Abstract
The purpose of this study is to inquire experimentally into the general creep and recovery properties of textile fibers and to represent these properties quantitatively by some constants.
The following empirical formulas show the total elongation ε due to constant tensile stress σ during loading time t, and the total recovery shrinkage ε' due to unloading at time t' after unloading:
_??_ (1)
_??_ (2)
where EoEr b, l, m and n are constants proper to each fiber under constant conditions.
Consequently, these constants represent quantitatively the creep and recovery properties of the fibers. Cotton, wool, viscose rayon, bemberg, acetate, vinylon and nylon fibers were tested as single filaments in the experiments referred to in this article.
