Kinetics of solid state reactions with a positive feedback between the reaction and fracture |
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| Authors: | S. A. Chizhik A. A. Sidel'nikov |
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| Affiliation: | (1) Institute of Solid State Chemistry and Mineral Raw Material Processing, Siberian Branch of the Russian Academy of Sciences, 18 ul. Kutateladze, 630128 Novosibirsk, Russian Federation |
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| Abstract: | A model describing the steady-state kinetics of thermal decomposition in the solid phase occurring with a decrease in the solid phase volume and accompanied by fracture in the reaction zone is suggested. The model is based on the concept of positive feedback between the reaction and fracture. The rate of the fracture front and the size of the product fragments formed were calculated. Translated fromIzvestiya Akademii Nauk. Seriya Khimicheskaya, No. 4, pp. 626–631, April, 1998. |
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| Keywords: | solid state reactions localization of the reaction reaction zone diffusion mechanical stress fracture positive feedback |
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