Conclusions
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1.
Numerical modeling of the loading of an iron slab by an explosion showed that the simple kinetic relationship proposed for the fracture computation will assure a realistic description of the fracture process.
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2.
A detailed description of the fracture can be achieved only with the influence of the magnitude of the strain on the strength properties of the material taken into account.
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3.
It is shown that the progress of a reversible polymorphic transformation in the specimen material substantially influences the nature of its fracture by explosion.
The authors are deeply grateful to F. I. Dubovitskii for formulating the problem and sustaining the investigations and to M. F. Ivanov for aid in the research.
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Additional information
Chernogolovka. Translated from Fizika Goreniya i Vzryva, Vol. 19, No. 2, pp. 121–128, March–April, 1983.
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Sugak, S.G., Kanel', G.I., Fortov, V.E. et al. Numerical modeling of the action of an explosion on an iron slab. Combust Explos Shock Waves 19, 239–246 (1983). https://doi.org/10.1007/BF00789248
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DOI: https://doi.org/10.1007/BF00789248