Nitriding response of microminiature powder injection molded titanium

Toshiko Osada, Hideshi Miura

研究成果: ジャーナルへの寄稿学術誌査読

4 被引用数 (Scopus)


The gas-nitriding mechanisms effective in sintered titanium parts produced by metal injection molding (MIM) were investigated. The thermal debinding, sintering, and nitriding were performed continuously in a vacuum and gas-atmosphere furnace. Sintering was performed at 1,150°C, 1,200°C, and 1,250°C for 2 h and nitriding parameters of time and partial pressure in the furnace were investigated at 1,250°C temperature. The nitrogen content of the specimens was evaluated by means of the weight increase of the specimen. The microstructures and impurities in the sintered-and-nitrided specimens were evaluated by means of optical microscopy (OM) and elemental analysis using electron microprobe analysis (EMPA). The results showed that the sintered density increased with an increase in the sintering temperature and the nitrogen content increased with the decrease in specimen thickness and decrease in sintering temperature.

ジャーナルInternational Journal of Powder Metallurgy (Princeton, New Jersey)
出版ステータス出版済み - 3月 2010

!!!All Science Journal Classification (ASJC) codes

  • 金属および合金
  • 産業および生産工学


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