Mechanical Properties of Yarn

1. Mechanical Properties of Yarn
 Tensile Properties
 Flexural Properties
 Torsional Properties
 Frictional Properties
Copyright © 2009 Tamim Kibria, Souteast University

2. Tensile Properties
 Elasticity
 Elastic Limit
 Plasticity
 Elongation
 Breaking Point
 Breaking Extension
Copyright © 2009 Tamim Kibria, Souteast University

3. Properties of Textile Material
 Bulk Properties
 Surface Properties
 Transfer Properties
Copyright © 2009 Tamim Kibria, Souteast University

4. Bulk Properties
 Uni-axial Tension
 Compression
 Bi-axial Tension
 Shear
 Bending Behaviour
 Torsional Characteristics
 Dimensional Stability
Copyright © 2009 Tamim Kibria, Souteast University

5. Surface Properties
 Handle
 Roughness
 Wear resistance
 Friction
Copyright © 2009 Tamim Kibria, Souteast University

6. Transfer Properties
 Air Permeability
 Water Permeability
 Filtration Efficiency
 Penetration Resistance
 Heat Transfer
Copyright © 2009 Tamim Kibria, Souteast University

7. Effect of fibre length, fineness and
strength on yarn properties
 Fibre length
1. Yarn strength
2. Yarn hairiness
3. Yarn handle
4. Lustre
5. Yarn evenness
6. Yarn count
7. Processing efficiency
8. Production
Copyright © 2009 Tamim Kibria, Souteast University

8. Fibre fineness
1. Yarn strength
2. Lustre
3. Flexibility
4. Torsional property
5. Spinning limit
6. Yarn count
Copyright © 2009 Tamim Kibria, Souteast University

9. Fibre Strength
1. Yarn strength
2. Fibre damage
3. Spinning performance
Copyright © 2009 Tamim Kibria, Souteast University

10. Fibre Strength
1. Yarn strength
2. Fibre damage
3. Spinning performance
Copyright © 2009 Tamim Kibria, Souteast University