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Meeting 2017 TMS Annual Meeting & Exhibition
Symposium Pan American Materials Congress: Materials for Infrastructure
Presentation Title PAN-26: Carbonation Study in Calcium Aluminate Cement Pastes
Author(s) Jose Manuel Vanegas, Henry Alonso Colorado, John F. Zapata
On-Site Speaker (Planned) Jose Manuel Vanegas
Abstract Scope Carbonation reduces durability and stability of cements and concrete. Particularly in calcium aluminate cement absorption can be more acetated than in traditional cements and therefore this is a technical and open problem in this materials. On the other hand, carbonation can be used as a way to reduce the CO2 levels from the atmosphere by the absorption in solid materials. In this research different formulations of calcium aluminate cements (CAC) have been exposed to CO2 gas. Samples of cement paste were made at 0.3, 0.4 and 0.5 water to cement (W/C) ratios. Carbonation was carried out on samples in controlled environment under CO2 gas. All samples were characterized in their microstructure by scanning electron microscopy, X-ray diffraction, granulometry, density, and compression tests.
Proceedings Inclusion? Planned: Stand-alone book in which only your symposium’s papers would appear (indicate title in comments section below)

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Anticorrosion and Adsorption Mechanism of Rhizophora Mangle L Leaf-extract on Steel-reinforcement in 3.5% NaCl-immersed Concrete
Cassia Fistula Leaf-extract Effect on Corrosion-inhibition of Stainless-steel in 0.5 M HCl
Colombian Natural Fibers for Structural Materials
Development of Co-B-SiC Coatings for Use on Aeronautical and Automobile Industries
Effect of C5H11NO2S on Reinforcing-steel Corrosion in Concrete Immersed in Industrial/Microbial Simulating-environment
Fiber Reinforced Concrete Manufactured with Electric Arc Furnace Slag
Jigs, Hydro-cyclones and Sensor-based Sorting to Value Recycled Aggregates
PAN-25: Calcium Aluminate Cements Under High Temperature Oxidation Environment
PAN-26: Carbonation Study in Calcium Aluminate Cement Pastes
Performance of Hydraulic Mixes Manufactured with Electric Arc Furnace Slag Aggregates
Physical and Mechanical Properties of Bricks with Added Industrial Waste
Porous Asphalt Mixtures With 100% Siderurgic Aggregates
Portland Cement Paste Blended With Pulverized Coconut Fibers

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