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Синтез нанодисперсных порошков карбидов металлов электровзрывным методом с использованием углеродных наноматериалов

Синтез нанодисперсных порошков карбидов металлов электровзрывным методом с использованием углеродных наноматериалов

Abstract

Проведены экспериментальные исследования возможности синтеза карбидов металлов электровзрывным методом (в качестве проводника использовали вольфрам и молибден). Установлено, что основным фактором, влияющим на фазовый и дисперсный составы синтезированных наноразмерных порошков карбидов, является отношение выделившейся энергии к энергии сублимации проводника. Показано, что выход насыщенных углеродом фаз и дисперсность карбидов возрастает, а содержание остаточного металла в продуктах взрыва уменьшается с ростом величины энергии. Processes of synthesis of nanodispersed powders of carbides in the process of electrical explosion of tungsten and molybdenum conductors in the paste containing carbon nanomaterials are experimentally investigated. The paste is obtained by the method of electric discharge treatment of liquid hydrocarbons. It is established that the main factor influencing the dispersed phase and the compositions of the synthesized powders of carbides of tungsten and molybdenum is the ratio of the energy released in a conductor to the energy of conductor’s sublimation. It is shown that the output of carbon-saturated phases and dispersion of carbides increases and the content of residual metal in explosion products decreases with increasing magnitude of input energy.

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Keywords

электровзрыв проводников, электроразрядная обработка, рентгенофазовый анализ, nanosized carbide powders, УНМ, x-ray diffraction analysis, metal carbides

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green