Flexible Structures Test 1

Types of Natural Fibers

Cotton, Linen, Hemp, Wool, Silk

Types of Man-Made Fibers

Acetate, Acyrlic, Carbon, Glass, Nylon

What type spinning is this?

melt spinning

What type of spinning is this?

Dry Spinning 

What type of spinning is this?

Wet spinning

Total strength of fiber depends on

Intrinsic ability to remain intact and dimensions

What model is this?

Voigt Model

What Model is this?

Maxwell model

Auxetic Materials

materials that, when subjected to tensile forces, exhibit an increase in dimensions perpendicular to the applied force.

What type of elongation/elasticity?

Perfect Elasticity

What type of elongation/elasticity?

Complete Elasticity

What type of elongation/elasticity?

Imperfect Elasticity

Weaving Machines

Single Phase, Multi Phase, Flat, Circular, 

These machines are named after their insertion systems

Major Weaving Machine Producers

Itema Group, Toyota/Nissan

Classification of Woven Fabrics

By Weave Type

By Common Names

By Weight

By coloration method

By the end of use

Yarn Nomenclature: Spun cotton yarns

only count and ply are given, twist/twist direction not given

Plied Yarn Nomenclature: Indirect Count

Count of the singles; number of singles combined to make plied yarn; number of plied yarns combined to make the cord

Plied Yarn Nomenclature: Direct Count

Tex/Denier of single yarn is given first