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Mechanical and electrical properties of graphene nanosheet reinforced copper matrix composites materials produced by powder metallurgy method      
Yazarlar
Albartouli Ahmed Basheer Mohammed
Prof. Dr. Arif UZUN Prof. Dr. Arif UZUN
Kastamonu Üniversitesi, Türkiye
Özet
This study investigated the mechanical and electrical properties of copper matrix composite materials reinforced with graphene nanosheets. The composite materials were produced using the powder metallurgy method, with several weight percentages graphene nanosheets (0, 0.5, 1 and 1.5) added to the copper matrix powders. The mixed powders were compacted unidirectionally in a steel mold at different pressures (500, 600 and 700 MPa) and sintered in an argon atmosphere at different temperatures (850, 900 and 950°C). Furthermore, the sintered samples were subjected to microstructure analysis, hardness and electrical conductivity measurements. The results showed that the microstructure exhibited porosity and agglomeration with increasing amounts of graphene nanosheets, resulting in a decrease in relative density up to 87.4%. The highest electrical conductivity was 76.59 IACS (0% GNS-500 MPa-950°C), while the lowest was 43.49 IACS (1.5% GNS-500 MPa-850°C). The addition of graphene nanosheets resulted in a relative increase in hardness of up to 1%.
Anahtar Kelimeler
Electrical conductivity | GNS-Cu composite | Powder metallurgy
Makale Türü Özgün Makale
Makale Alt Türü SSCI, AHCI, SCI, SCI-Exp dergilerinde yayımlanan tam makale
Dergi Adı SCIENCE OF SINTERING
Dergi ISSN 0350-820X
Dergi Tarandığı Indeksler SCI-Expanded
Dergi Grubu Q3
Makale Dili Türkçe
Basım Tarihi 01-2023
Cilt No 55
Sayı 3
Sayfalar 399 / 411
Doi Numarası 10.2298/SOS230415027A
Makale Linki http://dx.doi.org/10.2298/sos230415027a