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Measurement on Fracture Toughness of Cement-Based Materials Based on Micro-Scratch Test
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Shun YAO1, 2, Chuanlin HU1, Yongjia HE1, 2, Fazhou WANG1, 2
Journal of the Chinese Ceramic Society | 2022, 50(2) : 452 - 456
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Journal of the Chinese Ceramic Society | 2022, 50(2): 452-456
• Research Articles •
Measurement on Fracture Toughness of Cement-Based Materials Based on Micro-Scratch Test
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Shun YAO1, 2, Chuanlin HU1, Yongjia HE1, 2, Fazhou WANG1, 2
Affiliations
  • 1.State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan 430070, China
  • 2.School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, China

    • YAO Shun (1993-), male, Doctoral candidate. E-mail:

About Author:

YAO Shun (1993-), male, Doctoral candidate. E-mail:

Published: 2022-02-20 doi: 10.14062/j.issn.0454-5648.20210354
Outline
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Cement-based materials are brittle and easy to crack, which are concerned as the key problems to be solved in engineering application. The microscale brittleness of the material phases of cement-based materials needs to be investigated, and a relationship between the micro-scale brittleness and the overall brittleness needs to be established for the toughening design of cement-based materials. In this work, the fracture toughness-displacement curves were obtained via micro-scratch test, and the phases corresponding to the scratch area were analyzed by high resolution scanning electron microscopy, thus charactering quantitatively the fracture toughness of cement paste and its material phases, and establishing the relationship between the overall brittleness of cement paste and the brittleness of calcium silicate hydrate gel.

micro-scratch  /  calcium silicate hydrate  /  fracture toughness  /  cement based material
姚顺, 胡传林, 何永佳, 王发洲. 基于微米划痕的水泥基材料断裂韧性测试与分析方法. 硅酸盐学报, 2022 , 50 (2) : 452 -456 . DOI: 10.14062/j.issn.0454-5648.20210354
Shun YAO, Chuanlin HU, Yongjia HE, Fazhou WANG. Measurement on Fracture Toughness of Cement-Based Materials Based on Micro-Scratch Test[J]. Journal of the Chinese Ceramic Society, 2022 , 50 (2) : 452 -456 . DOI: 10.14062/j.issn.0454-5648.20210354
Appendix
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Year 2022 volume 50 Issue 2
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Article Info
doi: 10.14062/j.issn.0454-5648.20210354
  • Receive Date：2021-05-02
  • Online Date：2026-10-22
  • Published：2022-02-20
Article Data
Affiliations
History
  • Received：2021-05-02
  • Revised：2021-10-02
Funding
Affiliations
    1.State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan 430070, China
    2.School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, China

Corresponding:

HU Chuanlin (1985-), male, Researcher. 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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