (Al2O3) as reinforcements in aluminum metal matrix composites (MMCs) can provide several benefits, including:

Improved strength and stiffness: SiC and Al2O3 are both very hard materials with high strength and stiffness. Adding these reinforcements to the aluminum matrix can significantly improve the overall strength and stiffness of the MMC, making it more suitable for use in structural applications.

Improved wear resistance: SiC and Al2O3 have excellent wear resistance, which can improve the durability and lifespan of the MMC. This is especially useful in applications where the MMC will be subjected to high levels of wear and abrasive forces.

Improved thermal stability: SiC and Al2O3 have high melting points and good thermal stability, which can help to improve the overall thermal stability of the MMC. This is especially important in high-temperature applications, where the MMC may be subjected to thermal cycling or elevated temperatures.

Improved corrosion resistance: SiC and Al2O3 have good corrosion resistance, which can help to improve the overall corrosion resistance of the MMC. This is especially useful in applications where the MMC will be exposed to corrosive environments.

Overall, the addition of SiC and Al2O3 as reinforcements in aluminum MMCs can significantly improve the material's mechanical, thermal, and corrosion properties, making it more suitable for a wide range of applications.