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Interaction of amorphous fullerene C60 with austenite Fe–Ni alloy at high temperatures and pressures.

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Title: Interaction of amorphous fullerene C60 with austenite Fe–Ni alloy at high temperatures and pressures.
Authors: Borisova, P.A.1, Blanter, M.S.2 mike.blanter@gmail.com, Brazhkin, V.V.3, Somenkov, V.A.1, Filonenko, V.P.3, Shuklinov, A.V.4, Vasukov, V.M.4
Source: Journal of Alloys & Compounds. Jan2016, Vol. 656, p383-388. 6p.
Subjects: Fullerenes, High temperatures, Amorphous alloys, Neutron diffraction, Phase transitions
Abstract: Interaction of amorphous fullerite C 60 with austenitic Fe-33.2 wt.% Ni alloy at pressures 0–8 GPa and temperatures 600–1100 °C was studied by neutron diffraction. The amorphous fullerite was obtained by ball milling and mixed with the powder of the crystalline alloy. The interaction at sintering led to the dissolution of carbon in fcc Fe–Ni solid solution and the formation of carbide (Fe, Ni) 3 C, but the Fe–Ni–C alloy did not undergo phase transformations and preserved the original fcc structure. As a result, the alloy hardened, we could also witness a clear barometric effect: at the pressure of 2 GPa the amount of the dissolved carbon, hardness at micro- and nanoindentation turned out to be significantly higher than those at 8 GPa. During sintering amorphous fullerite is undergoing phase transitions and its microhardness is higher than the microhardness of the metal component. At high temperatures of interaction graphite appears. The presence of Fe–Ni alloy in the composite reduces the temperature of graphite formation in comparison with transformations in the pure amorphous fullerene. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Alloys & Compounds is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 110701933
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Interaction of amorphous fullerene C60 with austenite Fe–Ni alloy at high temperatures and pressures.
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  Data: <searchLink fieldCode="AR" term="%22Borisova%2C+P%2EA%2E%22">Borisova, P.A.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Blanter%2C+M%2ES%2E%22">Blanter, M.S.</searchLink><relatesTo>2</relatesTo><i> mike.blanter@gmail.com</i><br /><searchLink fieldCode="AR" term="%22Brazhkin%2C+V%2EV%2E%22">Brazhkin, V.V.</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Somenkov%2C+V%2EA%2E%22">Somenkov, V.A.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Filonenko%2C+V%2EP%2E%22">Filonenko, V.P.</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Shuklinov%2C+A%2EV%2E%22">Shuklinov, A.V.</searchLink><relatesTo>4</relatesTo><br /><searchLink fieldCode="AR" term="%22Vasukov%2C+V%2EM%2E%22">Vasukov, V.M.</searchLink><relatesTo>4</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Alloys+%26+Compounds%22">Journal of Alloys & Compounds</searchLink>. Jan2016, Vol. 656, p383-388. 6p.
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  Data: <searchLink fieldCode="DE" term="%22Fullerenes%22">Fullerenes</searchLink><br /><searchLink fieldCode="DE" term="%22High+temperatures%22">High temperatures</searchLink><br /><searchLink fieldCode="DE" term="%22Amorphous+alloys%22">Amorphous alloys</searchLink><br /><searchLink fieldCode="DE" term="%22Neutron+diffraction%22">Neutron diffraction</searchLink><br /><searchLink fieldCode="DE" term="%22Phase+transitions%22">Phase transitions</searchLink>
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  Data: Interaction of amorphous fullerite C 60 with austenitic Fe-33.2 wt.% Ni alloy at pressures 0–8 GPa and temperatures 600–1100 °C was studied by neutron diffraction. The amorphous fullerite was obtained by ball milling and mixed with the powder of the crystalline alloy. The interaction at sintering led to the dissolution of carbon in fcc Fe–Ni solid solution and the formation of carbide (Fe, Ni) 3 C, but the Fe–Ni–C alloy did not undergo phase transformations and preserved the original fcc structure. As a result, the alloy hardened, we could also witness a clear barometric effect: at the pressure of 2 GPa the amount of the dissolved carbon, hardness at micro- and nanoindentation turned out to be significantly higher than those at 8 GPa. During sintering amorphous fullerite is undergoing phase transitions and its microhardness is higher than the microhardness of the metal component. At high temperatures of interaction graphite appears. The presence of Fe–Ni alloy in the composite reduces the temperature of graphite formation in comparison with transformations in the pure amorphous fullerene. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Group: Ab
  Data: <i>Copyright of Journal of Alloys & Compounds is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.jallcom.2015.09.260
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        Text: English
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        PageCount: 6
        StartPage: 383
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      – SubjectFull: Fullerenes
        Type: general
      – SubjectFull: High temperatures
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      – SubjectFull: Amorphous alloys
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      – SubjectFull: Neutron diffraction
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      – SubjectFull: Phase transitions
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              Text: Jan2016
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