Limitations of Test Methods for Plastics

    Peraro JS
    Published: 2000

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    This significant and timely new ASTM publication explores the problems involved with the inherent limitations that are present in all test methods. These limitations, caused by numerous variables, have a direct influence on the accuracy of the generated test data.

    This volume demonstrates how to properly use and select test methods for specific applications, and how to better understand the generated test data.

    17 peer-reviewed papers are divided into the following sections:

    General Design--discusses the various options and concerns facing engineers in the selection of the best material candidate and the development of test data for a specific performance criteria. Two methods for estimating lifetime expectancy under non-isothermal conditions are also examined.

    Mechanical--explores traditional tests such as tensile and deflection under flexural load. This section investigates common variables that affect test results in both ASTM and ISO tensile tests, and the implications of conversion from ASTM to ISO standards for material characterization. Also covered are new techniques for testing adhesive bond strength tests for piping systems.

    Impact/Fracture--examines the large number of variables that have a significant effect on impact resistance, including data comparing instrumented and non-instrumented IZOD and Charpy tests. It also presents a new standardized test procedure and round robin test data developed over a five-year period validating the test protocol.

    Chemical/Rheological--covers advanced testing techniques primarily in the area of rheological testing. Included is a presentation comparing thermomechanical analysis to the coefficient of linear thermal expansion and the measurement of the glass transition temperature.

    Audience: Technicians and managers in plastics testing laboratories. Also for sales and marketing personnel who use test data and anyone in corporate management who needs an understanding of the limitations of generated test data.

    Table of Contents

    What Does a Property Data Sheet Really Tell You?
    Driscoll S., Shaffer C.

    On the Variation of Compliance Measurements in Polymeric Solids
    Bradley S., Bradley W., Puckett P.

    Estimation of Lifetime Under Non-Isothermal Conditions
    Blaese D., Schmachtenberg E.

    A Comparison of Tension Test Data Using ASTM D 638 and ISO 527
    Friday M.

    The Usefulness of HDT and a Better Alternative to Describe the Temperature Dependence of Modulus
    Sepe M.

    Interpretations of Tensile Properties of Polyamide 6 and PET Based Thermoplastics Using ASTM and ISO Procedures
    Jia N., Kagan V.

    Tension Testing of Thin Bulk Adhesive Specimens
    Albrecht M., Albrecht P., Eley K., You J.

    A Study of Bond Strength Testing for Solvent Cement Joints in PVC Piping Systems
    Paschal J.

    Notched Impact Testing of Thermoplastics: A New Perspective
    Douglas M., Leevers P.

    Instrumented Pendulum Impact Testing of Plastics
    Cruz C., Manahan M., Yohn H.

    Development of a Standard for Determining KIC and GIC for Plastics at High Loading Rates: the ESIS Protocol for 1 m/s Testing
    Pavan A., Williams J.

    PENT-Universal Test for Slow Crack Growth in Plastics
    Brown N., Lu X.

    Temperature Measurements in TGA
    Foreman J., Kelsey M.

    Pitfalls in Measurement of non-Newtonian Materials—“It's a Line, Not a Point!”
    Whittingstall P.

    Factors Affecting the Accuracy of TMA Measurements
    Foreman J., Kelsey M., Widmann G.

    Acetone Immersion Testing Per ASTM Test Method D2152
    Houle J.

    Reinforced Epoxy Resin Cure Assessment in Composite Materials: Measure and Effects
    Cappelletti C., Guerra S., Risetti S., Zaffaroni G.

    Author Index

    Subject Index

    Committee: D20

    DOI: 10.1520/STP1369-EB

    ISBN-EB: 978-0-8031-5422-3

    ISBN-13: 978-0-8031-2850-7

    ASTM International is a member of CrossRef.