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Crystalline structure of SmCo5 based alloys
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering.ORCID iD: 0000-0003-4889-4210
2009 (English)In: METAL 2009 - 18th International Conference on Metallurgy and Materials, Conference Proceedings, 2009, 394-400 p.Conference paper, Published paper (Refereed)
Abstract [en]

Microstructure and crystalline structure of SmCo5 based alloys after various heat treatments were studied using X-ray diffraction and metallographic methods. It was established that complicated microstructure of hyperstoichiometric alloys forms in nonequilibrium conditions during crystallization of the ingots and the subsequent cooling to room temperature. XRD study of the lattice parameters of SmCo5 phase in as-cast SmCo5 based alloys after different heat treatments shows evidence of the Sm enrichment of the SmCo5 phase. The behavior of the lattice parameters of SmCo5 phase in Sm-rich alloys when subjected to aging between 1220°C and 700°C can be related to the phase transformation of SmCo5 into SmCo5-x phases.

Place, publisher, year, edition, pages
2009. 394-400 p.
Keyword [en]
Crystalline structure, Microstructure, X-ray diffraction, Crystalline materials, Heat treatment, Lattice constants, Metal castings, X ray diffraction, As-cast, Metallographic method, Nonequilibrium conditions, Room temperature, Subsequent cooling, XRD studies, Alloys
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:kth:diva-167676Scopus ID: 2-s2.0-84923887244ISBN: 9788087294109 (print)OAI: oai:DiVA.org:kth-167676DiVA: diva2:816273
Conference
18th International Conference on Metallurgy and Materials, METAL 2009, Cerveny Zamek Hradec Nad Moravici, Czech Republic, 19-21 May 2009
Note

QC 20150603

Available from: 2015-06-03 Created: 2015-05-22 Last updated: 2015-06-03Bibliographically approved

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Belova, Lyubov M.

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