Investigation of processing conditions of melded parts to determine process boundaries

Corbett, Tim, Forrest, Mark and Fox, Bronwyn 2007, Investigation of processing conditions of melded parts to determine process boundaries, Materials & manufacturing processes, vol. 22, no. 6, pp. 777-781.


Title Investigation of processing conditions of melded parts to determine process boundaries
Author(s) Corbett, Tim
Forrest, Mark
Fox, Bronwyn
Journal name Materials & manufacturing processes
Volume number 22
Issue number 6
Start page 777
End page 781
Publisher Taylor & Francis
Place of publication London, England
Publication date 2007-08
ISSN 1042-6914
1532-2475
Keyword(s) DCB
degree of cure
ENF
hexply 914
joining
melding
short beam shear
thermosetting composites
transition zone
Summary Melding, a novel method for producing seamless joints in thermosetting composites utilising the Quickstep™ process, is explored in this paper. The effect of processing conditions on the quality of melded joins is examined and a set of processing boundaries defined so that the strength of melded joints is optimized. HexPly® 914c pre-preg material was exposed to a range of processing temperatures prior to joining via the melding process. Differential Scanning Calorimetry analysis was carried out to investigate the degree of cure of material prior to final joining, and it was found that minimal cure occurs at temperatures below 120°C. After consolidation and cure of the melded parts, short beam shear testing was conducted to evaluate the strength of the melded interface. Exposure temperatures between 65°C and 120°C were found to optimize short beam shear join strength. Mode I double cantilever beam and mode II end notched flexural tests showed no detrimental effect of elevated exposure temperatures prior to joining.
Language eng
Field of Research 091202 Composite and Hybrid Materials
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2007, Taylor & Francis Group, LLC
Persistent URL http://hdl.handle.net/10536/DRO/DU:30007174

Document type: Journal Article
Collection: Centre for Material and Fibre Innovation
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