Characterization and Comparison of Polymer Melt Fluidity Across Three Ultrasonic Plasticization Molding Technologies.

ABSTRACT: The influence of axial ultrasonic vibration (the dominant vibration mode) on the filling behavior of polymer melt in microcavities and its effect on microstructure formation remains inadequately understood. Based on the plasticization location and the extent to which the microcavity is covered by the ultrasonic sonotrode action surface, existing ultrasonic plasticization molding technologies were classified into three types-ultrasonic pressing (UP), ultrasonic plasticizing and pressing (UPP), and ultrasonic plasticization injection molding (UPIM). The effects of these configurations on melt fluidity and filling performance were evaluated and compared through slit flow tests. The interaction mechanisms between polymer melts and templates were elucidated based on melt pressure measurements a

SUBMITTER: Wu S 

PROVIDER: S-EPMC12526616 | biostudies-literature | 2025 Sep

REPOSITORIES: biostudies-literature