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- Qadeer, Muhammad I.KTH,Materialvetenskap (author)
Anomalous high temperature oxidation of Sm 2(Fe,Co,Cu,Zr) 17 particles
- Article/chapterEnglish2012
Publisher, publication year, extent ...
- Elsevier BV,2012
- printrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:kth-104931
- https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-104931URI
- https://doi.org/10.1016/j.corsci.2012.08.049DOI
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- Language:English
- Summary in:English
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- SwePubSwePub
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Notes
- QC 20121115
- Sm 2Co 17 alloys are attractive as high temperature permanent magnets; however their magnetic properties are prone to degrade by oxidation. The oxidation mechanism is not clearly understood, and inconsistent results are reported in the literature.This work correlates the oxidation of Sm 2(Co,Fe,Cu,Zr) 17 with microstructural and microchemical changes as a consequence of chemical reaction of alloy particles with their environment at high temperature. Thermogravimetric analysis suggests a change in oxidation mechanism occurs at 550°C. Energy dispersive X-ray spectroscopy suggests this is related to the loss of Sm by sublimation.
Subject headings and genre
- TEKNIK OCH TEKNOLOGIER Kemiteknik Korrosionsteknik hsv//swe
- ENGINEERING AND TECHNOLOGY Chemical Engineering Corrosion Engineering hsv//eng
- Intermetallic phases
- Oxidation
- Permanent magnets
- Sm 2Co 17
Added entries (persons, corporate bodies, meetings, titles ...)
- Azhdar, BruskaKTH,Fiber- och polymerteknologi(Swepub:kth)u1kombby (author)
- Hedenqvist, Mikael S.KTH,Fiber- och polymerteknologi(Swepub:kth)u10rkaxe (author)
- Savage, S. J. (author)
- KTHMaterialvetenskap (creator_code:org_t)
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- In:Corrosion Science: Elsevier BV65, s. 453-4600010-938X1879-0496
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