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Study on Analysis Methods of Tear Propagation of Fabric Laminates

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Abstract:

Tear propagation is a typical breakage modality of fabric laminates. In this paper, analysis methods and their empirical formulas about tear propagation of a kind of fabric laminate which is used in high altitude lighter-than-air vehicle (LTA) is studied. The methods include Griffith’s energy balance method, Thiele’s empirical formula method, Stress field consideration method and critical stress intensity factor method. Testing about tear propagation strength in biaxial stress is done by a tailor-made testing machine to study on the methods. And then a comparison is drawn between these formulas and results of the experimentation. Subsequently, advantages and disadvantages of these formulas and their scope of application are concluded. While by using the empirical formulas, the analysis of tear propagation of different incision shapes is given. It is useful for the further study on different fabric laminates.

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Periodical:

Advanced Materials Research (Volumes 194-196)

Pages:

2429-2434

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.194-196.2429

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Online since:

February 2011

Authors:

Jun Hui Meng, Dong Xu Liu, Yi Zhang, Zhao Jia, Ming Yun Lv

Keywords:

Bi-Axial, Empirical Formula, Fabric Laminate, Propagation, Tear

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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