Experimental Study on the Electromagnetic Forming Behavior of Pre-Painted Al 99.0 Sheet.
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| Title: | Experimental Study on the Electromagnetic Forming Behavior of Pre-Painted Al 99.0 Sheet. |
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| Authors: | Luca, Dorin, Șchiopu, Vasile, Luca, Dorian D. |
| Source: | Journal of Manufacturing & Materials Processing; Aug2025, Vol. 9 Issue 8, p259, 16p |
| Subject Terms: | SURFACE coatings, ALUMINUM sheets, ELECTROMAGNETIC induction, FABRICATION (Manufacturing), COATING processes, MATERIAL plasticity, SCANNING electron microscopy, METALLIC surfaces |
| Abstract: | Development of forming methods for surface-coated metals is a current concern due to their economic and environmental advantages. For a successful forming operation, it is necessary that both components, the substrate and the coating, are able to withstand stress without damage until the final shape and dimensions are reached. This goal can be achieved through good knowledge of the elastic and plastic properties of the substrate and the coating, the compatibility between them, the appropriate surface treatment, and the rigorous control of technological forming parameters. Our study was carried out with flat specimens of pre-painted Al 99.0 sheet that were electromagnetically formed by bulging. Forming behavior was investigated as depending on the initial thickness of the substrate, on the aluminum sheet pretreatment, as well as on the plastic deformation path of the metal–paint structure. To verify the damage to the paint layer, tests with increasing strains were performed, and the interface between the metal and the coating layer was investigated by scanning electron microscopy. The obtained results indicate that electromagnetic forming of pre-painted sheets can be a feasible method for specific applications if the forming degree of the substrate is tightly correlated with the type of desired coating and with the pretreatment method used for the metal surface. [ABSTRACT FROM AUTHOR] |
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| Database: | Complementary Index |
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