Plastics Failure Analysis and Prevention book cover

Plastics Failure Analysis and Prevention

This book contains analysis of reasons that cause products to fail. General methods of product failure evaluation give powerful tools in product improvement. Such methods, discussed in the book, include practical risk analysis, failure mode and effect analysis, preliminary hazard analysis, progressive failure analysis, fault tree analysis, mean time between failures, Wohler curves, finite element analysis, cohesive zone model, crack propagation kinetics, time-temperature collectives, quantitative characterization of fatigue damage, and fracture maps. Methods of failure analysis are critical to for material improvement and they are broadly discussed in this book. Fractography of plastics is relatively a new field which has many commonalities with fractography of metals. Here various aspects of fractography of plastics and metals are compared and contrasted. Fractography application in studies of static and cycling loading of ABS is also discussed. Other methods include SEM, SAXS, FTIR, DSC, DMA, GC/MS, optical microscopy, fatigue behavior, multiaxial stress, residual stress analysis, punch resistance, creep-rupture, impact, oxidative induction time, craze testing, defect analysis, fracture toughness, activation energy of degradation.Many references are given in this book to real products and real cases of their failure. The products discussed include office equipment, automotive compressed fuel gas system, pipes, polymer blends, blow molded parts, layered, cross-ply and continuous fiber composites, printed circuits, electronic packages, hip implants, blown and multilayered films, construction materials, component housings, brake cups, composite pressure vessels, swamp coolers, electrical cables, plumbing fittings, medical devices, medical packaging, strapping tapes, balloons, marine coatings, thermal switches, pressure relief membranes, pharmaceutical products, window profiles, and bone cements.

Audience
Researchers and engineers in the plastics industry concerned with the reasons why plastics components and parts fail and who want to increase life of a product.

Hardbound, 345 Pages

Published: December 2001

Imprint: William Andrew

ISBN: 978-1-884207-92-1

Contents

  • 1. Practical Risk AnalysisùAs a Tool for Minimizing Plastic Product Failure2. Avoiding the GIGO Syndrome3. Defect Analysis and High Density Polyethylene Pipe Durability4. Progressive Failure Analysis of Fiber Composite Structures5. Failure Analysis Models for Polyacetal Molded Fittings in Plumbing Systems6. Estimation of Time-Temperature-Collectives at Describing Aging of Polymer Materials7. Fractography of Metals and Plastics8. Fractography of ABS9. Attachment Design Analysis of a Plastic Housing Joined with Snap-Fits10. Joint Performance of Mechanical Fasteners under Dynamic Load11. Morphological Study of Fatigue Induced Damage in Semi-Crystalline Polymers12. Ductile Failure and Delayed Necking in Polyethylene13. Fatigue Behavior of Discontinuous Glass Fiber Reinforced Polypropylene14. Translating Failure into SuccessùLessons Learned from Product Failure Analysis15. Case Studies of Plastics Failure Related to Improper Formulation16. Case Studies of Inadvertent Interactions between Polymers and Devices in Field Applications17. Factors Affecting Variation in Gardner Impact Testing18. Standard Test Procedures for Relevant Material Properties for Structural Analysis19. The Influence of Multidimensional State of Stress on the Mechanical Properties of Thermoplastics20. The Influence of Morphology on the Impact Performance of an Impact Modified PP/PS Alloy21. Morphology and Mechanical Behavior of Polypropylene Hot Plate Welds22. Orientation Effects on the Weldability of Polypropylene Strapping Tape23. Activation Energies of Polymer Degradation24. Effects of Processing Conditions on the Failure Mode of an Aliphatic Polyketone Teropolymer25. Durability Study of Conductive Copper Traces within Polyimide Based Substrates26. The Role of Heat Affected Zone (HAZ) on Mechanical Properties in Thermally Welded Low Density Polyethylene Blown Film27. Plastics Failure Due to Oxidative Degradation in Processing and Service28. Comparing the Long Term Behavior of Tough Polyethylenes by Craze Testing29. Crack Propagation in Continuous Glass Fiber/Polypropylene Composites30. Freeze-Thaw Durability of Composites for Civil Infrastructure31. Temperature-Moisture-Mechanical Response of Vinyl Ester Resins and Pultruded Vinyl Ester/e-glass Laminated Composites32. Fracture Behavior of Polypropylene Modified with Metallocene Catalyzed Polyolefin33. Mechanical Performance of Polyamides with Influence of Moisture and Temperature34. Shelf Life Failure Prediction Considerations for Irradiated Polypropylene Medical Devices35. Environmental Stress Cracking of ABS IIRadiation Resistance of Multilayer Films by Instrumented Impact Testing36. Mechanical Behavior of Fabric Film Laminates37. Determining Etch Compensation Factors for Printed Circuit Boards38. Estimation of Long-Term Properties of Epoxies in Body Fluids39. Aspects of the Tensile Response of Random Continuous Glass/Epoxy Composites40. Residual Stress Development in Marine Coatings under Simulated Service Conditions41. Evaluation of a Yield Criteria and Energy Absorbing Mechanisms of Rubber Modified Epoxies in Multiaxial Stress States42. Design Aids for Preventing Brittle Failure in Polycarbonate and Polyetherimide43. Effect of Scale on Mechanical Performance of PMMA44. Defect Cost Analysis45. 10 Common Pitfalls in Thin-Wall Plastic Part Design46. Strategies for the Evaluation of Weathering-Induced Failure of Polymers

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