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Conductive films of silver nanoparticles as novel susceptors for induction welding of thermoplastic composites
| Content Provider | Scilit |
|---|---|
| Author | Farahani, Rouhollah Dermanaki Janier, Mathieu Dubé, Martine |
| Copyright Year | 2018 |
| Description | Journal: Nanotechnology In the present work, a conductive film of silver nanoparticles (nAg) as a novel heating element type, called susceptor was developed and tested for induction welding of carbon fiber/polyphenylene sulfide (CF/PPS) thermoplastic composites, i.e., unidirectional pre-impregnated16 plies of CF/PPS compression-molded in a quasi-isotropic stacking sequence. The nAg were synthesized, dispersed in deionized (DI) water and casted onto a pure PPS film, resulting in a conductive film upon the evaporation of DI water and thermal post-annealing. The thermal annealing at 250 ºC significantly (by 7 orders) decreased the film's electrical resistivity from 9.4 × 103 Ω.cm down to 3.1 × 10-4 Ω.cm. The new susceptors led to fast heating rates in induction welding when compared to the standard stainless steel mesh susceptors under similar welding conditions. Lap shear mechanical testing revealed that the apparent lap shear strength (LSS) is sensitive to the susceptors' resistivity and the input current. A relatively high LSS value was achieved for the specimens welded using the new susceptors which exceeded the value of those welded using stainless steel mesh susceptors (28.3 MPa compared to 20 MPa). The weld interface and specimens' cross-section observation revealed that the nAg were dispersed and embedded into the resin upon welding. This study contains preliminary results that show high potential of nanoparticles as effective susceptors to further improve the mechanical performance of the joints in welding of thermoplastic composites. |
| Related Links | http://iopscience.iop.org/article/10.1088/1361-6528/aaa93c/pdf |
| ISSN | 09574484 |
| e-ISSN | 13616528 |
| DOI | 10.1088/1361-6528/aaa93c |
| Journal | Nanotechnology |
| Issue Number | 12 |
| Volume Number | 29 |
| Language | English |
| Publisher | IOP Publishing |
| Publisher Date | 2018-01-19 |
| Access Restriction | Open |
| Subject Keyword | Journal: Nanotechnology Composite Materials Induction Welding Lap Shear Mechanical Strength Silver Nanoparticles Thermoplastic Composites |
| Content Type | Text |
| Resource Type | Article |
| Subject | Chemistry Nanoscience and Nanotechnology Mechanics of Materials Mechanical Engineering Bioengineering Electrical and Electronic Engineering |
