The Transverse-Rupture Strength of Ti(C, N)-Mo2C-Ni Alloys Affected by Nitrogen Content and Particle Size

Hisashi Suzuki, Hideaki Matsubara, Takeshi Saitoh

研究成果: Article査読

4 被引用数 (Scopus)

抄録

The room temperature transverse-rupture strength (TRS) of nitrogen contained cermets was studied in relation to the nitrogen content and particle size. The TiC-, TiC0.7N0.3- and TiC0.5N0.5- 10.0 vol%Mo2C-16.4 vol%Ni alloys HIP-treated and then resintered were used as the specimens. The resintering process employed here was to eliminate the nickel pools often developed in nitrogen contained alloys, when HIP-treated. The TRS of the nitrogen contained alloys had a tendency to increase with decreasing particle size of carbonitrides, because the defect size decreased with the particle size. The intrinsic strength of the nitrogen contained alloys showed a maximum of about 6.0 GPa at the particle size of 1.0 pm. The TRS as high as 3.2 GPa or more was observed when the particle size became 0.5∼0.8 μm. It was suggested that the strength of nitrogen contained alloys could be increased further with decreasing defect size.

本文言語English
ページ(範囲)305-310
ページ数6
ジャーナルjournal of the japan society of powder and powder metallurgy
32
8
DOI
出版ステータスPublished - 1985
外部発表はい

ASJC Scopus subject areas

  • 機械工学
  • 産業および生産工学
  • 金属および合金
  • 材料化学

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