NDLI: Solidification microstructure selection of the peritectic Nd-Fe-B alloys

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Solidification microstructure selection of the peritectic Nd-Fe-B alloys

Content Provider	Paperity
Author	Liu, Lin Lü, Haiyan Zhong, Hong Li, Shuangming Fu, Hengzhi Zou, Guangrong
Abstract	Bridgman directional solidification and laser remelting experiments were carried out on Nd11.76Fe82.36B5.88 and Nd13.5Fe79.75B6.75 alloys. Microstructure evolutions along with solidification parameters (temperature gradient G, growth velocity V and initial alloy composition C 0) were investigated. A solidification microstructure selection map was established, based on the consideration of solidification characteristics of peritectic T1 phase. In Bridgman directional solidification experiments, with the increasing growth velocities, the morphology of T1 phase changed from plane front or faceted plane front to dendrites. In laser remelting experiments, a transition from primary γ-Fe dendrites to T1 dendrites was found. Theoretical predictions are in good agreement with experimental results.
Starting Page	432
Ending Page	441
File Format	HTM / HTML
ISSN	16747348
DOI	10.1007/s11433-007-0041-y
Issue Number	4
Journal	Science China Physics, Mechanics & Astronomy
Volume Number	50
e-ISSN	18691927
Language	English
Publisher	Science China Press
Publisher Date	2007-08-01
Access Restriction	Open
Subject Keyword	Peritectic alloy Directional solidification Microstructure selection
Content Type	Text
Resource Type	Article
Subject	Physics and Astronomy

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