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The role of dislocations in radiation strenghtening of alkali halide crystals

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Abstract

The dependence of activation volume and dislocation start stress in sodium and calcium chloride crystals onγ-radiation dosage (in the range 104–109rad) is studied. It is established that these functions indicate that the hardening of crystals subjected to radiation is of a dislocation nature. Analysis of data from the literature leads to the conclusion that in the medium and high radiation dose region planar precipitates and surrounding dislocations formed by halogen molecules are responsible for hardening.

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Authors and Affiliations

  1. T. G. Shevchenko Kiev State University, USSR

    N. N. Novikov

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  1. N. N. Novikov
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 6, pp. 99–103, June, 1976.

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Novikov, N.N. The role of dislocations in radiation strenghtening of alkali halide crystals. Soviet Physics Journal 19, 765–768 (1976). https://doi.org/10.1007/BF00943478

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  • DOI: https://doi.org/10.1007/BF00943478

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