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研究了W含量及预热温度对Ti-W-C体系燃烧合成产物相组成及粉末形貌的影响. 研究结果表明, 体系W含量减少, 或燃烧之前进行预热, 通过提高体系的燃烧温度, 其燃烧反应机制由扩散-固溶机制转变为熔化-溶解-析出机制; 结果, 燃烧反应随之完全, 有利于合成单相(Ti, W)C粉末, 且产物粉末粒度增加. 同时合成单相所需的预热温度随W含量增加而提高.

参考文献

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