Novel long-period stacking-ordered structure of martensite in zirconium-cobalt-palladium alloys

A novel long-period stacking-ordered (LPSO) structure of a martensitic phase in a Zr-Co-Pd alloy was discovered and characterized by means of conventional transmission electron microscopy and high-angle annular dark-field scanning transmission electron microscopy. The new phase had a 6O structure an...

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Published inPhilosophical magazine letters Vol. 95; no. 1; pp. 21 - 29
Main Authors Matsuda, M., Tanaka, F., Tsurekawa, S., Takashima, K., Mitsuhara, M., Nishida, M.
Format Journal Article
LanguageEnglish
Published Abingdon Taylor & Francis 02.01.2015
Taylor & Francis Ltd
Subjects
Alloys
Annular
Cobalt
Formations
high-angle annular dark-field scanning transmission electron microscopy
Lattice parameters
long-period stacking-ordered structure
Martensite
martensitic phase transformation
Scanning electron microscopy
Scanning transmission electron microscopy
Stainless steel
Transmission electron microscopy
Zirconium
Zirconium base alloys
zirconium-cobalt-palladium alloy
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Summary:A novel long-period stacking-ordered (LPSO) structure of a martensitic phase in a Zr-Co-Pd alloy was discovered and characterized by means of conventional transmission electron microscopy and high-angle annular dark-field scanning transmission electron microscopy. The new phase had a 6O structure and its lattice parameters were estimated to be a = 0.34, b = 0.45 and c = 1.53 nm. The formation mechanism and the space group of the LPSO structure are described.
Bibliography:ObjectType-Article-1
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ISSN:0950-0839
1362-3036
DOI:10.1080/09500839.2014.995739