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<p>The influence of low-frequency (46.6 Hz) and high-frequency (21.8 kHz) mechanical-pulse shock treatment, including temperature exposure (700 ± 50 °C), on nickel alloy ZhS6U was investigated. High-frequency (HF) treatment forms a&#xa0;TiO<sub>2</sub> layer, with HF + T increasing microhardness and reducing friction by 20%. Low-frequency treatment plus heating (LF + T) ensures strain homogenization and activates multiple sliding planes. LF + T provides the highest hardening, while HF improves wear resistance via the oxide layer.</p>

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Evolution of structural-phase state of nickel alloy surface after shock treatment in different frequency ranges

  • 期刊论文

  • 发表日期：

    2025年4月1日

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  • A. V. Vorontsov,
  • D. A. Gurianov,
  • A. P. Zykova

摘要

The influence of low-frequency (46.6 Hz) and high-frequency (21.8 kHz) mechanical-pulse shock treatment, including temperature exposure (700 ± 50 °C), on nickel alloy ZhS6U was investigated. High-frequency (HF) treatment forms a TiO2 layer, with HF + T increasing microhardness and reducing friction by 20%. Low-frequency treatment plus heating (LF + T) ensures strain homogenization and activates multiple sliding planes. LF + T provides the highest hardening, while HF improves wear resistance via the oxide layer.