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Tensile strength, thermal conductivity and abrasion resistance of natural fiber-reinforced fly ash-based geopolymer composites produced with flax tow. / Lazorenko, Georgy; Denisov, Stepan; Goryajnov, Dmitry et al.

In: Construction and Building Materials, Vol. 493, 143275, 26.09.2025.

Research output: Contribution to journal › Article › peer-review

Harvard

Lazorenko, G, Denisov, S, Goryajnov, D, Tsvetkov, S & Kasprzhitskii, A 2025, 'Tensile strength, thermal conductivity and abrasion resistance of natural fiber-reinforced fly ash-based geopolymer composites produced with flax tow', Construction and Building Materials, vol. 493, 143275. https://doi.org/10.1016/j.conbuildmat.2025.143275

APA

Lazorenko, G., Denisov, S., Goryajnov, D., Tsvetkov, S., & Kasprzhitskii, A. (2025). Tensile strength, thermal conductivity and abrasion resistance of natural fiber-reinforced fly ash-based geopolymer composites produced with flax tow. Construction and Building Materials, 493, [143275]. https://doi.org/10.1016/j.conbuildmat.2025.143275

Vancouver

Lazorenko G, Denisov S, Goryajnov D, Tsvetkov S, Kasprzhitskii A. Tensile strength, thermal conductivity and abrasion resistance of natural fiber-reinforced fly ash-based geopolymer composites produced with flax tow. Construction and Building Materials. 2025 Sept 26;493:143275. doi: 10.1016/j.conbuildmat.2025.143275

Author

Lazorenko, Georgy ; Denisov, Stepan ; Goryajnov, Dmitry et al. / Tensile strength, thermal conductivity and abrasion resistance of natural fiber-reinforced fly ash-based geopolymer composites produced with flax tow. In: Construction and Building Materials. 2025 ; Vol. 493.

BibTeX

@article{c76c75be11d742e3a22b7bfc4ff696af,
title = "Tensile strength, thermal conductivity and abrasion resistance of natural fiber-reinforced fly ash-based geopolymer composites produced with flax tow",
abstract = "This study investigates the effect of incorporating fibrous by-products of flax processing (flax tow) into coal fly ash-based geopolymer mortars at dosages of 0.25–1.0 wt%. The primary focus is on tensile strength, thermal conductivity and abrasion resistance, with additional assessment of dry density, ultrasonic pulse velocity, and microstructural features. The lowest abrasion mass loss (0.3 kg/m²) was recorded at 0.5 % flax tow, corresponding to a 36 % increase in abrasion resistance compared to the control. The highest thermal conductivity reduction (12 %) and tensile strength improvement (18 %) occurred at 1.0 % flax tow. Within the experiment limits, flax tow addition yielded simultaneous improvements in mechanical performance, thermal insulation, and wear resistance, comparable to or exceeding those of high-grade natural and synthetic fibers. The results demonstrate the feasibility of using flax tow as a cost-effective reinforcement in geopolymers, offering a sustainable pathway for high-performance building materials.",
keywords = "Alkali-activated materials, Composite, Flax tow, Geopolymer, Natural fiber",
author = "Georgy Lazorenko and Stepan Denisov and Dmitry Goryajnov and Sergey Tsvetkov and Anton Kasprzhitskii",
note = "The authors acknowledged the support by the Ministry of Science and Higher Education of the Russian Federation (grant No. FSUS-2024–0027). Tensile strength, thermal conductivity and abrasion resistance of natural fiber-reinforced fly ash-based geopolymer composites produced with flax tow / Georgy Lazorenko, Stepan Denisov, Dmitry Goryajnov, Sergey Tsvetkov, Anton Kasprzhitskii // Construction and Building Materials. – 2025. – Vol. 493. – P. 143275. – DOI 10.1016/j.conbuildmat.2025.143275 ",
year = "2025",
month = sep,
day = "26",
doi = "10.1016/j.conbuildmat.2025.143275",
language = "English",
volume = "493",
journal = "Construction and Building Materials",
issn = "0950-0618",
publisher = "Elsevier Science Publishing Company, Inc.",

}

RIS

TY - JOUR

T1 - Tensile strength, thermal conductivity and abrasion resistance of natural fiber-reinforced fly ash-based geopolymer composites produced with flax tow

AU - Lazorenko, Georgy

AU - Denisov, Stepan

AU - Goryajnov, Dmitry

AU - Tsvetkov, Sergey

AU - Kasprzhitskii, Anton

N1 - The authors acknowledged the support by the Ministry of Science and Higher Education of the Russian Federation (grant No. FSUS-2024–0027). Tensile strength, thermal conductivity and abrasion resistance of natural fiber-reinforced fly ash-based geopolymer composites produced with flax tow / Georgy Lazorenko, Stepan Denisov, Dmitry Goryajnov, Sergey Tsvetkov, Anton Kasprzhitskii // Construction and Building Materials. – 2025. – Vol. 493. – P. 143275. – DOI 10.1016/j.conbuildmat.2025.143275

PY - 2025/9/26

Y1 - 2025/9/26

N2 - This study investigates the effect of incorporating fibrous by-products of flax processing (flax tow) into coal fly ash-based geopolymer mortars at dosages of 0.25–1.0 wt%. The primary focus is on tensile strength, thermal conductivity and abrasion resistance, with additional assessment of dry density, ultrasonic pulse velocity, and microstructural features. The lowest abrasion mass loss (0.3 kg/m²) was recorded at 0.5 % flax tow, corresponding to a 36 % increase in abrasion resistance compared to the control. The highest thermal conductivity reduction (12 %) and tensile strength improvement (18 %) occurred at 1.0 % flax tow. Within the experiment limits, flax tow addition yielded simultaneous improvements in mechanical performance, thermal insulation, and wear resistance, comparable to or exceeding those of high-grade natural and synthetic fibers. The results demonstrate the feasibility of using flax tow as a cost-effective reinforcement in geopolymers, offering a sustainable pathway for high-performance building materials.

AB - This study investigates the effect of incorporating fibrous by-products of flax processing (flax tow) into coal fly ash-based geopolymer mortars at dosages of 0.25–1.0 wt%. The primary focus is on tensile strength, thermal conductivity and abrasion resistance, with additional assessment of dry density, ultrasonic pulse velocity, and microstructural features. The lowest abrasion mass loss (0.3 kg/m²) was recorded at 0.5 % flax tow, corresponding to a 36 % increase in abrasion resistance compared to the control. The highest thermal conductivity reduction (12 %) and tensile strength improvement (18 %) occurred at 1.0 % flax tow. Within the experiment limits, flax tow addition yielded simultaneous improvements in mechanical performance, thermal insulation, and wear resistance, comparable to or exceeding those of high-grade natural and synthetic fibers. The results demonstrate the feasibility of using flax tow as a cost-effective reinforcement in geopolymers, offering a sustainable pathway for high-performance building materials.

KW - Alkali-activated materials

KW - Composite

KW - Flax tow

KW - Geopolymer

KW - Natural fiber

UR - https://www.mendeley.com/catalogue/e9a24966-06bd-3351-adc1-992cc9ff10ee/

UR - https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=105013881105&origin=inward

U2 - 10.1016/j.conbuildmat.2025.143275

DO - 10.1016/j.conbuildmat.2025.143275

M3 - Article

VL - 493

JO - Construction and Building Materials

JF - Construction and Building Materials

SN - 0950-0618

M1 - 143275

ER -

ID: 68881368