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Volume 13
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10.3390/ma13030579
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Article

Mechanical Properties of Short Fiber-Reinforced Geopolymers Made by Casted and 3D Printing Methods: A Comparative Study

by
Kinga Korniejenko
1,*,
Michał Łach
1,
Shih-Yu Chou
2,
Wei-Ting Lin
2,
An Cheng
2,
Maria Hebdowska-Krupa
1,
Szymon Gądek
1 and
Janusz Mikuła
1
1
Institute of Materials Engineering, Faculty of Material Engineering and Physics, Cracow University of Technology, Jana Pawła II 37, 31-864 Cracow, Poland
2
Department of Civil Engineering, National Ilan University, No.1, Sec. 1, Shennong Rd., I-Lan 260, Taiwan
*
Author to whom correspondence should be addressed.
Materials 2020, 13(3), 579; https://doi.org/10.3390/ma13030579
Submission received: 19 December 2019 / Revised: 18 January 2020 / Accepted: 22 January 2020 / Published: 26 January 2020
(This article belongs to the Collection Selected Papers from IMETI)
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Abstract

The main objective of this article is to develop ceramic-based materials for additive layer manufacturing (3D printing technology) that are suitable for civil engineering applications. This article is focused on fly ash-based fiber-reinforced geopolymer composites. It is based on experimental research, especially research comparing mechanical properties, such as compressive and flexural strength for designed compositions. The comparison includes various composites (short fiber-reinforced geopolymers and plain samples), different times of curing (investigation after 7 and 28 days), and two technologies of manufacturing (casted and injected samples—simulations of the 3D printing process). The geopolymer matrix is based on class F fly ash. The reinforcements were green tow flax and carbon fibers. The achieved results show that the mechanical properties of the new composites made by injection methods (simulations of 3D technology) are comparable with those of the traditional casting process. This article also discusses the influence of fiber on the mechanical properties of the composites. It shows that the addition of short fibers could have a similar influence on both of the technologies.
Keywords: fly ash-based geopolymer; 3D printing; additive manufacturing; short fiber; flax fiber; carbon fiber fly ash-based geopolymer; 3D printing; additive manufacturing; short fiber; flax fiber; carbon fiber

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MDPI and ACS Style

Korniejenko, K.; Łach, M.; Chou, S.-Y.; Lin, W.-T.; Cheng, A.; Hebdowska-Krupa, M.; Gądek, S.; Mikuła, J. Mechanical Properties of Short Fiber-Reinforced Geopolymers Made by Casted and 3D Printing Methods: A Comparative Study. Materials 2020, 13, 579. https://doi.org/10.3390/ma13030579

AMA Style

Korniejenko K, Łach M, Chou S-Y, Lin W-T, Cheng A, Hebdowska-Krupa M, Gądek S, Mikuła J. Mechanical Properties of Short Fiber-Reinforced Geopolymers Made by Casted and 3D Printing Methods: A Comparative Study. Materials. 2020; 13(3):579. https://doi.org/10.3390/ma13030579

Chicago/Turabian Style

Korniejenko, Kinga, Michał Łach, Shih-Yu Chou, Wei-Ting Lin, An Cheng, Maria Hebdowska-Krupa, Szymon Gądek, and Janusz Mikuła. 2020. "Mechanical Properties of Short Fiber-Reinforced Geopolymers Made by Casted and 3D Printing Methods: A Comparative Study" Materials 13, no. 3: 579. https://doi.org/10.3390/ma13030579

APA Style

Korniejenko, K., Łach, M., Chou, S.-Y., Lin, W.-T., Cheng, A., Hebdowska-Krupa, M., Gądek, S., & Mikuła, J. (2020). Mechanical Properties of Short Fiber-Reinforced Geopolymers Made by Casted and 3D Printing Methods: A Comparative Study. Materials, 13(3), 579. https://doi.org/10.3390/ma13030579

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