Mechanical properties of SPS sintered chalcogenide glass-ceramics with externally doped crystals

被引：8

作者：

Zhang, Jingwei ^{[1
,2
,4
]}

Guan, Yongnian ^{[1
,2
,4
]}

Xia, Kelun ^{[3
]}

Jia, Guang ^{[3
]}

Gu, Jierong ^{[3
]}

Yang, Zhiyong ^{[5
]}

Liu, Zijun ^{[1
,2
,4
]}

Shen, Xiang ^{[1
,2
,4
]}

机构：

[1] Ningbo Univ, Adv Technol Res Inst, Lab Infrared Mat & Devices, Ningbo 315211, Peoples R China

[2] Ningbo Univ, Adv Technol Res Inst, Key Lab Photoelect Mat & Devices Zhejiang Prov, Ningbo 315211, Peoples R China

[3] Ningbo Inst Oceanog, Ningbo 315832, Peoples R China

[4] Key Lab Photoelect Detect Mat & Devices Zhejiang P, Ningbo 315211, Zhejiang, Peoples R China

[5] Hangzhou Inst Opt & Fine Mech, Hangzhou 311421, Zhejiang, Peoples R China

来源：

CERAMICS INTERNATIONAL | 2023年 / 49卷 / 05期

关键词：

Chalcogenide glasses; Vickers hardness; Fracture toughness; Mechanical properties; Crystals; crystallization; Spark plasma sintering; IR; FABRICATION;

D O I：

10.1016/j.ceramint.2022.10.321

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The low mechanical properties limit the application of chalcogenide glasses in the infrared lens. This paper proposes a general method for enhancing the mechanical strength of chalcogenide glasses. A series of GaAs crystal-doped Ge10As20Se17Te53 and ZnS crystal-doped As2S5 glass-ceramics were prepared by spark plasma sintering (SPS). The effects of crystal doping on the optical and mechanical properties of glass-ceramics were studied utilizing FTIR, XRD, SEM, ultramicroscopy, and Vickers hardness. The results show that adding GaAs crystal and ZnS crystal significantly improves the hardness and fracture toughness of the chalcogenide glasses. The infrared transmittance and mechanical properties can be further improved by reducing the crystal size.

引用

页码：8032 / 8038

页数：7

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