Investigating Sintering Behavior of the Graphene Nanoplatelets (GNPs) Reinforced Aluminum Nanocomposites Via Low Energy Solution Ball Milling

• Autorzy: Baig Zeeshan , Mamat Othman , Mustapha Mazli , Ali Sadaqat

Identyfikatory

DOI

10.24425/amm.2020.132816

• Języki publikacji: EN

Abstrakty

EN

Owing to the excellent properties, graphene nanoplatelets (GNPs) show great reinforcing ability to improve the mechanical and tribological properties of Al nanocomposites for many automotive applications. In this work, the GNPs dispersion and reinforcing effect in Al nanocomposite was tested. Solvent dispersion via tip sonication and facile low energy ball milling (tumbling milling) using two milling speeds 200 and 300 rpm were employed to develop GNPs/Al powders. Sintering response of the GNPs/Al sintered samples wasgauged at two temperatures (550°C and 620°C). The effects of GNPs content, milling rotation speed and sintering temperature on the density, hardness and wear properties of the nanocomposite were examined. The results indicate that relative density % decreases with increasing GNPs content due to possible reagglomeration. The highest hardness of 35.6% and wear rate of 76.68% is achieved in 0.3 wt.% GNPs/Al nanocomposite processed at 300 rpm and 620°C as compared to pure Al due to uniform dispersion, higher diffusion rate at a higher temperature and effective lubrication effect.

Słowa kluczowe

EN

graphene; aluminum; milling; dispersion; hardness; wear

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2020
• Tom: Vol. 65, iss. 2
• Strony: 755--759
• Opis fizyczny: Bibliogr. 17 poz., fot., rys., wzory

Twórcy

autor

Baig Zeeshan

• Department of Metllurgical & Materials Engineering (MME), University of Engineering & Technology (UET), Lahore 54890, Pakistan

autor

Mamat Othman

• Universiti Teknologi Petronas, Mechanical Engineering Department, 32610, Bandar Seri Iskandar, Perak, Malaysia

autor

Mustapha Mazli

• Universiti Teknologi Petronas, Mechanical Engineering Department, 32610, Bandar Seri Iskandar, Perak, Malaysia

autor

Ali Sadaqat

• School of Mechanical & Manufacturing Engineering, National University of Science and Technology (NUST), H-12, Islamabad 44000, Pakistan

Bibliografia

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Uwagi

EN

1. This work supported by the University Teknologi PETRONAS and thanks to the department of mechanical engineering for providing technical facilities.

PL

2. Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).