三维五向圆型编织复合材料细观分析及弹性性能预测

ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 2007, Vol. 28 ›› Issue (1): 123-129.

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Microstructure Analysis and Prediction of the Elastic Properties of 3D and 5D Tubular Braided Composites

LI Diansen^1_,LU Zixing¹,CHEN Li²,LI Jialu²

1School of Aeronautical Science and Technology, Beijing University of Aeronautics and Astronautics, 2Composite Materials Research Institute, Tianjin Polytechnic University

Received:2005-08-08 Revised:2006-01-04 Online:2007-01-10 Published:2007-01-10
Contact: LU Zixing¹

Abstract

Abstract:

The yarn traces of 3D and 5D tubular braiding are analyzed systematically based on 3D tubular braiding process, then the interior cells and surface cells are established. The geometric properties of the cells, and the relationship of the braiding parameters are deduced. Based on this model, the elastic properties of 3D tubular braided composites are deduced with the method of improved stiffness averaging and the predictions have shown a good agreement with the experiment results.

Key words: 3D , and , 5D , braiding, , tubular , braiding, , composites, , unit , cell, , mechanical , properties

CLC Number:

TB332

LI Diansen_;LU Zixing;CHEN Li;LI Jialu. Microstructure Analysis and Prediction of the Elastic Properties of 3D and 5D Tubular Braided Composites[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2007, 28(1): 123-129.

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Microstructure Analysis and Prediction of the Elastic Properties of 3D and 5D Tubular Braided Composites

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