Li, Nanya, Li, Yingguang, Hao, Xiaozhong and Gao, James ORCID: 0000-0001-5625-3654 (2015) A comparative experiment for the analysis of microwave and thermal process induced strains of carbon fiber/bismaleimide composite materials. Composites Science and Technology, 106. pp. 15-19. ISSN 0266-3538 (doi:https://doi.org/10.1016/j.compscitech.2014.10.008)

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Abstract

Carbon fiber reinforced bismaleimide composites provide many outstanding properties and are widely used in aerospace applications. However, cure-induced strains are present in virtually all composites that severely impact on the whole service lifecycle of composite components. This paper will demonstrate that the cure-induced strains can be drastically reduced in fiber/ bismaleimide composites using the microwave curing process. Nearly 95% reduction of cure-induced strains has been achieved compared with the conventional thermal heating process. The microwave manufacturing cycle for composites was only 36% of the thermal processing cycle. When using the microwave process, the spring-in angle of an L-shaped part was reduced by about 1.2°Compared by using thermal heating.

Item Type:	Article
Additional Information:	This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.
Uncontrolled Keywords:	residual stress, microwave processing, polymer-matrix composites (PMCs)
Subjects:	T Technology > TL Motor vehicles. Aeronautics. Astronautics T Technology > TS Manufactures
Faculty / School / Research Centre / Research Group:	Faculty of Engineering & Science Faculty of Engineering & Science > Centre for Innovative & Smart Infrastructure
Last Modified:	02 Nov 2016 14:53
URI:	http://gala.gre.ac.uk/id/eprint/12299

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