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Structural Origin of Hardness and Crack Resistance in Aluminosilicate Glass
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Zhisong DING, Bingbing WANG, Zhentao WANG, Ang QIAO, Shaoxuan GU, Haizheng TAO
Journal of the Chinese Ceramic Society | 2022, 50(4) : 894 - 901
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Journal of the Chinese Ceramic Society | 2022, 50(4): 894-901
• Research Articles •
Structural Origin of Hardness and Crack Resistance in Aluminosilicate Glass
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Zhisong DING, Bingbing WANG, Zhentao WANG, Ang QIAO, Shaoxuan GU, Haizheng TAO
Affiliations
  • State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan 430070, China

    • DING Zhisong (1996-), male, Master candidate. E-mail:

About Author:

DING Zhisong (1996-), male, Master candidate. E-mail:

Published: 2022-04-20 doi: 10.14062/j.issn.0454-5648.20211042
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Utilizing a laser-heated aerodynamic levitation melting technique, we prepared a series of aluminosilicate glasses (xAl2O3·(100-x)SiO2, 30≤x≤63, in molar fraction). The Vickers hardness (HV) and crack resistance (CR) of the glasses were investigated by a micro-hardness Vicker tester. The results show that the hardness of those glasses increases gradually with the increase of Al2O3 content, and the maximum hardness is 8.94 GPa as x=63. However, the crack resistance of the glasses is nonlinear with the change of composition, and the maximum crack resistance is 19.49 N as x=63. According to the results of structural analysis, the increase of atomic packing density and mean-field bond energy density can be attributed to the hardness enhancement. The reduction of the phase interface can lead to the reduction of the crack resistance, while the increase of Al2O3 content in the glass can result in an increase in the crack resistance. The synergy and competition between the phase interface reduction and Al2O3 content increase can result in a nonlinear change of crack resistance. The crack resistance does not change significantly due to the similar structures of the glasses within the mullite phase region.

aluminosilicate glass  /  aerodynamic levitation technology  /  hardness  /  crack resistance  /  phase interface
丁志松, 王兵兵, 王振涛, 乔昂, 顾少轩, 陶海征. 铝硅准二元玻璃硬度和抗碎裂性演化的结构起源. 硅酸盐学报, 2022 , 50 (4) : 894 -901 . DOI: 10.14062/j.issn.0454-5648.20211042
Zhisong DING, Bingbing WANG, Zhentao WANG, Ang QIAO, Shaoxuan GU, Haizheng TAO. Structural Origin of Hardness and Crack Resistance in Aluminosilicate Glass[J]. Journal of the Chinese Ceramic Society, 2022 , 50 (4) : 894 -901 . DOI: 10.14062/j.issn.0454-5648.20211042
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Year 2022 volume 50 Issue 4
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Article Info
doi: 10.14062/j.issn.0454-5648.20211042
  • Receive Date：2021-12-01
  • Online Date：2026-10-22
  • Published：2022-04-20
Article Data
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History
  • Received：2021-12-01
  • Revised：2021-12-29
Funding
Affiliations
    State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan 430070, China

Corresponding:

TAO Haizheng (1973-), male, Ph.D., Professor. E-mail:
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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