Characterization Methods and Physical Properties of Novelty Yarn

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Title: Characterization Methods and Physical Properties of Novelty Yarn
Author: Jaganathan, Sudhakar
Advisors: Dr. William Oxenham, Committee Chair
Dr. Pamela Banks-Lee, Committee Member
Prof. Nancy Powell, Committee Member
Abstract: The purpose of this work is to find the characterization methods which quantitatively define the inherent properties of novelty yarn. The research was divided in to two parts. In the first part various instrumental methods and techniques were investigated to characterize the physical properties of the novelty yarns. Various structural properties of gimp and slub yarns were defined and characterized. Instrumental method included CTT Tester, Hairiness tester and a Traveling Microscope. An image analysis algorithm was proposed to measure the size distribution of novelty yarn structural effects. In the second part visual perception of novelty yarn texture was characterized. A texture nomenclature based on the theory of 'Textons' was developed. A human psychological survey was conducted to get observers response on texture terms. We proposed various image analysis methods to quantitatively characterize the novelty yarn texture. The image analysis method had good correlation with human psychological response on the novelty yarn texture.
Date: 2005-04-26
Degree: MS
Discipline: Textile Technology Management
URI: http://www.lib.ncsu.edu/resolver/1840.16/831


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