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  • Open Daily: 10am - 10pm
    Alley-side Pickup: 10am - 7pm

    3038 Hennepin Ave Minneapolis, MN
    612-822-4611

Open Daily: 10am - 10pm | Alley-side Pickup: 10am - 7pm
3038 Hennepin Ave Minneapolis, MN
612-822-4611
Mechanical and Tribological Studies of Aa7075 Metal Matrix Composites

Mechanical and Tribological Studies of Aa7075 Metal Matrix Composites

Suresh, Sonagiri
Sudhakara, Dara
Reddy, S. Sunil Kumar

Paperback

Technology & Engineering

ISBN10: 6138265904
ISBN13: 9786138265900
Publisher: LAP Lambert Academic Publishing
Published: Oct 27 2025
Pages: 184
Weight: 0.56
Height: 0.42 Width: 6.00 Depth: 9.00
Language: English
Aluminum-based metal matrix nanocomposites (MMNCs) are gaining popularity in automotive, aerospace, and marine industries due to their lightweight, high strength, and excellent wear resistance. In this study, AA 7075 alloy was used as the base material and reinforced with nano-sized aluminum oxide (Al₂O₃), silicon carbide (SiC), and a fixed amount of magnesium (1 wt.%) to improve wettability. These reinforcements were added in varying weight percentages (1%-4%) using the stir casting method, which ensures uniform particle distribution and reduces porosity. Microstructural analysis confirmed a mostly uniform dispersion of particles, while mechanical tests showed that the addition of reinforcements significantly improved hardness, tensile strength, and wear resistance, although ductility slightly decreased. Hybrid composites (Al₂O₃ + SiC) performed better than those with single reinforcements. Overall, the study demonstrates that stir-cast AA 7075 nanocomposites offer enhanced properties and are well-suited for high-performance engineering applications.

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