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Effect of carbon fiber amount and length on flame retardant and mechanical properties of intumescent polypropylene composites
Date
2018-02-01
Author
ATABEK SAVAŞ, Lemiye
Mutlu, Aysenur
Dike, Ali Sinan
Tayfun, Umit
DOĞAN, Mehmet
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The effects of carbon fiber amount and length were studied on the flame retardant, thermal, and mechanical properties of the intumescent polypropylene composites. The flame retardant properties of the intumescent polypropylene-based composites were investigated using limiting oxygen index, vertical burning test (UL-94), and mass loss calorimeter. The mechanical properties of the composites were studied using tensile test and dynamic mechanical analysis. According to the flammability tests results, the antagonistic interaction was observed between carbon fiber and ammonium polyphosphate. The limiting oxygen index value reduced steadily as the added amount of carbon fiber increased. Mechanical test results revealed that the addition of carbon fiber increased the tensile strength and the elastic modulus as the added amount increased. No effect of carbon fiber length was observed on the flammability, fire performance, and tensile properties of composites, whereas the elastic modulus increased as the carbon fiber initial length increased.
Subject Keywords
Mechanical Engineering
,
Materials Chemistry
,
Mechanics of Materials
,
Ceramics and Composites
URI
https://hdl.handle.net/11511/67959
Journal
JOURNAL OF COMPOSITE MATERIALS
DOI
https://doi.org/10.1177/0021998317710319
Collections
Department of Metallurgical and Materials Engineering, Article
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L. ATABEK SAVAŞ, A. Mutlu, A. S. Dike, U. Tayfun, and M. DOĞAN, “Effect of carbon fiber amount and length on flame retardant and mechanical properties of intumescent polypropylene composites,”
JOURNAL OF COMPOSITE MATERIALS
, pp. 519–530, 2018, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/67959.