Quality improvement of micro metal injection moulding using micro/nano powders

Kazuaki Nishiyabu, Kenichi Kakishita, Toshiko Osada, Satoru Matsuzaki, Shigeo Tanaka

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

抄録

Micro metal injection moulding (μ-MIM) needs more sophisticated techniques than the conventional MIM. The use of finer metal powders is one of the solutions to improve the dimensional accuracy and surface roughness of sintered products. This study aims to investigate the effects of hybrid micro/nano powders in μ-MIM process. To produce the tiny specimens with high trial efficiency and a small amount of feedstock, a novel experimental machine which can achieve to mould without pelletizing was used. Small dumbbell specimens were produced with changing the binder content and the fraction of nano-scale copper powder. The effects of nano-scale copper powder addition on the tap density of mixed powder, the viscosity of feedstock and microstructure of sintered bodies were discussed.

本文言語英語
ホスト出版物のタイトルEuro PM 2005
ホスト出版物のサブタイトルPowder Metallurgy Congress and Exhibition
出版社European Powder Metallurgy Association (EPMA)
ページ357-363
ページ数7
ISBN(印刷版)9781899072187
出版ステータス出版済み - 2005
イベントEuropean Powder Metallurgy Congress and Exhibition, Euro PM 2005 - Prague, チェコ共和国
継続期間: 10 2 200510 5 2005

出版物シリーズ

名前Euro PM 2005: Powder Metallurgy Congress and Exhibition
2

その他

その他European Powder Metallurgy Congress and Exhibition, Euro PM 2005
国/地域チェコ共和国
CityPrague
Period10/2/0510/5/05

All Science Journal Classification (ASJC) codes

  • 材料力学
  • セラミックおよび複合材料
  • 材料化学
  • 金属および合金
  • 凝縮系物理学

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