Properties of Ti(C, N)-Mo2C-Ni cermets coated with Ti(C, N) by PVD process

Hisashi Suzuki, Hideaki Matsubara, Akira Matsuo, Kunio Shibuki

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1 Citation (Scopus)


The Ti(C, N) layer (C/N≃4/6) was deposited by PVD process at 573~853 K on the TiC0.7N0.3-Mo2C-Ni substrates having transverse-rupture strength as high as 2.5~2.8 GPa. The interface structure between layer and substrate, transverse-rupture strength, residual stresses in the layer, cutting performance, etc. were studied for the PVD coated specimens. The ŋ phase did not appear near the interface even after annealing the coated specimens. The strength of coated specimens was the same as that of substrate when the PVD temperatures became lower. The strength of specimens sharply decreased by annealing with increasing the annealing temperature. These results on the strength were almost similar to those in case of coated WC-Co alloys previously reported. The strength of coated alloys, i.e. coated cermets and cemented carbides, was well explained, considering the facts that residual compressive stresses were produced in the layer and they varied according to the PVD and annealing temperatures. It was proved that cutting performance of coated specimens was superior to that of uncoated specimens.

Original languageEnglish
Pages (from-to)92-97
Number of pages6
Journaljournal of the japan society of powder and powder metallurgy
Issue number2
Publication statusPublished - 1986
Externally publishedYes

ASJC Scopus subject areas

  • Mechanical Engineering
  • Industrial and Manufacturing Engineering
  • Metals and Alloys
  • Materials Chemistry


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