科研之友
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摘要
Following the first part of this series, the friction and stretching steps of the comprehensive handle evaluation system for fabrics and yarns (CHES-FY) are studied in this paper. By analyzing the friction and stretching principle and the structure of the CHES-FY, theoretical analyses and modeling of the friction between a fabric and a surface were made and the corresponding formula for the frictional coefficient was obtained; then, theoretical models of tensile characteristics were also constructed and corresponding formulae for tensile elastic constants with friction action were obtained. Comparisons of frictional coefficient and tensile elastic constant values between experimental results and theoretical prediction were conducted, and the results of the correlation coefficient show good agreement. It indicates that the method for measuring the frictional coefficient and tensile elastic constant was good at characterizing the frictional and tensile behavior of fabrics. It can be concluded that the theoretical models of friction and tensile properties are effective in characterizing the friction and tensile properties of fabrics, and the CHES-FY is feasible and accurate in measuring the friction and tensile properties of fabrics.
