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Creep Characteristics of Different Planes of Gallium Oxide Based on Nanoindentation
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Hai ZHOU1, Yameng XU1, Jiahui WEI1, 2, Junzhou SHEN1, Xiaowen FENG1
Journal of the Chinese Ceramic Society | 2021, 49(3) : 557 - 563
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Journal of the Chinese Ceramic Society | 2021, 49(3): 557-563
Creep Characteristics of Different Planes of Gallium Oxide Based on Nanoindentation
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Hai ZHOU1, Yameng XU1, Jiahui WEI1, 2, Junzhou SHEN1, Xiaowen FENG1
Affiliations
  • 1.College of Mechanical Engineering, Yancheng Institute of Technology, Yancheng 224051, Jiangsu, China
  • 2.College of Mechanical Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu, China

    • ZHOU Hai (1965-), male, Ph.D., Professor. E-mail:

About Author:

ZHOU Hai (1965-), male, Ph.D., Professor. E-mail:

Published: 2021-03-20 doi: 10.14062/j.issn.0454-5648.20200474
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The Berkovich indenter was used to conduct nanoindentation tests on the (100) and (010) crystal planes of gallium oxide by a constant load method, and the creep stress index of the gallium oxide crystal was obtained by data fitting. The creep stress index of single crystal gallium oxide crystal face (100) ranges from 15.5 to 27.8, and the creep stress index of crystal face (010) ranges from 46.1 to 63.4. The nanoindentation method can effectively determine the creep deformation of gallium oxide. The two crystal planes of gallium oxide show two stages of initial creep and steady-state creep. Among them, the crystal plane (100) has an obvious initial creep. The initial creep phase of the crystal plane (010) is not obvious. The holding load is positively correlated to the creep displacement and equivalent indentation stress of gallium oxide, and has no significant effect on the creep stress index. The creep stress index of different crystal planes of gallium oxide is different. The crystal plane (010) has a larger creep stress index rather than the crystal plane (100), which has a more intense creep resistance and is more suitable for precision machining.

gallium oxide  /  nanoindentation  /  creep property  /  creep stress exponents
周海, 徐亚萌, 韦嘉辉, 沈军州, 冯晓雯. 基于纳米压痕的氧化镓不同晶面的蠕变特性. 硅酸盐学报, 2021 , 49 (3) : 557 -563 . DOI: 10.14062/j.issn.0454-5648.20200474
Hai ZHOU, Yameng XU, Jiahui WEI, Junzhou SHEN, Xiaowen FENG. Creep Characteristics of Different Planes of Gallium Oxide Based on Nanoindentation[J]. Journal of the Chinese Ceramic Society, 2021 , 49 (3) : 557 -563 . DOI: 10.14062/j.issn.0454-5648.20200474
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Year 2021 volume 49 Issue 3
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Article Info
doi: 10.14062/j.issn.0454-5648.20200474
  • Receive Date：2020-06-29
  • Online Date：2026-10-30
  • Published：2021-03-20
Article Data
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History
  • Received：2020-06-29
  • Revised：2020-07-12
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Affiliations
    1.College of Mechanical Engineering, Yancheng Institute of Technology, Yancheng 224051, Jiangsu, China
    2.College of Mechanical Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu, China
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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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