Abstract
The mechanical properties of textiles are important because they define many of the performance characteristics of end-products. Stress-strain tests are commonly used to measure tensile properties, but stress-strain curves of woven textiles are monotonic up to the breaking point and provide little information about events during stretching. We use acoustic emission spectroscopy to characterize the mechanical properties of a wide variety of materials, including some textiles. We investigate the mechanical properties of two woolen fabrics, correlating the stress-strain curves with acoustic emission events. Our results indicate that cumulative acoustic emission is a nondestructive indicator of incipient fabric damage and can be used as a quality control test in fabric manufacturing.
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