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Abstract <p>The influence of copy-piercing electric discharge machining on the surface microrelief of Russian polymer composites based on VKU-39/VTkU-2.200 [−45/0/+45/90] prepreg produced by vacuum shaping. The surface microrelief of the samples is investigated in two perpendicular planes at points subject to copy-piercing electric discharge machining. No depressions or craters are seen on the machined surfaces in the transverse section. Glassy inclusions are present: their content is 20–25% in the transverse section and 30–35% in the longitudinal section. These inclusions are mainly localized within the fibrous material.</p>

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Surface Microrelief of a New Generation of Polymer Composites after Copy-Piercing Electric Discharge Machining

  • 期刊论文

  • 发表日期：

    2025年6月1日

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  • T. R. Ablyaz,
  • E. S. Shlykov,
  • K. R. Muratov,
  • V. B. Blokhin,
  • I. V. Osinnikov,
  • G. S. Shaimanov,
  • M. Yu. Simonov

摘要

Abstract

The influence of copy-piercing electric discharge machining on the surface microrelief of Russian polymer composites based on VKU-39/VTkU-2.200 [−45/0/+45/90] prepreg produced by vacuum shaping. The surface microrelief of the samples is investigated in two perpendicular planes at points subject to copy-piercing electric discharge machining. No depressions or craters are seen on the machined surfaces in the transverse section. Glassy inclusions are present: their content is 20–25% in the transverse section and 30–35% in the longitudinal section. These inclusions are mainly localized within the fibrous material.