Journals / Karadeniz Fen Bilimleri Dergisi / 2023 / Cilt: 13 - Sayı: 1

Investigation of Mechanical and Corrosion Properties of Different Ceramic Reinforced Al Alloy Matrix Nanocomposites

Farklı Seramik Takviyeli Al Alaşım Matrisli Nanokompozitlerin Mekanik ve Korozyon Özelliklerinin İncelenmesi

Pages
1–14
Publication Date
2023-03-15
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

According to the corrosion test results, the sample with the lowest current density was Al 2024-B4C (0.53 A/cm2x10-6) nanocomposite, and it was approximately 87 times lower than the current density of the unreinforced Al 2024 sample (46.12 A/cm2x10-6).

📌 3 Key Takeaways

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Objective & Hypothesis:Aluminum metal matrix composites are materials used in many branches such as aircraft, space, automotive and defense industries.
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Key Findings & Data:In this study, nanocomposite and hybrid nanocomposite samples were produced by powder metallurgy method by adding nano-sized B4C and SiC reinforcements separately and together to aluminum metal matrix composites.
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Conclusion & Impact:According to the corrosion test results, the sample with the lowest current density was Al 2024-B4C (0.53 A/cm2x10-6) nanocomposite, and it was approximately 87 times lower than the current density of the unreinforced Al 2024 sample (46.12 A/cm2x10-6).
🔬Design:Research Article
📍Scope:2024 · 2024 sample
⚙️Variables:Metal Matris Kompozit · B4C · SiC

Abstract

Aluminum metal matrix composites are materials used in many branches such as aircraft, space, automotive and defense industries. Researchers have investigated metal matrix composites by adding different reinforcements in micro size in many studies. In this study, nanocomposite and hybrid nanocomposite samples were produced by powder metallurgy method by adding nano-sized B4C and SiC reinforcements separately and together to aluminum metal matrix composites. The effect of B4C and SiC reinforcement type on the mechanical, physical and corrosion behavior of nanocomposites and hybrid nanocomposites was investigated. As a result of mechanical tests, hardness and bending strength values increased regardless of reinforcement type. The highest hardness (209.9 HB) and bending strength (799.2 MPa) values showed 5% by weight B4C reinforced nanocomposite sample. The lowest porosity value belongs to the unreinforced Al 2024 alloy sample. According to the corrosion test results, the sample with the lowest current density was Al 2024-B4C (0.53 A/cm2x10-6) nanocomposite, and it was approximately 87 times lower than the current density of the unreinforced Al 2024 sample (46.12 A/cm2x10-6).

Özet

Alüminyum metal matrisli kompozitler uçak, uzay, otomotiv ve savunma sanayi gibi birçok dalda kullanılan malzemelerdir. Araştırmacılar birçok çalışmada metal matrisli kompozitlere farklı takviyeleri mikro boyutta ekleyerek araştırmışlardır. Bu çalışmada ise, nano boyutta B4C ve SiC takviyeleri ayrı ayrı ve birlikte alüminyum metal matrisli kompozitlere ilave edilerek nanokompozit ve hibrit nanokompozit numuneler toz metalurjisi yöntemi ile üretilmiştir. B4C ve SiC takviye türünün nanokompozitlerin ve hibrit nanokompozitin mekanik ve korozyon davranışı üzerindeki etkisi incelenmiştir. Mekanik testler sonucu takviye türü ne olursa olsun sertlik ve eğme mukavemeti değerleri artmıştır. En yüksek sertlik (209.9 HB) ve eğme mukavemeti (799.2 MPa) değerleri ağırlıkça %5 B4C takviyeli nanokompozit numune göstermiştir. En düşük porozite değeri ise takviyesiz Al 2024 alaşım numunesine aittir. Korozyon testi sonuçlarına göre ise en düşük akım yoğunluğuna sahip numune Al 2024-B4C (0.53 A/cm2x10-6) nanokompozitidir ve ayrıca takviyesiz Al 2024 numunesinin (46.12 A/cm2x10-6) akım yoğunluğundan yaklaşık 87 kat daha düşüktür.

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Cite This Article

KARABACAK, A. H., ÇANAKÇI, A. (2023). Investigation of Mechanical and Corrosion Properties of Different Ceramic Reinforced Al Alloy Matrix Nanocomposites. Karadeniz Fen Bilimleri Dergisi, Cilt: 13 - Sayı: 1, 1–14. https://ajindex.com/articles/886850

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