Abstract
AbstractA study to investigate fusion bonding (welding) of AS4 graphite/polyetheretherketone (PEEK) thermoplastic composites is presented. Processing studies are conducted for resistance welding preconsolidated AS4/PEEK laminates in both unidirectional and quasi‐isotropic configurations using PEEK and polyetherimide (PEI) film at the joint interface. All bonding was done under a constant displacement process. The influence of processing time, initially applied consolidation pressure, and the rate of heat generation on weld performance is examined through lap shear and Mode I interlaminar fracture toughness testing. A rapid increase in strength with processing time that asymptotically approaches the compression molded baseline is measured. Weld times for quasi‐isotropic lap shear coupons are significantly shorter than those with a unidirectional lay‐up. Variation of the initially applied consolidation pressure is shown to have little influence on the lap shear strength of PEEK film welded lap joints. A discussion of the mechanisms allowing void formation during the welding process is given. Bond strength test results are correlated with ultrasonic C‐scans of the weld regions.
References
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Dates
Type | When |
---|---|
Created | 20 years, 7 months ago (Dec. 30, 2004, 4:28 p.m.) |
Deposited | 1 year, 10 months ago (Oct. 23, 2023, 12:55 p.m.) |
Indexed | 2 months, 2 weeks ago (June 9, 2025, 11:44 a.m.) |
Issued | 33 years, 3 months ago (May 1, 1992) |
Published | 33 years, 3 months ago (May 1, 1992) |
Published Online | 20 years, 11 months ago (Aug. 26, 2004) |
Published Print | 33 years, 3 months ago (May 1, 1992) |
@article{Don_1992, title={Experimental characterization of processing‐performance relationships of resistance welded graphite/polyetheretherketone composite joints}, volume={32}, ISSN={1548-2634}, url={http://dx.doi.org/10.1002/pen.760320908}, DOI={10.1002/pen.760320908}, number={9}, journal={Polymer Engineering & Science}, publisher={Wiley}, author={Don, Roderic C. and Gillespie, John W. and Lambing, Cynthia L. T.}, year={1992}, month=may, pages={620–631} }