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Combustion of Thermite TiO 2 /ZrO 2 –Ca Mixtures in Nitrogen Gas
International Journal of Self-Propagating High-Temperature Synthesis ( IF 0.5 ) Pub Date : 2020-04-06 , DOI: 10.3103/s1061386220010069
Yu. M. Maksimov , A. N. Avramchik , B. Sh. Braverman , A. M. Shulpekov

Abstract

Combustion of thermite TiO2/ZrO2–Ca mixtures in nitrogen gas was studied upon variation in green composition and nitrogen pressure P in the presence/absence of added calcium iodate Ca(IO3)2. The addition of calcium iodate was found to increase combustion temperature and extend combustibility limits. For compositions in which calcium was completely replaced by calcium nitride Ca3N2, the combustion temperature decreased with increasing P. The combustion of ZrO2 was found to proceed in two stages, the first stage being associated with the decomposition and gasification of calcium iodate.


中文翻译:

氮气中铝热剂TiO 2 / ZrO 2 -Ca混合物的燃烧

摘要

在添加或不添加碘酸钙Ca(IO 32的条件下,通过改变生坯组成和氮气压力P,研究了铝热剂TiO 2 / ZrO 2 -Ca混合物在氮气中的燃烧。发现添加碘酸钙会增加燃烧温度并延长可燃性极限。对于其中钙被氮化钙Ca 3 N 2完全替代的组合物,燃烧温度随P的增加而降低。发现ZrO 2的燃烧分两个阶段进行,第一阶段与碘酸钙的分解和气化有关。
更新日期:2020-04-06
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