Influence of Varying Structural Parameters on the Properties of 50/50 Wool/Polyester Blended Fabrics

Abstract

This paper deals with the mechanical properties and air permeability of lightweight wool blend apparel fabrics. We have studied mechanical responses in uniaxial tensile and tear tests of gray-state fabrics, and low deformation characteristics (i.e., bending rigidity, shear rigidity, and extensibility) in FAST tests of finished fabrics. We also measure fabric drape coefficients and node numbers using Cusick's method and fabric air permeabilities. Effects obtained by changing polyester and yarn type are analyzed for three groups of fabrics with different constructions using a statistical approach and are found to be significant; however, using novel polyester with a special cross-sectional shape and varying fineness in the wool blend, we successfully obtain fabrics with low rigidities, better drape characteristics, and quite sufficient tensile and tear performance. The behavior of fabrics woven with Sirospun yams is quite satisfactory in many respects. Polyester and yarn type also significantly affect fabric air permeability.

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References

American Society for Testing and Materials , Annual Book of ASTM Standards, vol. 7, Textiles, Philadelphia , 1995.

BS-EN Standard for Textiles, N.BS EN IS09237-1995, British Standard Institution, England.

Chen, B. , and Govindaraj, M. , A Parametric Study of Fabric Drape, Textile Res. J. 66, 17-24 (1996).

Cheng, K.P.S. , and Sun, M.N. , Effect of Strand Spacing and Twist Multiplier on Cotton Sirospun Yarn, Textile Res. J. 68 (7), 520-527 (1998).

Cusick, G.E. , J. Textile Inst. 56, T596 ( 1965).

Fischer, P. , Krzywinski, S. , Rödel, H. , Schenk, A. , and Ulbricht, V. , Simulating the Drape Behavior of Fabrics, Textile Res. J. 69 (5), 331-334 (1999).

Gan, L. , Ly, N.G. , and Steven, G.P. , A Study of Fabric Deformation Using Nonlinear Finite Elements, Textile Res. J. 65, 660-668 (1995).

Hearle, J.W.S. , Grosberg, P. , and Backer, S. , "Structural Mechanics of Fibers, Yams and Fabrics," Vol 1, John Wiley & Sons, Inc., NY, 1969.

Hu, J. , and Chan, Y.F. , Effect of Fabric Mechanical Properties on Drape, Textile Res. J. 68, 57-64 (1998).

10.

IWS Product Specification W1, August 2000.

11.

Jeong, Y.J. , A Study of Fabric Drape Behavior with Image Analysis, Part I: Measurement, Characterization, and Instability, J. Textile Inst. 89, Part 1 (1), 59-69 (1998).

12.

Jeong, Y.J. , and Phillips, D.G. , A Study of Fabric Drape Behavior with Image Analysis, Part II: The Effects of Fabric Structure and Mechanical Properties on Fabric Drape, J. Textile Inst. 89, Part 1 (1), 70-79 (1998).

13.

Krook, C.M. , and Fox, K.R. , Study of the Tongue Tear Test , Textile Res. J. 15, 389-386 (1945).

14.

Miao, M. , Cai, Z. , and Zhang, Y. , Influence of Machine Variables on Two-Strand Yarn Spinning Geometry , Textile Res. J. 63 (2), 116-120 (1993).

15.

Neter, J. , Wasserman, W. , and Whitmore, G.A. , "Applied Statistics," 4th ed., Allyn and Bacon, NY, 1992, pp. 599-650.

16.

Plate, D. , Sirospun: Goodbye to the Twofold, Textile Horiz. (2), 34-37 ( 1982).

17.

Plate, D.E.A. , An Alternative Approach to Two-Fold Weaving Yarn, Part V: The Properties of Two-Strand Yarns, J. Textile Inst. 74 (6), 320-328 (1983).

18.

Plate, D.E.A. , and Lappage, J. , An Alternative Approach to Two-Fold Weaving Yarn, Part I: Control of Surface Fibers, J. Textile Inst. 73 (3), 99-106 (1982).

19.

Realff, M.L. , Boyce, M.C. , and Backer, S. , A Micromechanical Model of the Tensile Behavior of Woven Fabric, Textile Res. J. 67 (6), 445-459 (1997).

20.

Scelzo, W.A. , Backer, S. , and Boyce, M.C. , Mechanistic Role of Yarn and Fabric Structure in Determining Tear Resistance of Woven Cloth, Part I: Understanding Tongue Tear, Textile Res. J. 64 (5), 291-304 (1994).

21.

Scelzo, W.A. , Backer, S. , and Boyce, M.C. , Mechanistic Role of Yarn and Fabric Structure in Determining Tear Resistance of Woven Cloth, Part II: Modeling Tongue Tear , Textile Res. J. 64 (6), 321-329 (1994).

22.

Shahpurwala, A.A. , and Schwartz , P. , Modeling Woven Fabric Tensile Strength Using Statistical Bundle Theory, Textile Res. J. 59 (1), 26-32 (1989).

23.

Sirofast , Fabric Assurance by Simple Testing, Instruction Manual, CSIRO Division of Wool Technology, Sydney, Australia, 1989.

24.

Stump, D.M. , and Fraser, W.B. , A Simplified Model of Fabric Drape Based on Ring Theory, Textile Res. J. 66, 506-514 (1996).

25.

Subramaniam, V. , and Mohamed, A.P. , Compressional Behaviour of Double-rove Yarns, J. Textile Inst. 84 (2), 214-220(1993).

26.

Sun, F. , Seyam, A.M. , and Gupta, B.S. , A Generalized Model for Predicting Load-Extension Properties of Woven Fabrics , Textile Res. J. 67 (12), 886-874 (1997).

27.

Taylor, H.M. , Tensile and Tearing Strength of Cotton Cloths , J. Textile Itist. 50, T161-T188 ( 1959).

28.

Teixeira, N.A. , Platt, M.M. , and Hamburger , W.J. , Mechanics of Elastic Performance of Textile Materials, Part XII: Relation of Certain Geometric Factors to the Tear Strength of Woven Fabrics, Textile Res. J. 25, 838-861 (1955).

29.

Vangheluwe, L. , and Kiekens, P. , Time Dependence of the Drape Coefficient of Fabrics, Int. J. Clothing Sci. 5, 5-8 (1993).