Abstract
The process-induced voids during resistance welding of glass fabric-reinforced polyetherimide was investigated. The mechanisms of void formation in adherends, in particular, the residual volatile-induced voids and the fibre de-compaction-induced voids, were analysed. Due to the non-uniform temperature and stress distributions in the joints during welding, a non-uniform void distribution was observed in the joints with more voids generated in the middle of the joints than at the edges. Welding temperature and pressure were shown to have a large influence on void formation. Increasing of welding pressure was shown to effectively reduce the voids, while the residual moisture-induced voids were found more difficult to be eliminated than the fibre de-compaction-induced voids
Original language | English |
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Pages (from-to) | 1654-1674 |
Number of pages | 21 |
Journal | Journal of Thermoplastic Composite Materials |
Volume | 30 |
Issue number | 12 |
DOIs | |
Publication status | Published - 2016 |
Bibliographical note
prKeywords
- Thermoplastic
- composites
- resistance welding
- voids
- polyetherimide