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Park, Sung Soo
Metal Alloy Design (MADe) Lab
Research Interests
  • Metals and alloys, materials properties (mechanical/physical/electrochemical/functional), biomedical implants, metals corrosion

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Microstructural evolution in twin-roll strip cast Mg-Zn-Mn-Al alloy

Cited 36 times inthomson ciCited 37 times inthomson ci
Title
Microstructural evolution in twin-roll strip cast Mg-Zn-Mn-Al alloy
Author
Park, Sung SooOh, Yoon S.Kang, Dae H.Kim, Nack J.
Keywords
Dispersoid particles; Mg alloy sheet; Microstructural evolution; Strip casting
Issue Date
200703
Publisher
ELSEVIER SCIENCE SA
Citation
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, v.448-451, no., pp.352 - 355
Abstract
A study has been made on the microstructural evolution in strip cast Mg-6 wt.% Zn-1 wt.% Mn-1 wt.% Al(ZMA611) alloy. The as-castZMA611 alloy strip shows equiaxed alpha-Mg dendritic structure throughout the thickness of the strip. Quasicrystalline phase and primary Al8Mn5 particles are formed in interdendritic region. During solution treatment at 330 degrees C, the interdendritic quasicrystal phase is rapidly replaced by equilibrium (D-phase (Mg-21(Al,Zn)(17)), which gradually disappears within a-Mg. In addition, fine secondary Al8Mn5 dispersoids precipitate from supersaturated as-strip cast alpha-Mg and these dispersoid particles act as effective nucleation sites for precipitation of MgZn2 phase during aging treatment.
URI
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DOI
http://dx.doi.org/10.1016/j.msea.2006.02.389
ISSN
0921-5093
Appears in Collections:
MSE_Journal Papers

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