Alüminyum Alaşımı AA5052’nin Mekanik Özellikleri ve Performansı: Kapsamlı Bir Analiz

Abstract

Bu çalışma, mükemmel korozyon direnci, şekillendirilebilirliği ve orta derecede mukavemeti nedeniyle çeşitli mühendislik uygulamalarında yaygın olarak kullanılan bir malzeme olan Alüminyum Alaşımı AA5052’nin mekanik özelliklerini ve performansını araştırmaktadır. Araştırma, çekme mukavemeti, sertlik, akma dayanımı, elastisite modülü, ısıl iletkenlik, yorulma dayanımı, darbe tokluğu ve kopmada uzama gibi temel mekanik özelliklerin analizini içermektedir. Her bir mekanik özellik için toplam 20 numune test edilmiştir ve sonuçlar, magnezyum (Mg) ve krom (Cr) yüzdelerinin artmasıyla çekme mukavemeti, sertlik ve yorulma dayanımında genel bir artış eğilimi ortaya koymuştur. Mekanik özellik verileri, AA5052’nin çekme mukavemetinin 220 MPa ile 370 MPa arasında, sertliğin 65 ile 125 Vickers arasında, akma dayanımının 175 MPa ile 310 MPa arasında ve elastisite modülünün 69,5 GPa ile 82,0 GPa arasında değiştiğini göstermiştir. Yorulma dayanımı 110 MPa ile 180 MPa arasında, darbe tokluğu ise 22 J ile 52 J arasında değişmiştir. Magnezyum içeriği, çekme mukavemeti ve uzama ile pozitif bir korelasyon göstermiş, krom ise sertlik ve akma dayanımını etkilemiştir. Eşleştirilmiş örneklem T-testleri, çeşitli mekanik özellikler arasında istatistiksel olarak anlamlı korelasyonlar ortaya koymuştur; çekme mukavemeti, sertlik (r = 0,65), akma dayanımı (r = 0,74) ve darbe tokluğu (r = 0,60) ile güçlü bir korelasyon göstermiştir. Bu sonuçlar, mukavemet ve dayanıklılığın kritik olduğu yapısal uygulamalarda alaşımın üstün performansını vurgulamaktadır. Bulgular, endüstriyel uygulamalarda geliştirilmiş mekanik performans için alaşımın bileşiminin optimize edilmesine yönelik değerli bilgiler sağlamaktadır.

Keywords

• Alüminyum Alaşımı AA5052,
• Yorulma Dayanımı,
• Darbe Tokluğu,
• Mekanik Özellikler,
• İşleme Teknikleri.

Mechanical Properties and Performance of Aluminium Alloy AA5052: A Comprehensive Analysis

Abstract

This study investigates the mechanical properties and performance of Aluminium Alloy AA5052, a material commonly used in various engineering applications due to its excellent corrosion resistance, formability, and moderate strength. The investigation includes an analysis of key mechanical properties such as tensile strength, hardness, yield strength, modulus of elasticity, thermal conductivity, fatigue strength, impact toughness, and elongation at break. A total of 20 samples were tested for each mechanical property, with results revealing a general trend of increasing tensile strength, hardness, and fatigue strength with increasing percentages of magnesium (Mg) and chromium (Cr). The mechanical property data indicated that the tensile strength of AA5052 ranged from 220 MPa to 370 MPa, while hardness varied from 65 to 125 Vickers, yield strength ranged from 175 MPa to 310 MPa, and modulus of elasticity ranged from 69.5 GPa to 82.0 GPa. Fatigue strength varied from 110 MPa to 180 MPa, and impact toughness ranged from 22 J to 52 J. Magnesium content showed a positive correlation with tensile strength and elongation, whereas chromium influenced hardness and yield strength. Paired sample T-tests revealed statistically significant correlations between various mechanical properties, with tensile strength showing a strong correlation with hardness (r = 0.65), yield strength (r = 0.74), and impact toughness (r = 0.60). These results highlight the alloy's superior performance in structural applications where strength and durability are critical. The findings provide valuable insight into optimizing the alloy's composition for enhanced mechanical performance in industrial applications.

Keywords

• Aluminium Alloy AA5052,
• Fatigue Strength,
• Impact Toughness,
• Mechanical Properties,
• Processing Techniques.

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