Preparation of Textured Surfaces on Aluminum-Alloy Substrates
| Autor: | Markéta Kadlečková, Antonín Minařík, Petr Smolka, Aleš Mráček, Erik Wrzecionko, Libor Novák, Lenka Musilová, Radek Gajdošík |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2018 |
| Předmět: |
aluminum
alloy duralumin etching surface texture porous-like adhesive bonding superhydrophobic Technology Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85 |
| Zdroj: | Materials, Vol 12, Iss 1, p 109 (2018) |
| Druh dokumentu: | article |
| ISSN: | 1996-1944 |
| DOI: | 10.3390/ma12010109 |
| Popis: | The ways of producing porous-like textured surfaces with chemical etching on aluminum-alloy substrates were studied. The most appropriate etchants, their combination, temperature, and etching time period were explored. The influence of a specifically textured surface on adhesive joints’ strength or superhydrophobic properties was evaluated. The samples were examined with scanning electron microscopy, profilometry, atomic force microscopy, goniometry, and tensile testing. It was found that, with the multistep etching process, the substrate can be effectively modified and textured to the same morphology, regardless of the initial surface roughness. By selecting proper etchants and their sequence one can prepare new types of highly adhesive or even superhydrophobic surfaces. |
| Databáze: | Directory of Open Access Journals |
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