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Interfacial interaction enhancement by shear-induced β-cylindrite in isotactic polypropylene/glass fiber composites.
- Source :
-
Polymer . Sep2016, Vol. 100, p111-118. 8p. - Publication Year :
- 2016
-
Abstract
- Isotactic polypropylene (iPP)/glass fiber (GF) composites with different specific interfacial features ( viz ., α-spherulite, α-cylindrite and β-cylindrite) were prepared via shear-induced interfacial crystallization. α-spherulite, α-cylindrite and β-cylindrite were successively encouraged at the interface between iPP matrix and GF with increasing the fiber-pulling speed. Moreover, the composite specimens containing β-cylindrite exhibited remarkably higher interfacial shear strength (IFSS) than those containing α-spherulite or α-cylindrite, as demonstrated by the single fiber fragmentation test (SFFT). More interestingly, simultaneously improved tensile strength and toughness were observed in the presence of β-cylindrite. This study offers a new insight that β-cylindrite produced by shear is an alternative approach to achieve comprehensive mechanical properties for the iPP/fiber composite systems. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 00323861
- Volume :
- 100
- Database :
- Academic Search Index
- Journal :
- Polymer
- Publication Type :
- Academic Journal
- Accession number :
- 117800921
- Full Text :
- https://doi.org/10.1016/j.polymer.2016.08.016