充填密度に及ぼす粉に与えた動きの履歴の影響
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概要
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The effect of the history of powder movement on filling density was investigated with pre-mixed powder with a composition of Fe-2mass%Cu-0.9mass%C-0.8mass%Lubricant. The number of shaking and elapsed time after shaking were used as substitutes for the history of the powder movement. From these experiments it is clarified that filling density was greatly effected by the history of powder movement just before filling. The more shaking just before the filling made the filling density lower, and the longer elapsed time after shaking made the filling density higher. However, filling density of 100mass%-Fe powder was not effected by the history of movement.
- 2011-02-15