Effects of boron on microstructure in cast zirconium alloys

Dargusch, M. S., Bermingham, M. J., McDonald, S. D. and St John, D. H. (2010) Effects of boron on microstructure in cast zirconium alloys. Journal of Materials Research, 25 9: 1695-1700. doi:10.1557/JMR.2010.0233

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Author Dargusch, M. S.
Bermingham, M. J.
McDonald, S. D.
St John, D. H.
Title Effects of boron on microstructure in cast zirconium alloys
Journal name Journal of Materials Research   Check publisher's open access policy
ISSN 0884-2914
Publication date 2010-09
Sub-type Article (original research)
DOI 10.1557/JMR.2010.0233
Volume 25
Issue 9
Start page 1695
End page 1700
Total pages 6
Editor Gary L. Messing
Place of publication New York, N.Y., U. S. A.
Publisher Cambridge University Press
Collection year 2011
Language eng
Formatted abstract
Trace additions of boron to cast zirconium result in significant microstructural changes similar to those observed with additions of boron to titanium alloys. These changes include the promotion of dendritic growth and a refinement in both the prior ß and a grain size. The refinement of the prior ß grain size is explained using a model of grain refinement in association with values calculated from the binary Zr–B phase diagram. It is proposed that the refinement of the a phase occurs through a combination of increased nucleation and altered diffusion mechanisms during cooling through the ß transus.
Keyword Grain refinement
Titanium alloys
Thermaodynamic calculation
Nucleant particles
ZR System
FE-ZR
Evolution
Hafnium
Potency
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Mechanical & Mining Engineering Publications
Official 2011 Collection
 
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Citation counts: TR Web of Science Citation Count  Cited 11 times in Thomson Reuters Web of Science Article | Citations
Scopus Citation Count Cited 10 times in Scopus Article | Citations
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Created: Sun, 19 Sep 2010, 00:04:19 EST