Influence of a shock-wave pressure gradient on the appearance of a microhardness maximum in α-Fe irradiated by a high-power ion beam

Alexander N. Valyaev, Alexander D. Pogrebnjak, S. N. Bratushka, V. I. Lavrent’ev, S. N. Volkov, С. В. Плотніков

1998

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DOI 10.1134/1.1262279
Data confidence 70 medium
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Abstract

The results of research on the defect structure and microhardness in α -Fe irradiated by a pulsed high-power ion beam are presented. The results are obtained with the use of positron annihilation, electron microscopy, and a nanoindenter. It is shown that the pressure gradient and the depth of formation of the shock wave front in α -Fe irradiated by a high-power ion beam have an influence on the formation and location of the maximum of the dislocation density and microhardness in the modified layer.