Phase transformation of Mg-Fe alloys

Phase transformation of Mg-Fe alloys

An Mg-Fe alloy system prepared through mechanical alloying (MA) was structurally analyzed. MA can produce single-phase bcc alloys using Mg concentrations up to about 15   mol % . Use of conventional average structure analysis and x-ray pair-distribution function method enabled the long-range and sho...

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Veröffentlicht in:Journal of applied physics 2010-05, Vol.107 (9), p.093505-093505-6
Hauptverfasser: Yoneda, Yasuhiro, Abe, Hiroshi, Ohshima, Takeshi, Uchida, Hirohisa
Format: Artikel
Sprache:eng
Schlagworte:
ALLOY SYSTEMS
ALLOYS
AUSTENITIC STEELS
BCC LATTICES
CARBON ADDITIONS
CONCENTRATION RATIO
CRYSTAL LATTICES
CRYSTAL STRUCTURE
CUBIC LATTICES
DIMENSIONLESS NUMBERS
DISTRIBUTION FUNCTIONS
FUNCTIONS
IRON ALLOYS
IRON BASE ALLOYS
MAGNESIUM ALLOYS
MARTENSITIC STEELS
MATERIALS SCIENCE
ORTHORHOMBIC LATTICES
PHASE TRANSFORMATIONS
STEELS
TRANSITION ELEMENT ALLOYS
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Zusammenfassung:An Mg-Fe alloy system prepared through mechanical alloying (MA) was structurally analyzed. MA can produce single-phase bcc alloys using Mg concentrations up to about 15   mol % . Use of conventional average structure analysis and x-ray pair-distribution function method enabled the long-range and short-range order structures of the Mg-Fe alloys to be bridged. The substituted Mg atoms were randomly arranged in the low-Mg composition but started to have an order structure. The partially ordered Mg-Fe alloy undergoes an austenitic (cubic) to martensitic (orthorhombic) phase change, as increasing Mg composition.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.3402498