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IDENTIFICATION OF SOME POLYESTER FIBRES BY THEIR LOAD- ELONGATION CHARACTERISTICS

NCJ Number
146714
Journal
Indian Journal of Criminology Volume: 21 Issue: 2 Dated: (July 1993) Pages: 99-105
Author(s)
D Singh; M C Johri; V N Sehgal
Date Published
1993
Length
7 pages
Annotation
Results of a test of polyester fibers from factories in India are discussed.
Abstract
This article reports the results of a study of the tenacity of 17 polyester fibers manufactured and supplied by six factories in India. The test used the constant rate of extension (CRE) method and the tensile testing instrument, Instron, made in the U.S. Twenty fibers of each sample were chosen at random. The load-elongation characteristic curve of each fiber was recorded, using the same gauge length and constant rate of extension. Tests were conducted in an air- conditioned room, maintained at the standard atmospheric condition for testing textile fibers. Analysis of the results revealed that the average value of tenacity differed significantly from sample to sample, but in the same sample were relatively constant. Although the CRE method results in destruction of the sample, results of this study indicate that tenacity may be used to assist in differentiating fibers from different factories of the same denier and fibers of different denier from the same factory. Tables, references

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