A modified preparation technique and characterization of directionally solidified Al2O3/Y3Al5O12 eutectic in situ composites

Haijun Su; Jun Zhang; Yangfang Deng; Lin Liu; Hengzhi Fu

doi:10.1016/j.scriptamat.2008.11.010

A modified preparation technique and characterization of directionally solidified Al₂O₃/Y₃Al₅O₁₂ eutectic in situ composites

Haijun Su, Jun Zhang, Yangfang Deng, Lin Liu, Hengzhi Fu

School of Materials Sience and Engineering

Northwestern Polytechnical University Xian

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

52 Scopus citations

Abstract

Generally, the electron beam floating zone melting (EBFZM) technique can only be used for preparing conductive materials but is not available for nonconductive ones. In this paper, a modified EBFZM technique has been developed to prepare directionally solidified Al₂O₃/Y₃Al₅O₁₂ eutectic in situ composites (nonconductive materials). The eutectic obtained shows ultra-fine interphase spacing with complex network structure and the irregular growth mechanism is investigated. Additionally, two new microstructures with regular growth morphology are observed and their formations are discussed.

Original language	English
Pages (from-to)	362-365
Number of pages	4
Journal	Scripta Materialia
Volume	60
Issue number	6
DOIs	https://doi.org/10.1016/j.scriptamat.2008.11.010
State	Published - Mar 2009

Keywords

AlO/YAlO
Directional solidification
Electron beam floating zone melting
Eutectic in situ composite

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10.1016/j.scriptamat.2008.11.010

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title = "A modified preparation technique and characterization of directionally solidified Al2O3/Y3Al5O12 eutectic in situ composites",

abstract = "Generally, the electron beam floating zone melting (EBFZM) technique can only be used for preparing conductive materials but is not available for nonconductive ones. In this paper, a modified EBFZM technique has been developed to prepare directionally solidified Al2O3/Y3Al5O12 eutectic in situ composites (nonconductive materials). The eutectic obtained shows ultra-fine interphase spacing with complex network structure and the irregular growth mechanism is investigated. Additionally, two new microstructures with regular growth morphology are observed and their formations are discussed.",

keywords = "AlO/YAlO, Directional solidification, Electron beam floating zone melting, Eutectic in situ composite",

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T1 - A modified preparation technique and characterization of directionally solidified Al2O3/Y3Al5O12 eutectic in situ composites

AU - Su, Haijun

AU - Zhang, Jun

AU - Deng, Yangfang

AU - Liu, Lin

AU - Fu, Hengzhi

PY - 2009/3

Y1 - 2009/3

N2 - Generally, the electron beam floating zone melting (EBFZM) technique can only be used for preparing conductive materials but is not available for nonconductive ones. In this paper, a modified EBFZM technique has been developed to prepare directionally solidified Al2O3/Y3Al5O12 eutectic in situ composites (nonconductive materials). The eutectic obtained shows ultra-fine interphase spacing with complex network structure and the irregular growth mechanism is investigated. Additionally, two new microstructures with regular growth morphology are observed and their formations are discussed.

AB - Generally, the electron beam floating zone melting (EBFZM) technique can only be used for preparing conductive materials but is not available for nonconductive ones. In this paper, a modified EBFZM technique has been developed to prepare directionally solidified Al2O3/Y3Al5O12 eutectic in situ composites (nonconductive materials). The eutectic obtained shows ultra-fine interphase spacing with complex network structure and the irregular growth mechanism is investigated. Additionally, two new microstructures with regular growth morphology are observed and their formations are discussed.

KW - AlO/YAlO

KW - Directional solidification

KW - Electron beam floating zone melting

KW - Eutectic in situ composite

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DO - 10.1016/j.scriptamat.2008.11.010

M3 - 文章

AN - SCOPUS:58149510112

SN - 1359-6462

VL - 60

SP - 362

EP - 365

JO - Scripta Materialia

JF - Scripta Materialia

IS - 6

ER -

A modified preparation technique and characterization of directionally solidified Al₂O₃/Y₃Al₅O₁₂ eutectic in situ composites

Abstract

Keywords

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