Preparation of electrically conductive carbon fiber-cement mortars with carbonized titanium-bearing blast furnace slag as an aggregate

Fang Zheyu; Deng Kexing; Huang Gen; Tang Chenjun; Xuan Ming; Wang Dong; Ran Songlin

doi:10.7513/j.issn.1004-7638.2023.02.015

Volume 44 Issue 2

Apr. 2023

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Fang Zheyu, Deng Kexing, Huang Gen, Tang Chenjun, Xuan Ming, Wang Dong, Ran Songlin. Preparation of electrically conductive carbon fiber-cement mortars with carbonized titanium-bearing blast furnace slag as an aggregate[J]. IRON STEEL VANADIUM TITANIUM, 2023, 44(2): 103-110. doi: 10.7513/j.issn.1004-7638.2023.02.015

Citation:

Fang Zheyu, Deng Kexing, Huang Gen, Tang Chenjun, Xuan Ming, Wang Dong, Ran Songlin. Preparation of electrically conductive carbon fiber-cement mortars with carbonized titanium-bearing blast furnace slag as an aggregate[J]. IRON STEEL VANADIUM TITANIUM, 2023, 44(2): 103-110. doi: 10.7513/j.issn.1004-7638.2023.02.015

Citation:

Fang Zheyu, Deng Kexing, Huang Gen, Tang Chenjun, Xuan Ming, Wang Dong, Ran Songlin. Preparation of electrically conductive carbon fiber-cement mortars with carbonized titanium-bearing blast furnace slag as an aggregate[J]. IRON STEEL VANADIUM TITANIUM, 2023, 44(2): 103-110. doi: 10.7513/j.issn.1004-7638.2023.02.015

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Preparation of electrically conductive carbon fiber-cement mortars with carbonized titanium-bearing blast furnace slag as an aggregate

doi: 10.7513/j.issn.1004-7638.2023.02.015

Fang Zheyu^{1, 2
,},
Deng Kexing³,
Huang Gen³,
Tang Chenjun^{1, 2},
Xuan Ming^{1, 2},
Wang Dong³,
Ran Songlin^{1, 2, 3
,
,}

1.
Anhui Province Key Laboratory of Metallurgical Engineering & Resources Recycling (Anhui University of Technology), Maanshan 243002, Anhui, China
2.
Key Laboratory of Metallurgical Emission Reduction & Resources Recycling (Anhui University of Technology), Ministry of Education, Maanshan 243002, Anhui, China
3.
School of Materials Science and Engineering, Anhui University of Technology, Maanshan 243002, Anhui , China

More Information

Received Date: 2023-01-19
Publish Date: 2023-04-30

Abstract

Abstract

Electrically conductive cement mortars were prepared by using carbon fiber as a conductive phase and carbonized titanium-bearing blast furnace slag (CTBFS) as an aggregate. The content of carbon fiber on the rupture strength, compressive strength, and electrical resistivity of the as-prepared cement mortar was investigated and compared with those with standard sand as an aggregate. The results show that the replacement of standard sand with CTBFS as the aggregate not only significantly improved the rupture and compressive strength of carbon fiber cement mortar, making it meet the requirements of building cement mortar, but also reduced the threshold of conductive cement mortar from 0.5% to 0.2%. With a carbon fiber content of 2.0%, the as-prepared cement mortar with CTBFS as the aggregate showed excellent performance with 28 d compression and rupture strength of 39.9 MPa and 10.2 MPa, respectively, as well as electrical resistance of 10.7 Ω·m in wet state and 10.9 Ω·m in dry state, respectively. The investigation provides a new way for the reuse of titanium-bearing blast furnace slag and the preparation of conductive cement-based composites.
- titanium-bearing blast furnace slag,
- carbonized titanium-bearing blast furnace slag,
- electrically conductive cement mortar,
- carbon fiber

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References(32)

References

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