サイクリックCIPによる炭素粉の成形とち密化挙動の解析

概要

論文の詳細を見る
Two carbon powders with different properties, Seast V and KMFC, were compacted by Cyclic-CIP. The density of Seast V which did not contain any pitch increased as the maximum pressure and the number of cycles in creased. Denser green compacts were obtained at low bias pressures and a constant maximum pressure. Denser green compacts were obtained under low frequency conditions. However, specimens formed at a high pressurizing rate fractured. This suggests that a certain optimal forming condition exists. Densification behavior of KMFC which contains pitch was unique. The density of the compact was almost constant as the number of cycles increased and denser compacts were obtained at high bias pressures. Among the four Cyclic-CIP parameters the maximum pressure was most important for densification. Further, the effect of frequency was observed, for which the viscoelastic property of the pitch seemed to be responsible. Experimental data were analyzed using the constitutive equation derived from the previous paper.
社団法人日本セラミックス協会の論文
1994-03-01