Fabrication of Nd:YAG transparent ceramics from co-precipitated powders by vacuum pre-sintering and HIP post-treatment

被引:14
|
作者
Tian, Feng [1 ,4 ]
Chen, Cong [1 ,3 ]
Liu, Yang [2 ]
Liu, Qiang [3 ]
Ivanov, Maxim [5 ,6 ]
Wang, Qingqing [1 ]
Jiang, Nan [1 ,4 ]
Chen, Haohong [1 ]
Yang, Zhaoxiang [1 ]
Xie, Tengfei [1 ]
Li, Jiang [1 ,4 ]
机构
[1] Chinese Acad Sci, Shanghai Inst Ceram, Key Lab Transparent Optofunct Inorgan Mat, Shanghai 201899, Peoples R China
[2] North China Res Inst Electro Opt, Sci & Technol Solid State Laser Lab, Beijing 100015, Peoples R China
[3] Jiangsu Univ, Sch Mat Sci & Engn, 301 Xuefu Rd, Zhenjiang 212013, Jiangsu, Peoples R China
[4] Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China
[5] Russian Acad Sci, Inst Electrophys, Ural Branch, 106 Amundsen St, Ekaterinburg 620016, Russia
[6] Ural Fed Univ, 19 Mira Ave, Ekaterinburg 620002, Russia
基金
国家重点研发计划; 中国国家自然科学基金;
关键词
Nd:YAG transparent ceramics; Vacuum pre-sintering; Hot isostatic pressing; Air annealing; Microstructure; OPTICAL-PROPERTIES; MICROSTRUCTURE DEVELOPMENT; DENSIFICATION; NANOPOWDERS;
D O I
10.1016/j.optmat.2020.109728
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Using the nanopowders made by a reverse co-precipitation as raw materials, neodymium doped yttrium aluminum garnet (Nd:YAG) transparent ceramics were fabricated by vacuum pre-sintering with subsequent hot isostatic pressing (HIP) post-treatment. The green bodies were pre-sintered in vacuum at 1450 degrees C-1800 degrees C for 2 h and then HIPed at 1750 degrees C for 3 h under 200 MPa Ar atmosphere. Densification behavior and microstructure of the Nd:YAG ceramics before and after the HIP-treatment were investigated. Influences of the annealing temperature on transmittance and microstructure of the Nd:YAG ceramics were also studied. The ceramics presintered at 1750 degrees C for 2 h and post-HIPed at 1750 degrees C for 3 h without any additional annealing in air were shown to have the best in-line transmittance of 79.1% at 1064 nm.
引用
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页数:7
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