东华大学学报（英文版）2006，Vol.23Issue(1)：1-3,3.
Creep Test of Polymer-matrix 3-D Braided Composites
Creep Test of Polymer-matrix 3-D Braided Composites
摘要
Abstract
The long-term creep behavior of polymer-matrix 3-D braided composites was studied by using the tensile creep test method, and the effect of braiding structure, braiding angle and fiber volume fraction were discussed. The creep curve appears as expected, and can be defimed two phases,namely, the primary phase and the secondary phase. For each sample, strain increases with time rapidly, and then the strain rate decreases and appears to approach a constant rate of change (steady-state creep). The experiment results show that the creep resistant properties are improved while the braiding angle decreases or the fiber volume fraction increases, and that the five-directional braiding structure offers better creep resistant properties than the fourdirectional braiding structure.关键词
braided composites/creep/braidKey words
braided composites/creep/braid分类
化学化工引用本文复制引用
..Creep Test of Polymer-matrix 3-D Braided Composites[J].东华大学学报（英文版）,2006,23(1):1-3,3.基金项目
The authors would like to acknowledge the support of the Tianjin Municipal Education Commission through grant No. 2004zd04 and the National Key Laboratory of Advanced Composites (LAC) through grant No. 51460020304QT3201. （LAC）
