When the fiber absorb water they change dimentinally ( Length, Diameter, Area ). Swelling occurs in transvers direction ( width wise ) and Axial direction ( Lengthwise). It can be expressed in term of increase in Diameter, length, area and volumes. That means the dimensionally changes due to absorbing water or moisture by any fiber …
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The behaviors which are shown by a textile material when it is subjected to a torsional force is called torsional property. 1. Torsional rigidity 2. Breaking twist 3. Shear modulus 1.Torsional rigidity: Torsional rigidity can be defined as the torque required against twisting is done for which torque is termed as torsional rigidity. Mathematically, torsional …
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