2204 マイクロ/ナノハイブリッド粉末を用いたマイクロ粉末射出成形の試み(S28-1 粉末成形とその評価(1),S28 粉末成形とその評価)

概要

論文の詳細を見る
Micro powder injection molding (μ-PIM) needs more sophisticated techniques than the conventional PIM The use of finer powders is one of solutions to improve the dimensional accuracy and surface roughness of sintered products. This study aims to investigate the effects of hybrid micro/nano powders on feedstock properties in μ-PIM process. To produce the tiny specimens with high trial efficiency and a small amount of feedstock, a novel experimental machine which can achieve to mold 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.
一般社団法人日本機械学会の論文
2005-09-18