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USING GEOPOLYMER COMPOSITES FOR HEAT AND CORROSION RESISTANT PIPES

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ABSTRACT

USING GEOPOLYMER COMPOSITES FOR HEAT AND CORROSION RESISTANT PIPES

Journal: Materials & Corrosion Engineering Management (MACEM)

Author: A. Su’udi, J. Akmal, N. Tanti, Arizon

This is an open access article distributed under the Creative Commons Attribution License CC BY 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited

DOI: 10.26480/macem.01.2020.17.20

This research studied the use of carbon fiber reinforced geopolymer composites as corrosion resistant pipe material. Geopolymer material is a general term for material synthesized from fly ash. Fly ash is an industrial by-product (coal combustion residue) with high silica content (SiO2) and Alumina content (Al2O3). In addition, there are also other elements in a relatively small percentage. This material will compound like cement if activated with Sodium Silicate. This study aims to obtain the optimum composition for high quality mechanical properties. The method used is to synthesize material with various elemental compositions. Furthermore, a mechanical test (bending test) is performed to see the effect of each element to be optimized. Besides that, a physical test in the form of SEM-EDX was also conducted to see the microstructure. Materials with optimum composition have been fabricated as pipes with centrifugal casting process. Mechanical testing of pipe samples is done by hoop tensile strength test. The test results show that the strength of geopolymer composites can achieve 58 MPa.
Pages 17-20
Year 2020
Issue 1
Volume 1