2010
DOI: 10.1016/j.surfcoat.2010.08.059
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Influence of process parameters on electrolytic plasma discharging behaviour and aluminum oxide coating microstructure

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Cited by 176 publications
(102 citation statements)
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References 26 publications
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“…Segundo Gupta et al(2007), esferoides e poros são típicos de PEO. Poros são originados pelas descargas elétricas (HUSSEIN et al, 2010). De acordo com (SANTOS et al, 2000), coalescência é um fenômeno da alumina que só ocorre em altas temperaturas.…”
Section: Microscopia Eletrônica De Varredura (Mev) E Espectroscopia Dunclassified
See 1 more Smart Citation
“…Segundo Gupta et al(2007), esferoides e poros são típicos de PEO. Poros são originados pelas descargas elétricas (HUSSEIN et al, 2010). De acordo com (SANTOS et al, 2000), coalescência é um fenômeno da alumina que só ocorre em altas temperaturas.…”
Section: Microscopia Eletrônica De Varredura (Mev) E Espectroscopia Dunclassified
“…Segundo Hussein et al (2010), a temperatura atingida no processo de plasma eletrolítico é suficiente para a formação da estrutura e o PEO é bastante utilizado para a obtenção desse tipo de revestimento (DEHNAVI et al, 2014). Dehnavi et al (2014) produziram revestimentos em substrato de alumínio com silicatos por PEO e as temperaturas que chegam são suficientes para formação de alumina alfa e gama.…”
Section: Difração De Raios-x (Drx)unclassified
“…Hussein et al [27] studied the influence of different current modes on PEO plasma discharge behaviour and alumina coating microstructure. The PEO processes were carried out on pure 1100 aluminum using two different current modes of pulsed unipolar and bipolar in the electrolyte of Na 2 SiO 3 (7 g/L) and KOH (1 g/L).…”
Section: Influence Of Electrical Parametersmentioning
confidence: 99%
“…The surface of the coating on Al-4Si alloy has a relatively smooth glassy appearance with some cracks. The molten material is carried to the coating surface through discharge channels from the inner region of the coating, contacts with cold electrolyte, solidies and covers the surface to form these smooth and glassy regions [19,20]. It is believed that due to high Si content in the coating, a glassy Si x O y structure forms on the surface of coating on Al-4Si alloy.…”
Section: Methodsmentioning
confidence: 99%