Practical Testing and Evaluation of Plastics

  • ID: 2586735
  • Book
  • 240 Pages
  • John Wiley and Sons Ltd
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Filling a need, this ready reference brings together the hard–to–get and recently acquired knowledge usually only found scattered in the original literature.

Following an introduction to plastics as a class of engineering materials and an overview of their properties, the book comprehensively covers the characterization and quality control of manufactured plastic components, including an exhaustive treatment of the possible flaws of plastics inadvertently introduced during manufacturing along with viable solutions to prevent these faults. The second part is concerned with the testing of the resulting end products by various physical and chemical methods on the nano–, meso– and macroscale. An appendix with thermoanalytic data and international standards for the most commonly used polymers in plastics engineering rounds off the text.

Written by experienced academics and industrial researchers and developers who intimately know the problems faced by plastics engineers in their daily work – as well as the solutions – this book provides first–hand practical knowledge and in–depth discussions for industrial chemists and materials scientists alike.
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Structure and Behavior of Plastics: Influence of Molecular Weight on Material Properties, Homo– and Co–Polymers, Polymer Blends

Melting Polymers

Mechanical Behavior of Polymers: Creep, Glass Transition Temperature, Melt, Solidification, Time Dependent Deformation, Time Dependence and Thermal Activation

Uniaxial Stress–Strain Behavior

Molding Compounds

Material Selection

Processing of Polymers: Preconditioning, Production Processes, Effects on Quality



Materials Characterization

Typical Flaws: Filamentation, Cold Slogs, Jetting, Inclusions, Diesel Effect, Incomplete Fill, Shrink Marks, Flash, Contraction Cavities, Bubbles, Weld Lines, Flow Figures, Dark Spots, Record Effect, Exfoliation, Fouling, Demolding Errors, Warpage, Shrinkage, Whitening, Cracking

Problems and Possible Solutions: Material Qualification, Component Qualification, Material Identification, Fillers, Recyclate Processing, Material Degradation, Environmental Compatibility, Swelling, Inconsistent Workability, Pre–Drying, Thermal History, Effects of Color and Color Changes, Effects of Impact Toughness Modifiers, Orientation, Internal Stresses, Warpage, Quality Control, Failure Analysis, Internal Flaws, Tribological Properties, Tool Construction and Design, Manufacturing Process


Purpose of Material Testing

Test Planning

Sample Preparation and Test Execution: Sampling, Types of Samples, Test Execution

Presentation of Results /


Testing Macromolecular Properties: Infra–Red Spectroscopy, Gel Permeation Chromatography,

Solution Viscometry

Evaluating Melt Properties: Rheometry, Viscometry

Evaluating the Geometry of Molded Parts: Dimensions, Shrinkage, Warpage

Evaluating the Structure of Molded Parts: Orientation, Morphology, Atomic Force Microscopy, Ultrasound, X–Ray

Mechanical Testing: Quasi–Static Stress, Impact Testing, Long–Term Static Load, Long–Term Dynamic Loading, Temperature Effects

Optical Evaluation: Visual Inspection, Microscopic Inspection, Color Measurement

Thermal Analysis: Differential Scanning Calorimetry (DSC), Dynamic Mechanical Analysis (DMA), Thermogravimetric Analysis (TGA), Thermomechanic Analysis (TMA) –

Dilatometry, Hot Stage Microscopy, Determining Operating Temperatures

Chemical Testing: Chemical Resistance, Stress Cracking

Physical Properties: Density, Mass, Moisture and Water Absorption, Determining Ash Content, Weathering

Tribological Tests

Flammability Tests: Flammability, UL Flammability, Evaluating Burn Behavior by Oxygen Index Method

Electrical Testing


Thermoanalytic Data for Polymers




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Achim Frick
Claudia Stern
Ricardo J. Zednik
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