Crazing in Polymers Vol. 2

activation volumes Argon cavitation chain constant crack jump crack propagation crack speed craze dimensions craze fibrils craze growth craze initiation craze length craze matter craze stress craze structure craze tip craze zone crosslinking curve decrease diluent disentanglement Döll Dugdale model effect experimental extension ratio fatigue crack propagation fatigue fracture fatigue lifetime fibril breakdown films fracture mechanics fracture surface fracture toughness frequency glass transition temperature glassy polymers Hertzberg RW interface ion content ionomers K₁ Kausch Könczöl Kramer low molecular weight material maximum craze width measured micrographs mm/s modulus molecular weight morphology notch observed optical interferometry parameters Phys plane strain plastic zone PMMA polycarbonate rubber samples Schirrer semicrystalline shear bands shear deformation shown in Fig shows specimens strain rate stress intensity factor STRESS MPa stress-strain temperature tensile tests thermoplastics toluene velocity volume fraction yield stress