Effect of oxygen on the mechanical properties of copper and copper-matrix composites hardened by melt-synthesized chromium carbides

Тип публикации: статья из журнала

Год издания: 2016

Идентификатор DOI: 10.1134/S0036029516050049

Ключевые слова: Carbides, Chromium, Copper, Gases, Grain refinement, Graphite, Hardening, Mechanical properties, Metallic matrix composites, Oxygen, Thermoanalysis, Chromium carbide, Copper matrix composite, Deoxidation, Effect of oxygen, Gasphase, Nanosized diamonds, Physicomechanical properties, Reaction mixture, Polymer matrix composites

Аннотация: Thermal analysis is used to study the saturation of the copper melt by oxygen from an oxygen-containing gas phase and the possibility of deoxidation of this melt by nanosized diamond–graphite, which enters in the reaction mixture used to synthesize chromium carbide in the production of copper-matrix composites, are studied. The oxygen and chromium carbide contents are found to affect the mechanical properties of copper and copper-matrix composites. Diamond–graphite is shown to have a high refining ability, which can substantially increase the plasticity of copper and copper-matrix composites. A low chromium carbide content is found to play a modifying role in grain refinement, and a high chromium carbide content is shown to cause the formation of a precipitation-hardened structure and an increase in the physicomechanical properties of copper-matrix composites. © 2016, Pleiades Publishing, Ltd.

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Издание

Журнал: Russian Metallurgy (Metally)

Выпуск журнала: Vol. 2016, Is. 5

Номера страниц: 419-423

ISSN журнала: 00360295

Авторы

  • Babkin V.G. (Siberian Federal University)
  • Trunova A.I. (Siberian Federal University)
  • Cherepanov A.I. (Siberian Federal University)

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