Tearing Analysis of Coated Fabrics under Mono-Axial Tensile Stresses

Zhi Jun Liu; Xiao Ming Qian; Shou Hui Chen

doi:10.4028/www.scientific.net/AMR.150-151.1082

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Tearing Analysis of Coated Fabrics under Mono-Axial Tensile Stresses

Abstract:

Being torn apart due to the slit initially cut on coated fabrics is the typical form of failure under mono-axial tensile load. The mono-axial centre slit tear test of coated fabrics was conducted to investigate the influences of slit orientation and initial slit length on the tearing strengths and corresponding tearing elongation. Given a fixed initial slit length, the tear strength and displacement both decreased with the increase of angle between the slit and the load direction. The tear strengths and corresponding elongations increased with the reduction of the slit lengths, when the slits inclining 30 ° and 60° to the mono-axial tensile load direction, respectively. However, the influence of slit lengths was insignificant when the slits were perpendicular or parallel to the load directions.