Investigation of microstructure of Nd-Fe-B peritectic alloys under directional solidification

Qian He; Lin Liu; Guang Rong Zou; Shuang Ming Li; Hou Bu Li; Heng Zhi Fu

Investigation of microstructure of Nd-Fe-B peritectic alloys under directional solidification

Qian He
, Lin Liu
, Guang Rong Zou
, Shuang Ming Li
, Hou Bu Li
, Heng Zhi Fu

材料学院

Northwestern Polytechnical University Xian

科研成果: 期刊稿件 › 文章 › 同行评审

3 引用（Scopus）

摘要

The solidification microstructure of Nd_xFe_100-1.5xB_0.5x (x=10.8%, 11.76%, 13.5%) alloys are researched at the withdraw velocity ranging from 5 μm/s to 500 μm/s under directional solidification. The results indicate that the final microstructure of three compositions alloys is all primary α-Fe phase, Nd₂Fe₄B phase and Nd-rich phase. With increase of withdraw velocity, primary dendrite arm spacing of primary α-Fe phase decreases, the volume fraction of primary α-Fe phase decreases and then increases, Nd₂Fe₁₄B phase increases and then decreases.

源语言	英语
页（从-至）	17-19+44
期刊	Cailiao Gongcheng/Journal of Materials Engineering
期	6
出版状态	已出版 - 6月 2005

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title = "Investigation of microstructure of Nd-Fe-B peritectic alloys under directional solidification",

abstract = "The solidification microstructure of NdxFe100-1.5xB0.5x (x=10.8\%, 11.76\%, 13.5\%) alloys are researched at the withdraw velocity ranging from 5 μm/s to 500 μm/s under directional solidification. The results indicate that the final microstructure of three compositions alloys is all primary α-Fe phase, Nd2Fe4B phase and Nd-rich phase. With increase of withdraw velocity, primary dendrite arm spacing of primary α-Fe phase decreases, the volume fraction of primary α-Fe phase decreases and then increases, Nd2Fe14B phase increases and then decreases.",

keywords = "Directional solidification, Microstructure, Nd-Fe-B alloy, Peritectic reaction",

author = "Qian He and Lin Liu and Zou, \{Guang Rong\} and Li, \{Shuang Ming\} and Li, \{Hou Bu\} and Fu, \{Heng Zhi\}",

year = "2005",

month = jun,

language = "英语",

pages = "17--19+44",

journal = "Cailiao Gongcheng/Journal of Materials Engineering",

issn = "1001-4381",

publisher = "Science Press ",

number = "6",

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TY - JOUR

T1 - Investigation of microstructure of Nd-Fe-B peritectic alloys under directional solidification

AU - He, Qian

AU - Liu, Lin

AU - Zou, Guang Rong

AU - Li, Shuang Ming

AU - Li, Hou Bu

AU - Fu, Heng Zhi

PY - 2005/6

Y1 - 2005/6

N2 - The solidification microstructure of NdxFe100-1.5xB0.5x (x=10.8%, 11.76%, 13.5%) alloys are researched at the withdraw velocity ranging from 5 μm/s to 500 μm/s under directional solidification. The results indicate that the final microstructure of three compositions alloys is all primary α-Fe phase, Nd2Fe4B phase and Nd-rich phase. With increase of withdraw velocity, primary dendrite arm spacing of primary α-Fe phase decreases, the volume fraction of primary α-Fe phase decreases and then increases, Nd2Fe14B phase increases and then decreases.

AB - The solidification microstructure of NdxFe100-1.5xB0.5x (x=10.8%, 11.76%, 13.5%) alloys are researched at the withdraw velocity ranging from 5 μm/s to 500 μm/s under directional solidification. The results indicate that the final microstructure of three compositions alloys is all primary α-Fe phase, Nd2Fe4B phase and Nd-rich phase. With increase of withdraw velocity, primary dendrite arm spacing of primary α-Fe phase decreases, the volume fraction of primary α-Fe phase decreases and then increases, Nd2Fe14B phase increases and then decreases.

KW - Directional solidification

KW - Microstructure

KW - Nd-Fe-B alloy

KW - Peritectic reaction

UR - https://www.scopus.com/pages/publications/21444441696

M3 - 文章

AN - SCOPUS:21444441696

SN - 1001-4381

SP - 17-19+44

JO - Cailiao Gongcheng/Journal of Materials Engineering

JF - Cailiao Gongcheng/Journal of Materials Engineering

IS - 6

ER -

Investigation of microstructure of Nd-Fe-B peritectic alloys under directional solidification

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