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http://hdl.handle.net/10174/32975
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Title: | Resistance welding of carbon fibre reinforced PEKK by means of CNT webs |
Authors: | Russello, Massimiliano Catalanotti, Giuseppe Hawkins, Stephen Falzon, Brian G |
Issue Date: | 2022 |
Abstract: | Single lap shear specimens were manufactured using resistance welding of carbon fibre reinforced substrates by means of CNT web-based heating elements. Heating elements were manufactured by embedding the CNT web layers between layers of PEKK/glass fibre and connecting them to copper electrodes. An experimental campaign explored their electrothermal behaviour influencing the welding process. Single lap shear specimens were then welded at a pressure of 0.05 MPa and different levels of power and duration. An optimum bond was obtained with a specific power of 80–90 kW/m2 and a time of 150 s, achieving a shear strength of 30 MPa. Post-mortem analysis revealed that fracture propagated within the substrates. This work represents a further step in the integration of CNT web-based heating elements in an industrial welding process. |
URI: | https://doi.org/10.1177/00219983221138952 http://hdl.handle.net/10174/32975 |
Type: | article |
Appears in Collections: | DEM - Publicações - Artigos em Revistas Internacionais Com Arbitragem Científica
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