Effects of Molding and Annealing Variables on the Fatigue Behavior of Thermoplastic Materials |
Contents
REVIEW OF LITERATURE ON FACTORS AFFECTING FATIGUE | 12 |
Effects of Annealing and Other Thermal | 16 |
Effect of Stress Concentration | 22 |
Copyright | |
8 other sections not shown
Common terms and phrases
Acetal fatigue acetal resin amorphous polymers anneal caused Annealed 320 annealed 4 hours annealing treatments birefringence confidence band crack growth crack propagation crystalline polymers curves for acetal curves for PMMA curves for polycarbonate disorientation distributions for PMMA effect Fatigue life distributions Fatigue Testing fluid loading fracture surfaces glass fabric higher cylinder temperature hour anneal increased injection molded lamellae laminates material mating surface mold temperature molded and annealed notch sensitivity notched specimens occurred orientation and residual paddle phenolic PMMA smooth specimens Polycarbonate fatigue polycarbonate notched specimens polycarbonate smooth specimens polyester Polymer Sci polystyrene probabilities of failure reduced residual stresses S-N comparisons S-N curves sample shear stresses shown in Fig side groups smooth specimens annealed specimens annealed 290 spherulites statistical strength reduction stress concentration tensile stress thermoplastic transverse Typical acetal fracture Typical PMMA fracture Typical polycarbonate fracture values variables Weibull distributions Wolock