A simulation study on the effects of particle size on the consolidation of polymer powder impregnated tapes

被引：18

作者：

Padaki, S ^{[1
]}

Drzal, LT ^{[1
]}

机构：

[1] Michigan State Univ, Dept Chem Engn, Ctr Composite Mat & Struct, E Lansing, MI 48824 USA

来源：

COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 1999年 / 30卷 / 03期

基金：

美国国家科学基金会;

关键词：

tape; prepreg; particle size;

D O I：

10.1016/S1359-835X(98)00115-8

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The powder prepreg technique offers a low-cost, high-speed method of manufacture of composites. Consolidation of the prepreg tows is a key step in the manufacture of a final 'useful' part. The efficiency of the consolidation for any polymer powder prepreg tape produced from a powder prepreg process would conceivably depend on the material properties of the polymer, particle size, temperature, consolidation pressure, and volume fraction of the tape. A mathematical process model that identifies and describes a set of parameters to predict the consolidation conditions of a given polymer powder prepreg tape has been developed. A simulation study that identifies the different parameters and compares the advantages and limitations of polymer physical properties and particle size has been performed. An integrated Flow Resistance (FR) Index has been developed to mathematically describe the consolidation process. The results show that small powder particle sizes are beneficial to the process. (C) 1999 Published by Elsevier Science Ltd. All rights reserved.

引用

页码：325 / 337

页数：13

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