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New impulse-Acoustic method for testing and estimating the transversal unevenness and defectiveness of filaments in chemical yarns
yarn irregularity yarn’s transversal unevenness yarn stretching stress-strain diagram
2009/2/13
The problem of testing the transversal unevenness of yarns is presented, and the methods used hitherto briefly revised. The development of the impulse-acoustic method and its basic principles are desc...
Influence of the Rheological Properties of Pigment Concentrates on Unevenness of Polypropylene Spun-dyed Fibres
pigment concentrates rheological properties fibre diameter unevenness
2009/2/8
In this paper, the influence of selected rheological parameters of polypropylene pigment concentrates on the external and internal unevenness of polypropylene spun-dyed fibres was investigated. For ex...
Investigation of Unevenness of Some Fabric Cross-Section Parameters
fabric cross-section thread projection air permeability
2009/1/20
Woven fabric, as other textile materials, has a specific three-dimensional structure; fabric thickness to all intents and purposes is low in comparison with its length and width. On the other hand, th...