Evaluation of Microscopic Particle Mixture Condition.

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  • 粉末プロセスの制御と製品評価　　微粒子の微視的な混合状態の評価
  • ビリュウシ ノ ビシテキ ナ コンゴウ ジョウタイ ノ ヒョウカ

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Abstract

To design a composite, it is very important to know the microscopic mixture condition of the particles used as raw material. The capabilities of many composites are determined by the mixture condition.<BR>In this study, particles were mixed at various mixing times to produce three-component systems. Next, an attempt was made to evaluate the mixture condition using microwave-induced plasma emission spectrometry, permitting the analysis of the composition of single particles and quickly measure three-dimensional parameters, including particle count and size distribution.<BR>The results verified that microwave-induced plasma emission spectrometry shortens.<BR>measurement time for particle composition, number, and size distribution. In other words, it can quickly evaluate the microscopic mixture condition of particles. Also calculated was the standard deviation of each of the three component particles. These calculations were then used to determine which mixing time produced the optimal mixture in which standard deviations of components are small. The cracking of agglomerate during mixing was successfully recognized.

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