QUT ePrints

Stretching-induced orientation to improve mechanical properties of electrospun pan nanocomposites

Hou, X. X. , Yang, X. P. , Zhang, F. , Wu, S. Z. , & Waclawik, E. (2008) Stretching-induced orientation to improve mechanical properties of electrospun pan nanocomposites. International Journal of Modern Physics B, 22(31 & 32), pp. 5913-5918.

[img] Published Version (PDF 601kB)
Administrators only | Request a copy from author

View at publisher

Abstract

Partially aligned and oriented polyacrylonitrile(PAN)-based nanofibers were electrospun from PAN and SWNTs/PAN in the solution of dimethylformamide(DMF) to make the carbon nanofibers. The as-spun nanofibers were hot-stretched in an oven to enhance its orientation and crystallinity. Then it were stabilized at 250 square under a stretched stress, and carbonized at 1000 square in N-2 atmosphere by fixing the length of the stabilized nanofiber to convert them into carbon nanofibers. With this hot-stretched process and with the introduction of SWNTs, the mechanical properties will be enhanced correspondingly. The crystallinity of the stretched fibers confirmed by X-ray diffraction has also increased. For PAN nanofibers, the improved fiber alignment and crystallinity resulted in the increased mechanical properties, such as the modulus and tensile strength of the nanofibers. It was concluded that the hot-stretched nanofiber and the SWNTs/PAN nanofibers can be used as a potential precursor to produce high-performance carbon composites.

Impact and interest:

2 citations in Scopus
Search Google Scholar™
2 citations in Web of Science®

Citation countsare sourced monthly from Scopus and Web of Science® citation databases.

These databases contain citations from different subsets of available publications and different time periods and thus the citation count from each is usually different. Some works are not in either database and no count is displayed. Scopus includes citations from articles published in 1996 onwards, and Web of Science® generally from 1980 onwards.

Citations counts from the Google Scholar™ indexing service can be viewed at the linked Google Scholar™ search.

ID Code: 25871
Item Type: Journal Article
Additional URLs:
Keywords: nanofiber, electrospinning, polyacrylonitrile, orientation
DOI: 10.1142/S0217979208051364
ISSN: 0217-9792
Subjects: Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > PHYSICAL CHEMISTRY (INCL. STRUCTURAL) (030600)
Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > MACROMOLECULAR AND MATERIALS CHEMISTRY (030300)
Divisions: Past > QUT Faculties & Divisions > Faculty of Science and Technology
Past > Institutes > Institute for Sustainable Resources
Past > Schools > School of Physical & Chemical Sciences
Copyright Owner: Copyright 2008 World Scientific Publishing Company
Deposited On: 23 Jun 2009 10:40
Last Modified: 01 Mar 2012 00:31

Export: EndNote | Dublin Core | BibTeX

Repository Staff Only: item control page