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Abstract
The details of a study on splicing behavior of viscose staple fiber yarns, prepared by ring, rotor, and air-jet spinning technologies, are reported in this paper. All the yarns had six different color tracers with each having 0.3% of total fibers. The mechanical and structural properties of splices were studied. A three-variable three-level factorial design approach proposed by Box and Behnken was used to study the interactive effect of splicing parameters. The splicing parameters such as splicing length, duration of splicing air blast, and splicing air pressure were varied to prepare spliced yarn samples. Splices were introduced at all these levels for the three different technologies. The present paper (Part I) deals with the mechanical characteristics of splice portions, i.e. retained splice strength (RSS) and retained splice elongation (RSE). It has been observed that there are significant effects of all these parameters on the tensile characteristics of spliced yarns. However, the trends are different for different spinning technologies. Part II of this paper deals with the internal structural characteristics of splices.