Tensile testing: CRE, CRL and CRT principles, stress-strain curve, various methods for finding of yield point, methods for finding of various modulus, tensile testing of single yarn and lea, count-strength product; Effect of gauge length, rate of extension and relative humidity on tensile properties, weak-link theory.
Knowledge about various yarn and fabric strength testing instruments- single yarn strength tester, lea strength tester, fabric tensile strength tester, bursting strength tester, tear strength tester.
Knowledge of various physical properties of fabric and equipment used- thread density of woven and knitted fabrics, crimp, weight, cover factor, abrasion resistance, pilling, air permeability, thickness, drape, stiffness, crease recovery, wrinkle recovery. Introduction to Kawabata Evaluation System, Fabric Assurance by Simple Testing,
Determination of composition of various blends, shrinkage, pH, concept of color theory, measurement of color fastness to light, rubbing, washing, sublimation, perspiration, drycleaning and sea water; thermal resistance and transmission, water repellency
After completion of the course student will be able to:
This subject is on page 14 of the original AKTU PDF.
