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dc.contributor.authorSupakporn Aodkengen_US
dc.contributor.authorSakprayut Sinthupinyoen_US
dc.contributor.authorBusaya Chamnankiden_US
dc.contributor.authorWilasinee Hanpongpunen_US
dc.contributor.authorArnon Chaipanichen_US
dc.description.abstractCarbon nanotubes (CNTs) are known for their superior mechanical properties and have been found to increase the strength of cement-based materials. CNTs can also be synthesized on clay mineral by chemical vapour deposition (CVD). In this work, CNTs/Clay hybrid composite were added at 0.02 wt% up to 0.20 wt% in mortars and the effect on cement-based materials properties were investigated. Cumulative heat release and heat flow of cement paste were measured using isothermal calorimetry technique. Phase identification was carried out on samples at 28 days by X-ray diffraction and thermogravimetric analysis. Compressive strength, flexural strength and density of the mixes were determined at 28 days. Compressive strength was found to increase with increase CNTs/Clay hybrid composite and the optimal was found at 0.10 wt%. This is due to their ability to both reinforce and fill the pores in the cement matrix. Thermogravimertric results showed that at 0.10 wt% of CNTs/Clay hybrid composite and at ≈120-125 °C a slight increase in the mass loss can be observed. Moreover, isothermal calorimetry results showed that CNTs/Clay hybrid composite was found to accelerate early cement hydration.en_US
dc.subjectMaterials Scienceen_US
dc.titleEffect of carbon nanotubes/clay hybrid composite on mechanical properties, hydration heat and thermal analysis of cement-based materialsen_US
article.title.sourcetitleConstruction and Building Materialsen_US
article.volume320en_US Mai Universityen_US Cement Co. Ltd.en_US
Appears in Collections:CMUL: Journal Articles

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