On the Sintering of Ti (N,C)-30wt%Ni and TiNX-TiCtY-30wt%Ni Mixed Powder Compacts

Mikio Fukuhara, Hiroyasu Mitani

研究成果: Article査読

7 被引用数 (Scopus)

抄録

As a shrinkage of Ti (N, C)-30wt%Ni mixed powder compacts during sintering was remarkably promoted not only in vacuum, but also in argon, hydrogen and nitrogen atmosphere without an abnormal expansion, we concluded that the abnormal expansion during sintering of TiN-TiC-Ni mixed powder compacts1 was caused by denitrification which took place during the formation of Ti (N, C) solid solution. Grain growth of sintered bodies was suppressed with an increase of nitrogen content of the nitrocarbide. In sintering of TiNx-TiCY-30wt%Ni mixed powder compacts, the expansion was arrested; the composition showing the maximum sintered density in the sintering condition at 1500°G for 1 hr. was TiN0.6-15wt%TiC-30wt%Ni. Use of TiCy powders also prevented the occurrence of the abnormal expansion during sintering.

本文言語English
ページ(範囲)125-129
ページ数5
ジャーナルjournal of the japan society of powder and powder metallurgy
27
4
DOI
出版ステータスPublished - 1980 1 1

ASJC Scopus subject areas

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

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