Characterization of nano-sized α-Al2O3 compacts prepared via modified θ-Al2O3@PEG technology

Wen Chiao Huang; Pei Wen Huang; Chi Yuen Huang; Fu Su Yen; Cheng Liang Huang

doi:10.1016/j.ceramint.2022.02.134

Characterization of nano-sized α-Al₂O₃ compacts prepared via modified θ-Al₂O₃@PEG technology

Wen Chiao Huang
, Pei Wen Huang
, Chi Yuen Huang
, Fu Su Yen
, Cheng Liang Huang

研究成果: Article › 同行評審

1 引文斯高帕斯（Scopus）

摘要

Modified (core) θ-Al₂O₃@ (shell) polyethylene glycol (PEG) technology was used to prepare α-Al₂O₃ green compacts composed of <100-nm α-Al₂O₃ crystallites using θ-Al₂O₃ as the starting material. The preparation process has two steps. In the first step, θ-Al₂O₃ compacts in which alumina crystallites were apart individually after the removal of PEG were made. In the second step, the θ-Al₂O₃ was transformed into α-Al₂O₃.The compact showed phase purity of >85% α-Al₂O₃ with crystallites sizes ranging from 50 to 100 nm and the compact density was >60% of the theoretical value.

原文	English
頁（從 - 到）	15932-15938
頁數	7
期刊	Ceramics International
卷	48
發行號	11
DOIs	https://doi.org/10.1016/j.ceramint.2022.02.134
出版狀態	Published - 2022 6月 1

All Science Journal Classification (ASJC) codes

電子、光磁材料
陶瓷和複合材料
製程化學與技術
表面、塗料和薄膜
材料化學

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10.1016/j.ceramint.2022.02.134

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@article{9640da6d3ef94478934bcf23222b0be7,

title = "Characterization of nano-sized α-Al2O3 compacts prepared via modified θ-Al2O3@PEG technology",

abstract = "Modified (core) θ-Al2O3@ (shell) polyethylene glycol (PEG) technology was used to prepare α-Al2O3 green compacts composed of <100-nm α-Al2O3 crystallites using θ-Al2O3 as the starting material. The preparation process has two steps. In the first step, θ-Al2O3 compacts in which alumina crystallites were apart individually after the removal of PEG were made. In the second step, the θ-Al2O3 was transformed into α-Al2O3.The compact showed phase purity of >85\% α-Al2O3 with crystallites sizes ranging from 50 to 100 nm and the compact density was >60\% of the theoretical value.",

author = "Huang, \{Wen Chiao\} and Huang, \{Pei Wen\} and Huang, \{Chi Yuen\} and Yen, \{Fu Su\} and Huang, \{Cheng Liang\}",

note = "Funding Information: The authors would like to thank Ms. Hui-Jung Shih and Tsen Shih Wen of the Instrument Center of National Cheng Kung University for supporting the use of high-resolution SEM and TEM , and Crystal Machine Co. Ltd. for funding this study. Publisher Copyright: {\textcopyright} 2022 Elsevier Ltd and Techna Group S.r.l.",

year = "2022",

month = jun,

day = "1",

doi = "10.1016/j.ceramint.2022.02.134",

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pages = "15932--15938",

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TY - JOUR

T1 - Characterization of nano-sized α-Al2O3 compacts prepared via modified θ-Al2O3@PEG technology

AU - Huang, Wen Chiao

AU - Huang, Pei Wen

AU - Huang, Chi Yuen

AU - Yen, Fu Su

AU - Huang, Cheng Liang

N1 - Funding Information: The authors would like to thank Ms. Hui-Jung Shih and Tsen Shih Wen of the Instrument Center of National Cheng Kung University for supporting the use of high-resolution SEM and TEM , and Crystal Machine Co. Ltd. for funding this study. Publisher Copyright: © 2022 Elsevier Ltd and Techna Group S.r.l.

PY - 2022/6/1

Y1 - 2022/6/1

N2 - Modified (core) θ-Al2O3@ (shell) polyethylene glycol (PEG) technology was used to prepare α-Al2O3 green compacts composed of <100-nm α-Al2O3 crystallites using θ-Al2O3 as the starting material. The preparation process has two steps. In the first step, θ-Al2O3 compacts in which alumina crystallites were apart individually after the removal of PEG were made. In the second step, the θ-Al2O3 was transformed into α-Al2O3.The compact showed phase purity of >85% α-Al2O3 with crystallites sizes ranging from 50 to 100 nm and the compact density was >60% of the theoretical value.

AB - Modified (core) θ-Al2O3@ (shell) polyethylene glycol (PEG) technology was used to prepare α-Al2O3 green compacts composed of <100-nm α-Al2O3 crystallites using θ-Al2O3 as the starting material. The preparation process has two steps. In the first step, θ-Al2O3 compacts in which alumina crystallites were apart individually after the removal of PEG were made. In the second step, the θ-Al2O3 was transformed into α-Al2O3.The compact showed phase purity of >85% α-Al2O3 with crystallites sizes ranging from 50 to 100 nm and the compact density was >60% of the theoretical value.

UR - https://www.scopus.com/pages/publications/85125496271

UR - https://www.scopus.com/pages/publications/85125496271#tab=citedBy

U2 - 10.1016/j.ceramint.2022.02.134

DO - 10.1016/j.ceramint.2022.02.134

M3 - Article

AN - SCOPUS:85125496271

SN - 0272-8842

VL - 48

SP - 15932

EP - 15938

JO - Ceramics International

JF - Ceramics International

IS - 11

ER -

Characterization of nano-sized α-Al2O3 compacts prepared via modified θ-Al2O3@PEG technology

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Characterization of nano-sized α-Al₂O₃ compacts prepared via modified θ-Al₂O₃@PEG technology