Title: Simulation of Micro-embossing of Viscoelastic Polymer
Abstract: In order to get better micro-embossing filling effect,the influence of the geometry paramenters of the mold and substrate on micro-embossing is examined by finite element simulation.A geometrical model of micro-embossing and the viscoelastic material model of playmer are established.The simulation result shows that with the same embossing time,temperature and pressure,and when the duty ration of the mold is 0.5,the highest filling rate of the mold's cavity is up to 60%,any rise or drop in the duty ratio will lower the filling rate.The lower the aspect ration,the higher the filling rate of the mold's cavity.When the aspect ratio is 1,the highest filling rate is 71%.The higher the substrate's aspect ration,the higher the filling rate.When the aspect ratio is 1.5,the highest filling rate is 63%.
Publication Year: 2010
Publication Date: 2010-01-01
Language: en
Type: article
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