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Effect of high-pressure treatment temperature on the structure of carbon phases formed from C60 fullerites under pressure
A.A. Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences, Leninskii pr., 49, 119334, Moscow, Russia.
A.A. Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences, Leninskii pr., 49, 119334, Moscow, Russia.
A.A. Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences, Leninskii pr., 49, 119334, Moscow, Russia.
MSU Faculty of Chemistry, Lomonosov Moscow State University, Leninskiye Gory, 1-3, 119991, Moscow, Russia.
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2019 (English)In: Fourth interdisciplinary scientific forum with international participation "New materials and promising technologies" 27–30 November 2018, Moscow, Russian Federation, Institute of Physics (IOP), 2019, article id 012034Conference paper, Published paper (Refereed)
Abstract [en]

The synthesis of metal-matrix composite materials reinforced with superelastic hard carbon particles formed from C60 fullerites includes heating of the metal-fullerite powder mixture to temperatures above 800C under pressure. The structure evolution of the carbon particles upon heating from 700 to 800 C at a pressure of 5 GPa has been studied in detail by Raman spectroscopy and indentation hardness measurements. It is shown that the structure of the carbon particle passes the stage of a nanoscale mixture of one- and two-dimensional polymers with the resulting atomic superelastic solid phase. The determining properties of the carbon particles such as superplasticity and high hardness are attained before the complete disappearance of polymerized fullerites, the remnants of which are responsible for the disintegration of the material upon scratching.

Place, publisher, year, edition, pages
Institute of Physics (IOP), 2019. article id 012034
Series
IOP Conference Series: Materials Science and Engineering, E-ISSN 1757-899X ; 525
National Category
Condensed Matter Physics
Research subject
Experimental Physics
Identifiers
URN: urn:nbn:se:ltu:diva-86195DOI: 10.1088/1757-899X/525/1/012034ISI: 000490925000034Scopus ID: 2-s2.0-85067832250OAI: oai:DiVA.org:ltu-86195DiVA, id: diva2:1576119
Conference
4th interdisciplinary scientific forum with international participation "New materials and promising technologies", Moscow, Russian Federation, November 27-30, 2018
Available from: 2021-06-30 Created: 2021-06-30 Last updated: 2021-06-30Bibliographically approved

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Soldatov, Alexander V

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