An Integrated Process Model for Air Evacuation and Tow Impregnation in Out-of-Autoclave Prepreg Consolidation

被引：0

作者：

Helmus, R. ^{[1
]}

Centea, T. ^{[2
]}

Hubert, P. ^{[3
]}

Hinterhoelzl, R. ^{[1
]}

机构：

[1] Tech Univ Munich, Fac Mech Engn, Inst Carbon Composites, Boltzmannstr 15, D-85478 Garching, Germany

[2] Univ So Calif, M C Gill Composites Ctr, Los Angeles, CA 90089 USA

[3] McGill Univ, Dept Mech Engn, Quebec City, PQ H3A 0C3, Canada

来源：

PROCEEDINGS OF THE AMERICAN SOCIETY FOR COMPOSITES | 2013年

关键词：

UNSATURATED FLOW; RESIN;

D O I：

暂无

中图分类号：

TB33 [复合材料];

学科分类号：

摘要：

Out-of-autoclave (OOA) prepregs are an attractive alternative to conventional autoclave materials in terms of costs, sustainability and size constraints. However, due to low compaction pressure during cure, voids and porosity remain the main issue in OOA fabrication leading to reduced performance. To achieve the bench mark quality of autoclave structures, flow and compaction phenomena occurring during the consolidation of OOA materials have to be well understood in order to bring process and material parameters into optimal agreement. A basic understanding of void formation during consolidation may be gained by modelling the change of thickness of the prepreg as a function of fibre, resin and gas behaviour during cure.

引用

页数：20

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