NDLI: Development of Through-Thickness Reinforcement in Advanced Composites Incorporating Rigid Cellular Foams

Content Provider	Springer Nature Link
Author	Aktas, A. Potluri, P. Porat, I.
Copyright Year	2012
Abstract	This paper presents a method of joining carbon-fibre plies and rigid cellular foam core with stitching for producing light-weight composite structures. After resin infusion and consolidation, the stitched sandwich panel exhibits superior damage tolerance as well as improved transverse properties due to the presence of through-thickness fibre reinforcement. First part of the paper deals with the conceptual development of a multi-needle stitching machine for rigid foams. A needle penetration model for computing the penetration forces has been reported—there is a good agreement between the experimental and theoretical penetration force-displacement curves. A number of sandwich panels with orthogonal and bias stitch orientations have been developed and examined for stitch quality with the aid of X-ray tomography. The paper also presents results from quasi-static indentation, three-point bending and transverse compression tests, on both the stitched and unstitched sandwich panels.
Starting Page	553
Ending Page	568
Page Count	16
File Format	PDF
ISSN	0929189X
Journal	Applied Composite Materials
Volume Number	20
Issue Number	4
e-ISSN	15734897
Language	English
Publisher	Springer Netherlands
Publisher Date	2012-08-16
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Multi-needle stitching Rigid foam Sandwich structures Through-thickness Damage tolerance Characterization and Evaluation of Materials Mechanics Polymer Sciences Industrial Chemistry/Chemical Engineering
Content Type	Text
Resource Type	Article
Subject	Ceramics and Composites

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