The Influence of the Dispersion Method on the Microstructure and Properties of MWCNTs/AA6061 Composites

• Autorzy: Dobrzański L. A. , Macek M. , Tomiczek B. , Nuckowski P. M. , Nowak A. J.

Identyfikatory

DOI

10.1515/amm-2016-0203

• Języki publikacji: EN

Abstrakty

EN

The aim of this work was to study the effect of different methods of multi-walled carbon nanotubes (MWCNTs) dispersion, and their influence on the microstructure and properties of aluminium alloy matrix composites produced using the powder metallurgy techniques, such as powder milling/mixing and hot extrusion. The main problem in the manufacturing of nanocomposites is the homogeneous distribution of MWCNTs in the metal matrix. To achieve their proper distribution a high-energy and low-energy mechanical milling, using a planetary ball mill, and mixing, using a turbulent mixer, were applied. Studies have shown that composite materials prepared using milling and extrusion have a much better dispersion of the reinforcing phase, which leads to better mechanical properties of the obtained rods. The low-energy mechanical mixing and mixing using the turbulent mixer neither change the powder morphology nor lead to adequate dispersion of the carbon nanotubes, which directly affects the resulting properties.

Słowa kluczowe

EN

nanocomposites; powder metallurgy; mechanical milling; carbon nanotube; aluminium alloys

• 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: 2016
• Tom: Vol. 61, iss. 2B
• Strony: 1229--1234
• Opis fizyczny: Bibliogr. 18 poz., rys., tab., wykr.

Twórcy

autor

Dobrzański L. A.

• Silesian University of Technology, Institute of Engineering Materials and Biomaterials, Faculty of Mechanical Engineering, 18a Konarskiego Str., Gliwice 44-100, Poland

autor

Macek M.

• Silesian University of Technology, Institute of Engineering Materials and Biomaterials, Faculty of Mechanical Engineering, 18a Konarskiego Str., Gliwice 44-100, Poland

autor

Tomiczek B.

• Silesian University of Technology, Institute of Engineering Materials and Biomaterials, Faculty of Mechanical Engineering, 18a Konarskiego Str., Gliwice 44-100, Poland

autor

Nuckowski P. M.

• Silesian University of Technology, Institute of Engineering Materials and Biomaterials, Faculty of Mechanical Engineering, 18a Konarskiego Str., Gliwice 44-100, Poland

autor

Nowak A. J.

• Silesian University of Technology, Institute of Engineering Materials and Biomaterials, Faculty of Mechanical Engineering, 18a Konarskiego Str., Gliwice 44-100, Poland

Bibliografia

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Uwagi

EN

The works have been implemented within the framework of the project entitled "Determining die importance of the effect of the one-dimensional nanostructural materials on the structure and properties of newly developed functional nanocoruposite and nanoporous materials", funded by the Polish National Science Centre in the framework of the "OPUS" competitions, headed by Prof. Leszek A. Dobrzahski. The project was financed by the National Science Centre granted on the basis of the decision number DEC-2012/07/B/ST8/04070.

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę