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四向矩形编织复合材料单胞的新划分方法(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2001年06期
Page:
19-22
Column:
研究论文
publishdate:
1900-01-01

Article Info:/Info

Title:
A New Method for Dividing 4-directional Rectangular Braided Composite into Unit Cells
Article ID:
1000-2006(2001)06-0019-04
Author(s):
HUANG Xiao-ping1 SUN Liang-xin1 XU Xiao-cheng2
1. Nanjing University of Aeronautics &. Astronautics, Nanjing 2 100 1 6 ,Chinas 2. Beijing Institute of Special Mechanical &. Electrical Devices, Beijing 100076 .China
Keywords:
CompositePreform4-D braiding Unit cell
Classification number :
*
DOI:
10.3969/j.jssn.1000-2006.2001.06.005
Document Code:
A
Abstract:
Idea of unit cell plays important roles in researches on mechanical performances and compli- cated geometric microstructure of braided composites. To 3-dimensional 4-directional rectangular com- posites braided by 4-step 1 : 1 procedure, the shortcomings of the now available methods dividing the material into unit cells are pointed out. After that,a new division methods which is right for any array pattern of the preforms is put forword. Corresponding unit cell’s graphics more conformable to the ac- tual microstructure and a set of unified formulas to determine numbers of unit cells are given too. This study is helpful to accurate master of this material’s microstructure,and provides a better basis for a- nalysis on this material’s behaviors.

References

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Last Update: 1900-01-01