Influence of anodisation on recycling of aluminium scrap

Autor:	A. I. Ijomah, M. N. C. Ijomah
Rok vydání:	2002
Předmět:	Materials science Mechanical Engineering Alloy Metallurgy chemistry.chemical_element Aluminium recycling Scrap engineering.material Condensed Matter Physics Corrosion chemistry Mechanics of Materials Aluminium engineering General Materials Science
Zdroj:	Materials Science and Technology. 18:1221-1226
ISSN:	1743-2847 0267-0836
DOI:	10.1179/026708302225005981
Popis:	The influence of anodisation on the recycling of a hitherto unknown Al-0.65Mg-0.5Cu-1.3Si-0.2Zn-0.03Fe (wt-%) scrap mixture has been fully ascertained. Aluminium scraps from aluminium processing industries (mill scrap) as well as scrap from obsolete, disused, and redundant, if not discarded, household and industrial goods were melted down and recast into predetermined shapes via the open loop recycling process. Standard spectrographic and electron optical techniques were used to ascertain the composition and structure of the said scrap entity whose corrosion and anodisation characteristics were effectively monitored and subsequently compared with the characteristic responses from superpure (99.99 wt-%) aluminium and binary Al-1.0Mg, Al-1.5Cu, Al-1.5Si, and Al-0.5Fe (wt-%) alloy standards. A characteristic linear response was generally exhibited during etching and on subsequent anodisation. However, some specimens markedly departed from the standard linear behaviour and were anomalous, a phenomenon...
Databáze:	OpenAIRE
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