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Journal of applied research and technology
versão On-line ISSN 2448-6736versão impressa ISSN 1665-6423
Resumo
SERRANO PEREZ, Javier; JUAREZ LOPEZ, Fernando e SERRANO PEREZ, Edgar. Alumina layer using low-cost direct liquid injection metal organic chemical vapor deposition (DLI-MOCVD) on AISI 1018 steel. J. appl. res. technol [online]. 2020, vol.18, n.3, pp.161-168. Epub 30-Jul-2021. ISSN 2448-6736. https://doi.org/10.22201/icat.24486736e.2020.18.3.1086.
Amorphous alumina layers were deposited on low carbon steel (AISI 1018) substrates by the direct liquid injection metal organic chemical vapor deposition (DLI-MOCVD) technique. For the DLI-MOCVD technique, two temperatures were used: a vaporization chamber temperature of 180 °C and a reaction chamber temperature of 370 °C. Liquid precursor aluminum tri-sec-butoxide was introduced in form of atomized liquid, each pulse of 1 Hz frequency and 3 ms opening time, the solution was pressurized at 40 psi under inert Argon atmosphere. 200 sccm of Argon were used as continuous carrier gas during all the deposition process. Microscopy and XRD techniques were used to characterize the deposited material. The thickness of the alumina coatings was of 100 µm, approximately.
Palavras-chave : MOC-CVD; direct liquid injection; alumina.
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