JOURNAL OF TEXTILE RESEARCH ›› 2018, Vol. 39 ›› Issue (08): 58-62.doi: 10.13475/j.fzxb.20170702906

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Permeability of glass fiber fabrics under shear deformation

  

  • Received:2017-08-15 Revised:2018-01-25 Online:2018-08-15 Published:2018-08-13

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Abstract:

In order to study the influence of shear deformation of the fabric on the permeability of fiber reinforced material, the apparent permeability of glass fiber fabric preform was tested by vacuum infusion molding process. The results indicated that shear deformation reduces the permeability of preform. For twill fabric, different shear directions make the permeability of fiber reinforced material different. When the shear direction does not coincide with the twill line direction, the permeability of fabrics sheared by 10° is about 26% higher. Different fabric weave differs significantly in permeability. In general, the permeability of fiber reinforced material decreases as shearing angle increases. The permeability of fabric declines about 50% on average as its shearing angle goes up to 30°. However, for plain weave fabric, the permeability of fabric being sheared by 10°rises slightly. The shear deformation causes change of the overall permeability of fabric, and the shape of the flow front varies gradually from a straight line parallel to the weft yarn to an inclined straight line.

Key words: glass fiber fabric, vacuum infusion molding process, permeability, shear deformation, fabric weave, resin flow front

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