Nikel Partikül Takviyeli AA5083 Matrisli Metal-Metal Kompozitlerin Üretimi ve Özelliklerinin İncelenmesi

Abstract

Bu çalışmanın amacı, AA5083 alüminyum alaşım matrisi kullanılarak toz metalurjisi yöntemleriyle nikel tozu takviyeli metal-metal kompozitler geliştirmek ve özelliklerini incelemektir. Farklı miktarlardaki nikel partiküllerinin AA5083-Ni kompoziti üzerindeki etkisini analiz etmek için, %5, %10 ve %15 ağırlık yüzdelerinde nikel eklenerek numuneler üretilmiştir. Nikel partiküllerinin homojen bir dağılımını elde etmek için matris ve kompozit tozlar bilyalı değirmenlerde beş saat boyunca karıştırılmıştır. Daha sonra, bu tozlar argon gazı atmosferinde iki saat boyunca 500 MPa basınç altında 500°C'de sıcak preslenmiş ve numuneler oluşturulmuştur. Bu numuneler daha sonra değişen nikel içeriğinin AA5083-Ni metal-metal kompozitler üzerindeki etkisini değerlendirmek için mikroyapı, sertlik, yoğunluk, çekme özellikleri ve korozyon davranışları açısından test edilmiştir

Keywords

• Toz Metalurjisi
• Metal Matrisli kompozit
• Öğütme
• AA5083

Production and Investigation of Properties of Nickel Particle Reinforced AA5083 Matrix Metal-Metal Composites

Abstract

The objective of this study is to develop metal-metal composites reinforced with nickel powder, using an AA5083 aluminum alloy matrix through powder metallurgy methods, and to examine their characteristics. To analyze the influence of different amounts of nickel particles on the AA5083-Ni composite, samples were produced by incorporating nickel at weight percentages of 5%, 10% and 15%. To achieve a uniform distribution of nickel particles, the matrix and composite powders were blended in ball mills for five hours. Subsequently, these powders were hot pressed at 500°C under a pressure of 500 MPa for two hours in an argon gas atmosphere, resulting in the formation of the samples. These samples were then tested for their microstructure, hardness, density, tensile properties and corrosion behaviour to assess the impact of varying nickel content on the AA5083-Ni metal-metal composites.

Keywords

• Powder Metallurgy
• Metal matrix composites
• Milling
• AA5083

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