Effect of Li2O Doping on Structure and Mechanical Properties of SiO2-Al2O3-MgO Glass

ZHENG Wenbin; CHEN Hansheng; WANG Huanping; GAO Ren; ZHU Qingong; YANG Qinghua; XU Shiqing; ZHANG Xianghua

doi:10.11973/jxgccl201906008

Materials and Mechanical Engineering > 2019 > 43(6): 38-42. > DOI: 10.11973/jxgccl201906008

ZHENG Wenbin, CHEN Hansheng, WANG Huanping, GAO Ren, ZHU Qingong, YANG Qinghua, XU Shiqing, ZHANG Xianghua. Effect of Li₂O Doping on Structure and Mechanical Properties of SiO₂-Al₂O₃-MgO Glass[J]. Materials and Mechanical Engineering, 2019, 43(6): 38-42. DOI: 10.11973/jxgccl201906008

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Effect of Li₂O Doping on Structure and Mechanical Properties of SiO₂-Al₂O₃-MgO Glass

1. College of Materials Science and Engineering, China Jiliang University, Hangzhou 310018, China;
2. Laboratory of Glasses and Ceramics, UMR 6226 CNRS, University of Rennes 1, Rennes 35042, France

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Received Date: April 21, 2018
Revised Date: May 04, 2019

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Abstract

Abstract

SiO₂-Al₂O₃-MgO glasses doped with 0-3.0wt% Li₂O were prepared by conventional melt quenching technique, and the effects of Li₂O doping amount on thermal property, structural stability and mechanical properties of the glass were investigated. The results show that the doping of Li₂O reduced the softening temperature of the glass effectively. With the increase of Li₂O doping amount, the optical band gap of the glass decreased first and then increased, while the structural stability, thermal stability and mechanical properties increased first and then decreased. When the Li₂O doping amount was 1.0wt%, the glass had the most stable structure and the best bending and compressive properties.
- SiO₂-Al₂O₃-MgO glass,
- Li₂O doping,
- mechanical property,
- structural stability

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Effect of Li2O Doping on Structure and Mechanical Properties of SiO2-Al2O3-MgO Glass

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Effect of Li₂O Doping on Structure and Mechanical Properties of SiO₂-Al₂O₃-MgO Glass