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Impact fracture mechanisms in polymer blends: Rubber‐toughened nylon
Abstract
The impact fracture mechanisms of rubber‐toughened nylon are analyzed by measuring the energy dissipated in several different processes during notched fracture. An energy balance is thus established for the impact fracture. The stress‐whitened zone is shown to be the energy dissipation zone, having an energy dissipation density of 5.30 cal/g. About 25% (i.e., 1.44 cal/g) of the impact energy is dissipated by matrix crazing. About 75% (i.e., 3.86 cal/g) is dissipated as heat by matrix yielding, causing a temperature rise of 9.1 °C in the energy dissipation zone. Surface energy storage on the fracture surfaces is negligible (i.e., 1.45 × 10−5 cal/g). During matrix yielding, about 12% of α‐triclinic nylon crystals is transformed into pseudohexagonal crystals.
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Cited by
Formation of dispersed phase in incompatible polymer blends: Interfacial and rheological effects
Wu, S. (1987) · Polymer Engineering & Science · doi:10.1002/pen.760270506 · Cited by 1,117
Self-citationRubber toughening in polypropylene: A review
Liang, J. Z., & Li, R. K. Y. (2000) · Journal of Applied Polymer Science · doi:10.1002/(sici)1097-4628(20000711)77:2<409::aid-app18>3.0.co;2-n · Cited by 388
Bai, H., Xiu, H., Gao, J., Deng, H., Zhang, Q., Yang, M., & Fu, Q. (2012) · ACS Applied Materials & Interfaces · doi:10.1021/am201564f · Cited by 260
Gigante, V., Canesi, I., Cinelli, P., Coltelli, M. B., & Lazzeri, A. (2019) · European Polymer Journal · doi:10.1016/j.eurpolymj.2019.03.015 · Cited by 156
Zhang, S., Zhu, S., Feng, X., Han, K., Huan, Q., Song, J., Ma, Y., & Yu, M. (2013) · RSC Advances · doi:10.1039/c3ra22515a · Cited by 30
Metadata
- Authors
- Wu, S.
- Venue
- Journal of Polymer Science: Polymer Physics Edition
- Publisher
- Wiley
- Published
- 1983-05
- Volume
- 21
- Issue
- 5
- Pages
- 699-716
- ISSN
- 0098-1273 (ISSN-L)
- 1542-9385
- OpenAlex
- W2011983004
- Cited by
- 178
- References
- 0
- FWCI
- 4.37
- Type
- journal article
- Language
- en
- Open access
- closed
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- Wu, S. (1983). Impact fracture mechanisms in polymer blends: Rubber‐toughened nylon. Journal of Polymer Science: Polymer Physics Edition. https://doi.org/10.1002/pol.1983.180210503
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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