Few-Layers Graphene-Based Cement Mortars: Production Process and Mechanical Properties
| Autor: | Salvatore Polverino, Antonio Esau Del Rio Castillo, Antonio Brencich, Luigi Marasco, Francesco Bonaccorso, Renata Morbiducci |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2022 |
| Předmět: |
Environmental effects of industries and plants
Renewable Energy Sustainability and the Environment Cement mortar Compressive strength Few-layers graphene Flexural strength High-performance materials Innovative construction Geography Planning and Development TJ807-830 Management Monitoring Policy and Law TD194-195 innovative construction high-performance materials few-layers graphene cement mortar flexural strength compressive strength Renewable energy sources Environmental sciences GE1-350 |
| Zdroj: | Sustainability; Volume 14; Issue 2; Pages: 784 Sustainability, Vol 14, Iss 784, p 784 (2022) |
| Popis: | Cement is the most-used construction material worldwide. Research for sustainable cement production has focused on including nanomaterials as additives to enhance cement performance (strength and durability) in recent decades. In this concern, graphene is considered one of the most promising additives for cement composites. Here, we propose a novel technique for producing few-layer graphene (FLG) that can fulfil the material demand for the construction industry. We produced specimens with different FLG loadings (from 0.05% to 1% by weight of cement) and curing processes (water and saturated air). The addition of FLG at 0.10% by weight of cement improved the flexural strength by 24% compared to the reference (bare) sample. Similarly, a 0.15% FLG loading by weight of cement led to an improvement in compressive strength of 29% compared to the reference specimen. The FLG flakes produced by our proposed methodology can open the door to their full exploitation in several cement mortar applications, such as cementitious composites with high durability, mechanical performance and high electrical conductivity for electrothermal applications. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|