Tensile Material Properties of Fabrics for Vehicle Interiors from Digital Image Correlation

Paper #:
  • 2013-01-1422

Published:
  • 2013-04-08
Citation:
Savic, V. and Hector, L., "Tensile Material Properties of Fabrics for Vehicle Interiors from Digital Image Correlation," SAE Technical Paper 2013-01-1422, 2013, https://doi.org/10.4271/2013-01-1422.
Pages:
11
Abstract:
Fabric materials have diverse applications in the automotive industry which include upholstery, carpeting, safety devices, and interior trim components. The textile industry has invested substantial effort toward development of standard testing techniques for characterizing mechanical properties of different fabric types (e.g. woven and knitted). However, there are presently no standards for determination of Young's modulus, Poisson's ratio and tensile stress-strain properties required for the detailed modeling of fabric materials in vehicle structural simulations. This paper presents results from uniaxial tensile tests of different automotive seat cover fabric materials. Digital image correlation, a full field optical method for measuring surface deformation, was used to determine tensile properties in both the warp/wale and the weft/course directions. The fabrics were tested with and without the foam backing. Discussion of challenges in tensile testing and interpretation of tensile properties of fabrics are also provided.
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