Abstract
The influence of nonuniformity of the initial zirconium dioxide on the polymorphic and structural transformations in explosive loading is investigated. In the highly disperse quenched structure t′-ZrO2, there is further reduction in domain size if their boundaries are not stabilized by an Al2O3 glass phase. In preliminarily annealed equilibrium t-ZrO2, as a result of loading, the structure becomes increasingly fragmentary and prone to t → m transformation. In repeated explosive loading, the structural changes in quenched t′-ZrO2 and annealed t-ZrO2 are similar.
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References
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M. A. Lav'rentev Institute of Hydrodynamics, Siberian Branch, Russian Academy of Sciences, Novosibirsk. Translated from Fizika Goreniya i Vzryva, Vol. 31, No. 3, pp. 72–75, May–June, 1995.
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Teslenko, T.S. Action of explosive loads on a metastable zirconium-dioxide structure. Combust Explos Shock Waves 31, 334–337 (1995). https://doi.org/10.1007/BF00742679
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DOI: https://doi.org/10.1007/BF00742679