Effect of the substrate and interface on micro-scratch deformation of epoxy-polyester powder coatings |
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| Authors: | M. Barletta S. VescoF. Trovalusci |
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| Affiliation: | Università di Roma Tor Vergata, Dipartimento di Ingegneria Meccanica, Via del Politecnico, 1 – 00133 Roma, Italy |
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| Abstract: | The role of the interface on the deformation response in scratch tests of epoxy-polyester films deposited by electrostatic spraying is investigated. A comparative study of the scratch deformation behaviour of films deposited on micro- and macro-corrugated rigid substrates and on ‘soft’ silicon sub-layers is made. Scratch deformation parameters were evaluated by contact gauge inductive profilometry, whilst morphological examinations of the residual scratch patterns were performed by electron microscopy. |
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| Keywords: | Powder coatings Epoxy-polyester Scratch resistance Deformation response Interface |
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