A. A. Gharehaghaji
Textile Engineering, Isfahan University of Technology
[ 1 ] - Redistribution of Fibers in the Structure of Hollow Ring Spun Yarn
Core yarn was spun by introducing a PVA multifilament as the core through the yarn forming zone of a ring spinning frame and viscose fibers as the sheath containing tracer fibers. The water soluble PVA multifilament was extracted from the yarn structure. Then internal structure and properties of the hollow ring yarn was assessed and compared with those of typical ring yarns. Also, two plain fab...
[ 2 ] - Evaluating Pile Yarn Characteristics in Hand Woven Carpet using Stress-Strain Behavior in Compression
Many factors such as production methods and structural parameters have distinctive influence on the quality and performance of a hand woven carpet. To investigate the effects of some variables, eighteen samples of carpet vary, in knot density, pile height and percentage of slipe wool, were manufactured. Pile yarn performance was assessed by using load-displacement compression curve, obtained fr...
[ 3 ] - Study on the Interactions between Mechanical and Structural Properties of the Thermobonded Nonwovens
Thermobonding is widely used in producing of nonwovens. In this study various layers of thermobonded nonwovens were produced by altering the pressure, binder fibres and quality of blending. Mechanical properties of the so-called layers such as breaking strength and breaking elongation, bending rigidity and air permeability were assessed consequently. The structure of the layers was then studied...
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