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To improve the performance of cutting tools, coatings with high wear resistance can be applied. Tool wear is affected by both coating properties and cutting conditions. In this paper, the effects of substrate composition and interlayer thicknesses on coating properties and resulting tool wear under different cutting conditions are investigated. The coating adhesion significantly influences tool wear, with improvements seen through the addition of Cr in the interlayer during coating development. The thickness of the interlayer has no apparent influence on the coating adhesion. Thicker interlayers in favor of thinner functional layers reduce the wear resistance and thus lead to a limited tool life.

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Influence of Coating Interlayer and Substrate on Tool Wear Progression when Turning C45

  • 会议论文

  • 发表日期：

    2025年

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  • Christian Kalscheuer,
  • Kirsten Bobzin,
  • Xiaoyang Liu,
  • Benjamin Bergmann,
  • Arnd Heckemeyer,
  • Nico Junge

摘要

To improve the performance of cutting tools, coatings with high wear resistance can be applied. Tool wear is affected by both coating properties and cutting conditions. In this paper, the effects of substrate composition and interlayer thicknesses on coating properties and resulting tool wear under different cutting conditions are investigated. The coating adhesion significantly influences tool wear, with improvements seen through the addition of Cr in the interlayer during coating development. The thickness of the interlayer has no apparent influence on the coating adhesion. Thicker interlayers in favor of thinner functional layers reduce the wear resistance and thus lead to a limited tool life.