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High-temperature oxidation of an alloy of zirconium and niobium
V. I. Shevtsov, A. E. Valov, M. G. Vlasov, E. I. Gusachenko, L. N. Stesik Institute of Chemical Physics, Russian Academy of Sciences, Chernogolovka 142432
Abstract:
Oxidation of an alloy of zirconium and 1% niobium in air at atmospheric pressure and temperatures of 480–1000$^\circ$C is investigated by a thermogravimetric method. It is found that, over the entire temperature range studied, the oxidation process can be described with high accuracy by a linear dependence on time. In experiments, a periodic variation of the oxidation rate with time is observed. The oxide layer formed on the surface of the specimen in lengthy oxidation is occupied by a network of deep, predominantly longitudinal and transverse cracks.
Received: 01.07.1996
Citation:
V. I. Shevtsov, A. E. Valov, M. G. Vlasov, E. I. Gusachenko, L. N. Stesik, “High-temperature oxidation of an alloy of zirconium and niobium”, Fizika Goreniya i Vzryva, 33:6 (1997), 22–27; Combustion, Explosion and Shock Waves, 33:6 (1997), 647–651
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https://www.mathnet.ru/eng/fgv2607 https://www.mathnet.ru/eng/fgv/v33/i6/p22
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