表面活性剂对机械合成Ti5Si3Cx相热稳定性的影响

IF 0.7 4区化学 Q4 CHEMISTRY, PHYSICAL

Russian Journal of Physical Chemistry A Pub Date : 2025-04-25 DOI:10.1134/S0036024425700517

M. A. Eryomina, S. F. Lomayeva

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引用次数: 0

摘要

研究考虑了在石油醚中对钛和硅进行机械合金化时，硬脂酸和石墨添加剂对碳化硅钛在 1300°C 以下温度退火时的结构相态和稳定性的影响。结果表明，在表面活性剂存在的情况下，颗粒上形成的阻挡层比在石墨存在的情况下更有效地提高了碳化硅的稳定性。表面活性剂的添加会导致形成额外的含硅相，并提高颗粒烧结的效率。

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Effects of Surfactants on the Thermal Stability of the Mechanosynthesized Ti5Si3Cx Phase

The effects of stearic acid and graphite additives during mechanical alloying of titanium and silicon in petroleum ether on the structural-phase state and stability of titanium carbosilicide during annealing at temperatures below 1300°C are considered. It is shown that the barrier layers on particles formed in the presence of surfactants increase the stability of carbosilicide more efficiently than in the presence of graphite. Surfactant additions lead to the formation of an additional silicon-containing phase and more efficient sintering of particles.

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来源期刊

Russian Journal of Physical Chemistry A 化学-物理化学

CiteScore

1.20

自引率

14.30%

发文量

376

审稿时长

5.1 months

期刊介绍： Russian Journal of Physical Chemistry A. Focus on Chemistry (Zhurnal Fizicheskoi Khimii), founded in 1930, offers a comprehensive review of theoretical and experimental research from the Russian Academy of Sciences, leading research and academic centers from Russia and from all over the world. Articles are devoted to chemical thermodynamics and thermochemistry, biophysical chemistry, photochemistry and magnetochemistry, materials structure, quantum chemistry, physical chemistry of nanomaterials and solutions, surface phenomena and adsorption, and methods and techniques of physicochemical studies.