Question: Use the graphs below to answer the following questions. What is the effect of yarn wind-up (take-up) speed on the mechanical properties of Nylon 6
Use the graphs below to answer the following questions. What is the effect of yarn wind-up (take-up) speed on the mechanical properties of Nylon 6 fibers? How does the microstructure of Nylon 6 yarns change with wind-up speed?

Fig. 1. True stress as a function of tensile strain (LL0) for Nylon-6 yarns obtained at different wind-up speed and draw ratio, as indicated in the legend. A commercially available Nylon-6 technical and tyre cord yarn are also included in this graph
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