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Title: Synergistic stabilization of metastable Fe23B6 and γ-Fe in undercooled Fe83B17

Journal Article · · Applied Physics Letters
DOI:https://doi.org/10.1063/1.4922802· OSTI ID:1186931
 [1];  [1];  [2];  [2]
  1. Iowa State Univ., Ames, IA (United States)
  2. Ames Lab., and Iowa State Univ., Ames, IA (United States)

Previous investigations of undercooled liquid Fe83B17 near the eutectic composition have found that metastable crystalline phases, such as Fe23B6, can be formed and persist down to ambient temperature even for rather modest cooling rates. Using time-resolved high-energy x-ray diffraction on electrostatically levitated samples of Fe83B17, we demonstrate that the Fe23B6 metastable phase and fcc γ-Fe grow coherently from the undercooled Fe83B17 liquid and effectively suppress the formation of the equilibrium Fe2B + bcc α-Fe phases. Here, the stabilization of γ-Fe offers another opportunity for experimental investigations of magnetism in metastable fcc iron.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Organization:
National Science Foundation (NSF)
Grant/Contract Number:
DMR-1308099
OSTI ID:
1186931
Journal Information:
Applied Physics Letters, Vol. 106, Issue 24; ISSN 0003-6951
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
ENGLISH
Citation Metrics:
Cited by: 20 works
Citation information provided by
Web of Science

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Cited By (2)

Determination of the thermophysical properties of liquid and solid Ti–6Al–4V alloy journal March 2016
Characterization of eutectic borides formed during solidification of borated stainless steel 304B4 journal August 2019

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