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Влияние легирования сплавов системы Co–Fe карбидами TaC, NbC и WC на их взаимодействие с графитом при нагреве под высоким давлением

Влияние легирования сплавов системы Co–Fe карбидами TaC, NbC и WC на их взаимодействие с графитом при нагреве под высоким давлением

On heating up to 1600 K at a pressure of 4,8–5,0 ГПа the structures of the contact melting zones formed during the interaction of the Co-Fe system alloys doped with TaC, NbC and WC carbides and graphite contain (irrespective of the carbide content of alloys) phases, characteristic both of the stab...

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Bibliographic Details
Main Authors: Боримский, А.И., Нагорный, П.А., Делеви, В.Г., Чипенко, Т.Ю., Крикун, В.Н., Кузьменко, Е.Ф.
Format: Article
Language:Russian
Published: Інститут надтвердих матеріалів ім. В.М. Бакуля НАН України 2006
Series:Породоразрушающий и металлообрабатывающий инструмент – техника и технология его изготовления и применения
Subjects:
Синтез, спекание и свойства сверхтвердых материалов
Online Access:http://dspace.nbuv.gov.ua/handle/123456789/134987
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Summary:On heating up to 1600 K at a pressure of 4,8–5,0 ГПа the structures of the contact melting zones formed during the interaction of the Co-Fe system alloys doped with TaC, NbC and WC carbides and graphite contain (irrespective of the carbide content of alloys) phases, characteristic both of the stable (solid solution - graphite), and metastable (solid solution - Ме₃С-type carbides) states of the alloys. The distributions of phases and sublayers in the contact melting zones correspond to a horizontal section of the phase diagram of the Fe-C system. The sublayer, which forms on the border with graphite and contains no carbides, corresponds to the peritectic region of the diagram at high pressure.

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