Mechanical and Thermal Characteristics of Cement Composites Containing PEDOT:PSS and Amorphous Metallic Fibers
Se-Jin Choi, Jeong-Yeon Park, Min-Jeong Kim, Jae-In Lee
TL;DR
This study explores how adding PEDOT:PSS and amorphous metallic fibers to cement improves its mechanical strength and heat generation, offering new possibilities for advanced cement composites.
Contribution
The novel contribution is the investigation of combined PEDOT:PSS and amorphous metallic fibers in cement composites for enhanced mechanical and thermal performance.
Findings
Adding PEDOT:PSS and amorphous fibers increases splitting tensile strength by up to 38.5%.
Combined use of PEDOT:PSS and fibers reduces brittleness and improves heat generation by 138%.
Scanning electron microscopy reveals clearer hydrate structures in composites with both additives.
Abstract
Poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) is a conductive polymer that has attracted significant attention in various industries. However, studies on the application of PEDOT:PSS in cement composites are scarce. The thermal performance and mechanical properties of conductive cement composites manufactured using amorphous metallic fibers (AFs), reinforcing fibers with excellent conductivity in concrete, and the conductive polymer PEDOT:PSS in various ratios are investigated in this study. When only PEDOT:PSS and a combination of AFs and PEDOT:PSS are used, the splitting tensile strength of the composite at 28 d increases by 15.4% and 38.5%, respectively, compared with that of the plain sample (without PEDOT:PSS and AFs). Additionally, the simultaneous incorporation of PEDOT:PSS and AFs significantly reduces the brittleness of cement composites. The…
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Taxonomy
TopicsSmart Materials for Construction · Conducting polymers and applications · Advanced Sensor and Energy Harvesting Materials