Electric field induced grain refining in Al2O3 single crystal particles

Jinling Liu; Yan Gao; Dianguang Liu; Yiguang Wang

doi:10.1016/j.ceramint.2018.04.012

Electric field induced grain refining in Al₂O₃ single crystal particles

Jinling Liu
, Yan Gao
, Dianguang Liu^*
, Yiguang Wang

^*此作品的通讯作者

Southwest Jiaotong University
Northwestern Polytechnical University Xian

科研成果: 期刊稿件 › 文章 › 同行评审

2 引用（Scopus）

摘要

The pre-soaking procedure was developed to identify the grain refining effects on Al₂O₃ ceramic during spark plasma sintering (SPS). The results showed the micrometer-size Al₂O₃ single crystal particles refined by the thermo-electric-mechanical mechanism. The large sized single crystal particles have more obvious grain refining and show more refined spots. A time dependent grain refining process has been identified after the powders were soaked longer at temperatures below the grain growth levels. Our work demonstrates a possible method to make nanostructured ceramic using SPS with pre-soaking process.

源语言	英语
页（从-至）	13414-13418
页数	5
期刊	Ceramics International
卷	44
期	11
DOI	https://doi.org/10.1016/j.ceramint.2018.04.012
出版状态	已出版 - 1 8月 2018
已对外发布	是

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10.1016/j.ceramint.2018.04.012

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title = "Electric field induced grain refining in Al2O3 single crystal particles",

abstract = "The pre-soaking procedure was developed to identify the grain refining effects on Al2O3 ceramic during spark plasma sintering (SPS). The results showed the micrometer-size Al2O3 single crystal particles refined by the thermo-electric-mechanical mechanism. The large sized single crystal particles have more obvious grain refining and show more refined spots. A time dependent grain refining process has been identified after the powders were soaked longer at temperatures below the grain growth levels. Our work demonstrates a possible method to make nanostructured ceramic using SPS with pre-soaking process.",

keywords = "AlO, Electric field, Grain refining, SPS, Soaking",

author = "Jinling Liu and Yan Gao and Dianguang Liu and Yiguang Wang",

note = "Publisher Copyright: {\textcopyright} 2018 Elsevier Ltd and Techna Group S.r.l.",

year = "2018",

month = aug,

day = "1",

doi = "10.1016/j.ceramint.2018.04.012",

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TY - JOUR

T1 - Electric field induced grain refining in Al2O3 single crystal particles

AU - Liu, Jinling

AU - Gao, Yan

AU - Liu, Dianguang

AU - Wang, Yiguang

PY - 2018/8/1

Y1 - 2018/8/1

N2 - The pre-soaking procedure was developed to identify the grain refining effects on Al2O3 ceramic during spark plasma sintering (SPS). The results showed the micrometer-size Al2O3 single crystal particles refined by the thermo-electric-mechanical mechanism. The large sized single crystal particles have more obvious grain refining and show more refined spots. A time dependent grain refining process has been identified after the powders were soaked longer at temperatures below the grain growth levels. Our work demonstrates a possible method to make nanostructured ceramic using SPS with pre-soaking process.

AB - The pre-soaking procedure was developed to identify the grain refining effects on Al2O3 ceramic during spark plasma sintering (SPS). The results showed the micrometer-size Al2O3 single crystal particles refined by the thermo-electric-mechanical mechanism. The large sized single crystal particles have more obvious grain refining and show more refined spots. A time dependent grain refining process has been identified after the powders were soaked longer at temperatures below the grain growth levels. Our work demonstrates a possible method to make nanostructured ceramic using SPS with pre-soaking process.

KW - AlO

KW - Electric field

KW - Grain refining

KW - SPS

KW - Soaking

UR - https://www.scopus.com/pages/publications/85045104521

U2 - 10.1016/j.ceramint.2018.04.012

DO - 10.1016/j.ceramint.2018.04.012

M3 - Article

AN - SCOPUS:85045104521

SN - 0272-8842

VL - 44

SP - 13414

EP - 13418

JO - Ceramics International

JF - Ceramics International

IS - 11

ER -

Electric field induced grain refining in Al2O3 single crystal particles

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Electric field induced grain refining in Al₂O₃ single crystal particles