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Structure and prope...
Structure and properties of superelastic hard carbon phase created in fullerene-metal composites by high temperature-high pressure treatment
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- Chernogorova, O. (author)
- Baikov Institute of Metallurgy and Materials Science (IMET), Russian Academy of Sciences
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- Drozdova, E. (author)
- Baikov Institute of Metallurgy and Materials Science (IMET), Russian Academy of Sciences
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- Ovchinnikova, I. (author)
- Baikov Institute of Metallurgy and Materials Science (IMET), Russian Academy of Sciences
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- Soldatov, Alexander (author)
- Luleå tekniska universitet,Materialvetenskap
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- Ekimov, E. (author)
- Vereshchagin Institute for High Pressure Physics RAS, Troitsk
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(creator_code:org_t)
- AIP Publishing, 2012
- 2012
- English.
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In: Journal of Applied Physics. - : AIP Publishing. - 0021-8979 .- 1089-7550. ; 111:11
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- Treatment of a fullerene soot extract and metal (Co) powder mixture under pressure of 5 and 8 GPa at 1000 °C leads to the transformation of fullerites into superelastic hard phase (SHP) and to simultaneous sintering of the powder mixture to nonporous composite material reinforced by the SHP particles. The structure of the SHP particles reveals a topological relation to the initial fullerite crystal morphology. Upon indentation, the SHP particles demonstrate an elastic recovery of up to 96. The universal microhardness of the SHP particles HU=26 GPa, and their microhardness HV = 35 GPa. A high ratio between the microhardness and elastic modulus (HV/E = 0.19-0.21) of the SHP particles makes them perspective candidates for design of materials with superior wear resistance and tribological properties.
Subject headings
- NATURVETENSKAP -- Fysik -- Annan fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Other Physics Topics (hsv//eng)
Keyword
- Experimentell fysik
- Experimental physics
Publication and Content Type
- ref (subject category)
- art (subject category)
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