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首页> 外文期刊>Journal of Materials Science >EFFECT OF CARBON SOURCES ON THE COMBUSTION SYNTHESIS OF TIC
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EFFECT OF CARBON SOURCES ON THE COMBUSTION SYNTHESIS OF TIC

机译：碳源对TIC燃烧合成的影响

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The effect of carbon sources, i.e. graphite and amorphous carbon, on the reaction mechanism, product morphology, and the rate of combustion reaction between Ti and C to form TiC were studied. A reaction mechanism was proposed for each carbon source from the activation energy of combustion reaction. The microstructure and the composition of reaction products were also investigated. It was observed that graphite fissured in a layered form during the combustion reaction and the reaction between graphite and liquid titanium was accomplished mainly on the surface of the thinly fissured layer. Graphite was found to be more reactive with titanium and titanium carbide synthesized with graphite contains less amount of unreacted carbon and is more close to the stoichiometric TiC. [References: 45]
机译：研究了碳源（即石墨和无定形碳）对反应机理，产物形态以及Ti和C之间燃烧生成TiC的燃烧速率的影响。从燃烧反应的活化能出发，提出了每种碳源的反应机理。还研究了反应产物的微观结构和组成。观察到在燃烧反应期间石墨以层状形式裂化，并且石墨与液态钛之间的反应主要在薄裂化层的表面上完成。发现石墨与钛具有更高的反应性，而用石墨合成的碳化钛包含较少量的未反应碳，并且更接近化学计量的TiC。 [参考：45]

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