Yu. V. Bogatov, V. A. Shcherbakov, N. P. Cherezov, M. I. Alymov
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引用次数: 0
摘要
摘要 研究了通过 SHS 加氢和脱氢制备的钛粉与黑碳/硼混合物的燃烧。结果表明，钛粉中的氧和氢含量会影响钛+碳混合物的燃烧特性。研究发现，氢浓度的增加会降低燃烧温度，而其值会随着氧含量的增加而升高。合成钛粉中含 0.6 wt % 氢的混合物不燃烧。当氧气含量为 1 wt %、氢气含量为 0.15 wt % 时，燃烧温度达到最高值，约为 3000°C。与 Ti + C 混合物相反，Ti + B 混合物成分在 SHS 模式下进行反应，无需额外条件，燃烧参数不受钛粉中氧和氢含量的影响。
Combustion of Ti + C and Ti + B Mixtures with Ti Powder Prepared via SHS Hydrogenation and Dehydrogenation
The combustion of mixtures consisting of titanium powder prepared by SHS hydrogenation and dehydrogenation and black carbon/ boron was studied. It was shown that the oxygen and hydrogen content in Ti powder makes an impact on the combustion characteristics of Ti + C mixtures. It was found that an increase in the hydrogen concentration reduces the combustion temperature, meanwhile, its value is increased with increasing the oxygen content. The mixture with 0.6 wt % hydrogen in synthesized Ti powder did not burn. At 1 wt % oxygen and 0.15 wt % hydrogen, the combustion temperature was showed to reach maximum values, about 3000°C. Contrary to Ti + C mixture, Ti + B mixture components reacted in the SHS mode without additional conditions and the combustion parameters are unaffected by the oxygen and hydrogen content in Ti powder.
期刊介绍：
International Journal of Self-Propagating High-Temperature Synthesis is an international journal covering a wide range of topics concerned with self-propagating high-temperature synthesis (SHS), the process for the production of advanced materials based on solid-state combustion utilizing internally generated chemical energy. Subjects range from the fundamentals of SHS processes, chemistry and technology of SHS products and advanced materials to problems concerned with related fields, such as the kinetics and thermodynamics of high-temperature chemical reactions, combustion theory, macroscopic kinetics of nonisothermic processes, etc. The journal is intended to provide a wide-ranging exchange of research results and a better understanding of developmental and innovative trends in SHS science and applications.
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