Mechanical, tribological and electrical properties of Cu-CNT composites fabricated by flake powder metallurgy method

• Autorzy: Akbarpour M. R. , Alipour S , Farvizi M. , Kim H. S.

Identyfikatory

DOI

10.1016/j.acme.2019.02.005

• Języki publikacji: EN

Abstrakty

EN

Cu-CNT composites were fabricated by a flake powder metallurgy method, and their microhardness, electrical conductivity, frictional and wear properties were investigated. Homogenous distribution of CNTs in fine-grained Cu matrix was obtained using this process. Microhardness increased with the addition of CNT vol% up to 8% to the Cu matrix, while the conductivity decreased to 79.2 IACS %. Results showed that CNTs play a major role in improving wear resistance by forming a CNT-rich film that acts as a solid lubricant layer. In the synthesized composites, Cu- 4 vol% CNT composite exhibited the best wear and friction properties. The dominant wear mechanisms for the Cu-CNT composites were plastic deformation, abrasion, and flake formation-spalling. Also, a newly modified correlation was proposed for the theoretical calculation of the friction coefficient of Cu-CNT composites consisting agglomerated CNTs.

Słowa kluczowe

EN

metal matrix composites; carbon nanotube; flake powder metallurgy; wear; electrical conductivity

PL

kompozyty; nanorurka węglowa; przewodnictwo elektryczne

• Wydawca: Springer ; Wrocław University of Science and Technology
• Czasopismo: Archives of Civil and Mechanical Engineering
• Rocznik: 2019
• Tom: Vol. 19, no. 3
• Strony: 694--706
• Opis fizyczny: Bibliogr. 48 poz., rys., tab., wykr.

Twórcy

autor

Akbarpour M. R.

• Department of Materials Engineering, Faculty of Engineering, University of Maragheh, Maragheh, P.O. Box 83111- 55181, Iran

autor

Alipour S

• Department of Materials Science and Engineering, Sharif University of Technology, P.O. Box 11365-9466, Azadi Ave., Tehran, Iran

autor

Farvizi M.

• Ceramic Division, Materials and Energy Research Center, P.O. Box 31787-316, Karaj, Iran

autor

Kim H. S.

• Department of Materials Science and Engineering, Pohang University of Science and Technology, Pohang, 790-784, South Korea

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Uwagi

PL

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