The influence of Nb and Zr on glass-formation ability in the ternary Fe-Nb-B and Fe-Zr-B and quaternary Fe-(Nb,Zr)-B alloy systems

J. H. Yao; H. Yang; J. Zhang; J. Q. Wang; Y. Li

doi:10.1557/jmr.2008.0055

The influence of Nb and Zr on glass-formation ability in the ternary Fe-Nb-B and Fe-Zr-B and quaternary Fe-(Nb,Zr)-B alloy systems

J. H. Yao
, H. Yang
, J. Zhang
, J. Q. Wang^*
, Y. Li

^*Corresponding author for this work

CAS - Institute of Metal Research
National University of Singapore

Research output: Contribution to journal › Article › peer-review

31 Scopus citations

Abstract

Glass-forming ability (GFA) in relation to microstructure evolution in the ternary Fe-Nb-B and Fe-Zr-B and quaternary Fe-(Nb,Zr)-B systems was systematically studied in a three-dimensional composition space. Through navigating, it was revealed that alloys with the optimum glass-forming ability (GFA) are coupled with composition regions surrounded by competing crystalline phases. Alloys Fe₇₁Nb₆ B₂₃, Fe₇₇Zr₄B₁₉ and Fe₇₁(Nb_0.8Zr_0.2)₆ B₂₃ were illustrated to be the best glass formers in the ternary Fe-Nb-B and Fe-Zr-B systems and the quartenary Fe-(Nb,Zr)-B system, respectively, with a critical size for amorphous formation up to 2 mm. They were compared with the theoretical predictions on the basis of an efficient dense-packing model, and good agreements were obtained.

Original language	English
Pages (from-to)	392-401
Number of pages	10
Journal	Journal of Materials Research
Volume	23
Issue number	2
DOIs	https://doi.org/10.1557/jmr.2008.0055
State	Published - Feb 2008
Externally published	Yes

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title = "The influence of Nb and Zr on glass-formation ability in the ternary Fe-Nb-B and Fe-Zr-B and quaternary Fe-(Nb,Zr)-B alloy systems",

abstract = "Glass-forming ability (GFA) in relation to microstructure evolution in the ternary Fe-Nb-B and Fe-Zr-B and quaternary Fe-(Nb,Zr)-B systems was systematically studied in a three-dimensional composition space. Through navigating, it was revealed that alloys with the optimum glass-forming ability (GFA) are coupled with composition regions surrounded by competing crystalline phases. Alloys Fe71Nb6 B23, Fe77Zr4B19 and Fe71(Nb0.8Zr0.2)6 B23 were illustrated to be the best glass formers in the ternary Fe-Nb-B and Fe-Zr-B systems and the quartenary Fe-(Nb,Zr)-B system, respectively, with a critical size for amorphous formation up to 2 mm. They were compared with the theoretical predictions on the basis of an efficient dense-packing model, and good agreements were obtained.",

author = "Yao, \{J. H.\} and H. Yang and J. Zhang and Wang, \{J. Q.\} and Y. Li",

year = "2008",

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AU - Yao, J. H.

AU - Yang, H.

AU - Zhang, J.

AU - Wang, J. Q.

AU - Li, Y.

PY - 2008/2

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AB - Glass-forming ability (GFA) in relation to microstructure evolution in the ternary Fe-Nb-B and Fe-Zr-B and quaternary Fe-(Nb,Zr)-B systems was systematically studied in a three-dimensional composition space. Through navigating, it was revealed that alloys with the optimum glass-forming ability (GFA) are coupled with composition regions surrounded by competing crystalline phases. Alloys Fe71Nb6 B23, Fe77Zr4B19 and Fe71(Nb0.8Zr0.2)6 B23 were illustrated to be the best glass formers in the ternary Fe-Nb-B and Fe-Zr-B systems and the quartenary Fe-(Nb,Zr)-B system, respectively, with a critical size for amorphous formation up to 2 mm. They were compared with the theoretical predictions on the basis of an efficient dense-packing model, and good agreements were obtained.

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The influence of Nb and Zr on glass-formation ability in the ternary Fe-Nb-B and Fe-Zr-B and quaternary Fe-(Nb,Zr)-B alloy systems

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