Fracture Mechanics of Polymers |
Other editions - View all
Common terms and phrases
analysis approximation assume behaviour bending brittle Charpy cm/min computed condition constant load crack front crack initiation crack length crack propagation crack speed crack tip craze stress criterion curves decreases deduced defined deformation density dependence determined displacement ductile tearing E₁ E₂ effects elastic energy dissipation energy release rate expression failure fatigue fracture mechanics Fracture toughness function geometry give HDPE homopolymer impact test increases K₁ K₁₁ KC MPa√m kg/m³ kinetic energy kJ/m² ligament area line zone linear material methanol modulus MPa/m obtained occur P₁ parameter plane strain plane stress plastic zone plotted PMMA polymers reference result rubber Section shear shown in Fig shows solution specimen stable strain energy stress field stress intensity factor surface temperature tension thickness transition u₁ unstable values velocity versus visco-elastic yield stress Δα πα