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Abstract <p>The article considers an ultrasonic method of nondestructive testing of samples that are single crystals of molybdenum–niobium alloy, manufactured by the method of crucibleless electron-beam zone melting. The propagation of transverse elastic vibrations in an anisotropic single crystal is simulated. Based on the simulation results, the optimal testing parameters are selected. Experimental studies are carried out on samples with artificial surface defects in the form of scratches at various depths.</p>

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Ultrasonic Testing of Surface Defects in Molybdenum–Niobium Single Crystals

  • 期刊论文

  • 发表日期：

    2026年1月1日

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  • N. A. Shchipakov,
  • M. N. Degtyarev,
  • A. V. Vorykhanov,
  • D. I. Kochetov,
  • S. A. Zvonkov

摘要

Abstract

The article considers an ultrasonic method of nondestructive testing of samples that are single crystals of molybdenum–niobium alloy, manufactured by the method of crucibleless electron-beam zone melting. The propagation of transverse elastic vibrations in an anisotropic single crystal is simulated. Based on the simulation results, the optimal testing parameters are selected. Experimental studies are carried out on samples with artificial surface defects in the form of scratches at various depths.