A test instrument is described which permits measurement of load and extension along the courses and wales of a knitted fabric as the latter is being extended in both directions simultaneously. The rates of extension may be chosen to deform the fabric in a variety of modes representative of end-use situations. Experimental results obtained for plain, weft-knitted fabrics using three different hosiery yarns are presented. Comparison is made with values predicted by the authors' theoretical analysis of the biaxially-loaded fabric configuration, and good agreement between the experimental results and the theoretical predictions is obtained.
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References
1.
ChecklandP. B.BullT. H.BakkerE. J., A Two-Dimensional Load-Extension Tester for Fabrics and Fibers, Textile Res. J. 28, 399–103 (1958).
2.
ClulowE. E.TaylorH. M., An Experimental and Theoretical Investigation of Biaxial Stress-Strain Relations in a Plain-Weave Cloth, J. Textile. Inst. 54, T323–347 (1963).
3.
MacRoryB. M.McNamaraA. B., Knitted Fabrics Subjected to Biaxial Stress. An Experimental Study, Textile Res. J. 37, 908–911 (1967).
4.
MacRoryB. M.McCraithJ. R.McNamaraA. B., The Biaxial Load-Extension Properties of Plain, Weft-Knitted Fabrics—A Theoretical Analysis, Textile Res. J. 45, 746–760 (1975).
5.
NiwaM.KawabataS.KawaiH., Experimental Investigation of the Biaxial Tensile Properties of Plain-Woven Fabrics. Experimental Technique for Biaxial Tensile Testing, J. Textile Mach. Soc. Japan22, T85–96 (1969).
6.
OwenJ. D.RidingG., The Weighted Ring Stiffness Test, J. Textile Inst. 55, T414–417 (1964).
7.
ReichardtC. H.WooH. K.MontgomeryD. J., A Two-Dimensional Tester for Woven Fabrics, Textile Res. J. 23, 424–128 (1953).
