1 Fracture Mechanics of Polymers B&R Ch , Fried 4.4 Testing methods of mechanical properties Static Transient Impact Cyclical

2 Static tensile testing Fixed Clamp Moving Clamp Extensometer

3 Stress-strain tensile testing stress-strain curves of typical polymeric materials. properties of common polymers

Viscoelasticity 4

Craze and Shear Banding 5 F F F Shear banding F

Poisson’s ratio 6

Cold drawing of semi-crystalline polymers 7

Brittle vs. ductile failure 8 Factors affecting failure -

Compression Shear 9 Static tensile testing Material subjected to uniform hydrostatic pressure Material subjected to shear stress

Transient Test: Creep  1  2  3 10

Transient Test: Stress relaxation 11  t   

Impact & fatigue testing 12 Charpy Test