ドリル式「切削荷重測定装置」による圧縮成型の放出過程におけるキャッピング発生機構の解析

概要

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It has not been clear enough in which stage of the ejecting process of the compacts so-called capping defects appear in the ordinary tablet making process. Train has pointed out that these capping defects may generate when the compacts leave the die part. In order to investigate these capping defects produced in the compacts, a newly constructed apparatus named "Drilling load measuring device" has been utilized in the present study. The results clearly show that some weak structure appears in the compacted mass when the compression force applied to this powder bed is removed and this weak structure grows up to become cracks during the ejection procedure.
社団法人日本材料学会の論文
1975-07-15