On the influence of chain morphology on the shock response of three thermoplastics

Neil K. Bourne, J. C F Millett

    Research output: Contribution to journalArticlepeer-review

    Abstract

    It is increasingly important to understand the dynamic response of polymers and polymer composites as their engineering application increases. This work aims to investigate the effects of additions to thermoplastic carbon chains on the response of the resulting polymer at the continuum scale. Polyethylene, polyvinyldichloride, and polymethylmethacrylate are shocked, and their equation of state and strength properties is presented. An explanation is sought for the greater hardening observed in polymethylmethacrylate by looking at tacticity and electronic attractive forces, as well as entanglement of chains as a result of the large pendent side group. It is concluded that this entanglement has the greatest effect upon the observed strengthening in these thermoplastics. © The Minerals, Metals amp; Materials Society and ASM International 2007.
    Original languageEnglish
    Pages (from-to)266-271
    Number of pages5
    JournalMetallurgical and Materials Transactions A: Physical Metallurgy and Materials Science
    Volume39
    Issue number2
    DOIs
    Publication statusPublished - Feb 2008

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