Metre-scale Y3Al5O12 (YAG) Transparent Ceramics by Vacuum Reactive Sintering

doi:10.15541/jim20230374

Journal of Inorganic Materials ›› 2023, Vol. 38 ›› Issue (12): 1483-1484.DOI: 10.15541/jim20230374

Special Issue: 【信息功能】透明与闪烁陶瓷（202506）

• SCI-TECH DEVELOPMENT • Previous Articles

Metre-scale Y₃Al₅O₁₂ (YAG) Transparent Ceramics by Vacuum Reactive Sintering

WANG Dewen¹^,²(), WANG Junping¹^,², YUAN Houcheng³^,⁴(), LIU Zhang³^,⁴, ZHOU Jin³^,⁴, DENG Jiajie¹^,², WANG Xin¹^,², WU Benhua³^,⁴, ZHANG Jian¹^,²(), WANG Shiwei¹^,²

1. State Key Lab of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 201899, China
2. Transparent Ceramics Research Center, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 201899, China
3. Jiangsu Tie Mao Technology Co., Ltd, Haian 226602, China
4. Jiangsu Key Lab of High Performance Transparent Protective New Materials, Haian 226602, China

Received:2023-08-16 Revised:2023-09-14 Published:2023-10-07 Online:2023-10-07
Contact: ZHANG Jian, professor. E-mail: jianzhang@mail.sic.ac.cn;
YUAN Houcheng, engineer. E-mail: yuanhoucheng@tiemao.cn
About author:WANG Dewen (1990-), male, engineer. E-mail: wangdewen@mail.sic.ac.cn
Supported by:
National Natural Science Foundation of China(52130207);Unveiling and Hanging Project of Nantong(JB2022001)

Abstract

Abstract:

Transparent ceramic materials have excellent strength, hardness and optical properties, which have important application prospect in light-weight transparent protective armor. However, the preparation of transparent ceramic components with large protection area and high transmittance properties is the main challenge to achieve application. In this work, large-size yttrium aluminum garnet (Y₃Al₅O₁₂, abbreviated as YAG) transparent ceramics with low deformation and excellent optical quality were fabricated by reactive sintering in vacuum using domestic high-purity Al₂O₃ and Y₂O₃ powders as starting materials, and the key technologies including dry pressing, calcining, high-temperature vacuum sintering and optical performance were broken through. In addition, as the upgrading of molding and sintering equipment, the dimension of YAG transparent ceramic was enlarged to 1040 mm×810 mm×15 mm, laying a substantial foundation for future applications.

Key words: YAG, large size, reaction sintering, transparent ceramic

CLC Number:

TQ174

WANG Dewen, WANG Junping, YUAN Houcheng, LIU Zhang, ZHOU Jin, DENG Jiajie, WANG Xin, WU Benhua, ZHANG Jian, WANG Shiwei. Metre-scale Y₃Al₅O₁₂ (YAG) Transparent Ceramics by Vacuum Reactive Sintering[J]. Journal of Inorganic Materials, 2023, 38(12): 1483-1484.

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References 8

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Metre-scale Y₃Al₅O₁₂ (YAG) Transparent Ceramics by Vacuum Reactive Sintering

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