燃料对铝酸锂SCS温度的影响

IF 0.5 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY International Journal of Self-Propagating High-Temperature Synthesis Pub Date : 2023-01-09 DOI:10.3103/S1061386222050089
V. D. Zhuravlev, L. V. Ermakova, T. A. Patrusheva, V. G. Bamburov
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引用次数: 1

摘要

对比分析了硝酸铝、硝酸锂或碳酸盐岩与甘氨酸、亮氨酸和尿素溶液中铝酸锂的燃烧谱图。考虑了启动液组成对最高燃烧温度和燃烧曲线的影响。用甘氨酸和尿素(1:3)合成硝酸铝溶液时,最高燃烧温度为771℃。用碳酸锂和甘氨酸合成硝酸铝时,压载物氨基乙酸锂的出现使最高燃烧温度降低了近100℃。用碳酸锂代替硝酸锂降低了γ-LiAlO2开始形成的温度,使得在500 ~ 550℃热处理后得到单相α-LiAlO2成为可能。
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Influence of Fuel on the SCS Temperature of Lithium Aluminate

A comparative analysis of the combustion profiles of SCS of lithium aluminate from a solution of aluminum nitrate and lithium nitrate or carbonate with glycine, leucine, and urea was performed. The influence of the starting solution composition on the maximum combustion temperature and combustion profile was considered. It was found that maximum combustion temperature, 771°C, is observed in case of synthesis of nitrate solution with glycine and urea (1 : 3). The appearance of ballast lithium aminoacetate during syntheses of aluminum nitrate with lithium carbonate and glycine was shown to reduce the maximum combustion temperature by almost 100°C. Replacing lithium nitrate with lithium carbonate decreased the temperature at which γ-LiAlO2 started to form and made it possible to obtain monophasic α-LiAlO2 after heat treatment at 500–550°C.

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来源期刊
CiteScore
1.00
自引率
33.30%
发文量
27
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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