Greatly enhanced cryogenic mechanical properties of short carbon fiber/polyethersulfone composites by graphene oxide coating

In order to employ polyethersulfone (PES) in cryogenic engineering field, its cryogenic mechanical performance should be examined and should also be improved to meet the high requirement for cryogenic engineering application. In this work, pure PES, graphene oxide (GO)/PES, short carbon fiber (SCF)/...

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Veröffentlicht in:Composites. Part A, Applied science and manufacturing Applied science and manufacturing, 2016-10, Vol.89, p.47-55
Hauptverfasser: Li, Fei, Hua, Yang, Qu, Cheng-Bing, Xiao, Hong-Mei, Fu, Shao-Yun
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Sprache:eng
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Zusammenfassung:In order to employ polyethersulfone (PES) in cryogenic engineering field, its cryogenic mechanical performance should be examined and should also be improved to meet the high requirement for cryogenic engineering application. In this work, pure PES, graphene oxide (GO)/PES, short carbon fiber (SCF)/PES, GO/SCF/PES and GO-coated SCF/PES composites are prepared using the extrusion compounding and injection molding techniques. The tensile and flexural properties of these composites are systematically investigated at a typical cryogenic temperature (77K). It is shown that the cryogenic mechanical properties are enhanced by the addition of GO, SCFs and coated-SCFs. In particular, the GO-coated SCF/PES composites display the greatly enhanced cryogenic mechanical properties with the highest values compared to other PES composites. In addition, it is exhibited that the cryogenic mechanical properties at 77K of PES and its composites are far higher than those at room temperature (RT).
ISSN:1359-835X
1878-5840
DOI:10.1016/j.compositesa.2016.02.016