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Temperature-dependent change in the nature of glass fracture under electron bombardment

  • Solid State Physics
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Abstract

We report the experimental discovery of a temperature-dependent change in the nature of glass fracture under low-energy (<10 keV) electron bombardment. This is shown to depend on the transition from the thermal-shock to the thermalfluctuation mechanism of fracture at the limiting temperature T1 = (Tg − 150) °C. The high-temperature cleavage fracture of K8 and TF1 glasses was studied and the threshold value of the critical power initiating cleavage fracture was determined (for the glasses studied Θthr = 50–70 W·sec·cm−2).

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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 4, pp. 14–16, April, 1991.

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Kravchenko, A.A. Temperature-dependent change in the nature of glass fracture under electron bombardment. Soviet Physics Journal 34, 290–292 (1991). https://doi.org/10.1007/BF00898087

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  • DOI: https://doi.org/10.1007/BF00898087

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