Modeling of friction and shear in thermostamping of composites - Part II

被引：19

作者：

Liu, L ^{[1
]}

Chen, J ^{[1
]}

Gorczyca, JL ^{[1
]}

Sherwood, JA ^{[1
]}

机构：

[1] Univ Massachusetts, Dept Mech Engn, Adv Composite Mat & Text Res Lab, Lowell, MA 01854 USA

来源：

JOURNAL OF COMPOSITE MATERIALS | 2004年 / 38卷 / 21期

关键词：

composites; shear; thermostamping; unit cell model;

D O I：

10.1177/0021998304048417

中图分类号：

TB33 [复合材料];

学科分类号：

摘要：

Fabric shear is being considered as the main deformation mode in the thermostamping process of composites. To predict the change of the shear properties of composites during the process, a combined friction and compaction model is developed based on the equilibrium equations of the unit cell of a balanced plain-weave glass/polypropylene woven fabric. The advantage of this approach over the earlier models is that it does not require curve fitting of the fabric-level experimental data. In addition, it considers both lateral compaction and friction. Picture frame experimental results are presented to validate this model. A very close correlation is observed between the model predictions and the experimental results. The material stress-strain relationship needed for input to stamping simulations is then calculated using the results of the picture frame model.

引用

页码：1931 / 1947

页数：17

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