Abstract
The shape of the load-extension curve, observed when stretching an unnotched specimen at constant speed, provides an indication of the rate of hardening beyond yield. Evidence is provided that this rate has an important influence on propensity to craze, on the plastic-zone shape, and on the fracture toughness of notched specimens. This has relevance to the effects of chemical constitution, molecular orientation, molecular weight, and some additives.
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References
Vincent, P. I., “Ductile Crack Growth in Poly(Ethylene Terephthalate) Film, Polymer, 12, 534–536 (1971).
Haward, R. N., “Effect of an Elastomeric Phase on the Properties of Rigid Thermoplastics”, Brit. Polymer J., 2, 209–216 (1970).
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© 1973 Springer Science+Business Media New York
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Vincent, P.I. (1973). Load-Extension Curves and Fracture Toughness. In: Kausch, H.H., Hassell, J.A., Jaffee, R.I. (eds) Deformation and Fracture of High Polymers. Springer, Boston, MA. https://doi.org/10.1007/978-1-4757-1263-6_16
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DOI: https://doi.org/10.1007/978-1-4757-1263-6_16
Publisher Name: Springer, Boston, MA
Print ISBN: 978-1-4757-1265-0
Online ISBN: 978-1-4757-1263-6
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