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Preparation and Properties of Foamable Ni-GNP/AlSi12 Precursor Materials    
Yazarlar (2)
Kılanı A. Mohamed Hassan
Prof. Dr. Arif UZUN Prof. Dr. Arif UZUN
Kastamonu Üniversitesi, Türkiye
Devamını Göster
Özet
In this study, nickel-coated graphene nanoplatelets reinforced AlSi12 precursor materials were produced by powder metallurgy method. For this process, Ni-GNP particles were added to the matrix material AlSi12 powders at different ratios (0%, 0.4%, 0.8% and 1.2% by weight). Then, the mixed powders were cold compressed and extruded at different ratios, and foamable precursor samples with diameters of 6 and 12 mm were produced. Microstructural analyses, density measurements and microhardness tests were carried out to evaluate the effects of Ni-GNPs on the properties of foamable precursor materials. Microstructure and surface analysis of Ni-GNP/AlSi12 precursor materials showed high density, uniform distribution of Ni, localized Si phases and surface oxidation due to reactivity of aluminum. It was revealed that the addition of Ni-GNP led to the formation of Al-Ni intermetallic phases, reduced the Al peak intensity and strengthened the graphene bond with the Al matrix. The relative density increased with increasing extrusion ratio, higher Ni-GNP content decreased the relative density but improved it significantly after extrusion. The maximum hardness was achieved in the precursor materials with the optimum graphene content of 0.4 wt%, while higher amounts led to aggregation, increased porosity and decreased hardness.
Anahtar Kelimeler
Makale Türü Özgün Makale
Makale Alt Türü Diğer hakemli uluslarası dergilerde yayınlanan tam makale
Dergi Adı Kastamonu University Journal of Engineering and Sciences
Dergi ISSN 2667-8209
Dergi Tarandığı Indeksler Index Copernicus, CiteFactor
Makale Dili İngilizce
Basım Tarihi 12-2024
Cilt No 10
Sayı 2
Sayfalar 95 / 104
Doi Numarası 10.55385/kastamonujes.1570731
Makale Linki https://dergipark.org.tr/en/pub/kastamonujes/issue/88786/1570731
BM Sürdürülebilir Kalkınma Amaçları
Atıf Sayıları
Preparation and Properties of Foamable Ni-GNP/AlSi12 Precursor Materials

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