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Surface oxide devel...
Surface oxide development on aluminum alloy 6063 during heat treatment
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- Rullik, Lisa (författare)
- Lund University,Lunds universitet,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Lunds Tekniska Högskola,Synkrotronljusfysik,Fysiska institutionen,Institutioner vid LTH,Other operations, LTH,Faculty of Engineering, LTH,Synchrotron Radiation Research,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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- Evertsson, Jonas (författare)
- Lund University,Lunds universitet,Synkrotronljusfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Synchrotron Radiation Research,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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- Johansson, Niclas (författare)
- Lund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory
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- Bertram, Florian (författare)
- German Electron Synchrotron (DESY)
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- Nilsson, Jan Olov (författare)
- Hydro Extruded Solutions AB
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- Zakharov, Alexei A. (författare)
- Lund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory
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- Mikkelsen, Anders (författare)
- Lund University,Lunds universitet,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Lunds Tekniska Högskola,Synkrotronljusfysik,Fysiska institutionen,Institutioner vid LTH,Other operations, LTH,Faculty of Engineering, LTH,Synchrotron Radiation Research,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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- Lundgren, Edvin (författare)
- Lund University,Lunds universitet,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Lunds Tekniska Högskola,Synkrotronljusfysik,Fysiska institutionen,Institutioner vid LTH,Other operations, LTH,Faculty of Engineering, LTH,Synchrotron Radiation Research,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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(creator_code:org_t)
- 2019-02-20
- 2019
- Engelska.
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Ingår i: Surface and Interface Analysis. - : Wiley. - 0142-2421 .- 1096-9918. ; 51:12, s. 1214-1224
- Relaterad länk:
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http://dx.doi.org/10...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- We report on the influence of oxygen partial pressure for the development of surface oxides covering the industrial aluminum alloy standard 6063 at temperatures ranging from room temperature to 500° C. Using an array of synchrotron-based techniques, we followed the change in oxide thickness, chemical composition, and the lateral distribution of alloying elements. The impact of the oxygen chemical potential is most visible at high temperatures where the oxide composition changes from mostly Al based to mostly Mg based. This is in stark contrast to the ultra-high vacuum (UHV) conditions where only a partial compositional transition is observed. The microscopy data demonstrate that in the UHV case, Mg segregation onto the surface occurs firstly at grain boundaries at 300° C and secondly at sites over the entire surface at 400° C. Further, the initial oxide thickness is 45 Å, as determined by XPS and XRR, decreases in all observed cases after heating to 300° C. At higher temperatures, however, the oxygen partial pressure highly influences the resulting oxide thickness as evident from our X-ray reflectivity data.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Metallurgi och metalliska material (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Metallurgy and Metallic Materials (hsv//eng)
Nyckelord
- AA 6063
- aluminum silicon magnesium alloy
- heat treatment
- surface oxide
- XPEEM
- XPS
- XRR
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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