Materials
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Effect of Zeolite on Shrinkage and Crack Resistance of High-Performance Cement-Based Concrete
Materials - Tập 13 Số 17 - Trang 3773 - 2020
This study examined the effectiveness of zeolite addition to reduce the autogenous shrinkage of high-performance cement-based concrete (HPC). The zeolites were replaced up to 15% of the cement content by weight and their mean particle size varied from 5.6 to 16.7 µm. To evaluate the crack resistance of HPC containing zeolites, the ring tests and internal relative humidity measurements were perform...... hiện toàn bộ
Recent Purification Technologies and Human Health Risk Assessment of MicroplasticsMicroplastic (MP)-based contaminants in the environment are pervasive, but standard technologies used for MP identification have not yet been reported. Human beings take up MPs from the environmental ecosystem through the food chain without any particular purification. MPs can penetrate into capillaries from the bloodstream, resulting in endocrine system disorders or toxicity. In this revi... ... hiện toàn bộ
Materials - Tập 13 Số 22 - Trang 5196
Footstep Energy Harvesting with the Magnetostrictive Fiber Integrated ShoesWearable energy harvesting devices attract attention as the devices provide electrical power without inhibiting user mobility and independence. While the piezoelectric materials integrated shoes have been considered as wearable energy harvesting devices for a long time, they can lose their energy harvesting performance after being used several times due to their brittleness. In this study,... ... hiện toàn bộ
Materials - Tập 12 Số 13 - Trang 2055
Characterization of Porous CuO Films for H2S Gas SensorsUsing a thermal evaporator, various porous Cu films were deposited according to the deposition pressure. CuO films were formed by post heat treatment in the air. Changes in morphological and structural characteristics of films were analyzed using field-emission scanning electron microscopy (FE-SEM) and X-ray diffraction (XRD). Relative density and porosity were quantitatively calculated. C... ... hiện toàn bộ
Materials - Tập 15 Số 20 - Trang 7270
Enhancing Damage-Sensing Capacity of Strain-Hardening Macro-Steel Fiber-Reinforced Concrete by Adding Low Amount of Discrete Carbons
Materials - Tập 12 Số 6 - Trang 938 - 2019
The effects of adding micro-carbon fibers on the electro-mechanical response of macro-steel fiber-reinforced concretes (MSFRCs) under tension were investigated. Two MSFRCs were investigated and they had identical mortar matrix but different fiber contents: MSFRC1 and MSFRC2 contained 1.0 and 1.5 vol.% fibers, respectively. The volume contents of added micro-carbon fibers were 0 to 1.5 vol.% in MSF...... hiện toàn bộ
Recent Progress in Advanced Materials for Lithium Ion BatteriesThe development and commercialization of lithium ion batteries is rooted in material discovery. Promising new materials with high energy density are required for achieving the goal toward alternative forms of transportation. Over the past decade, significant progress and effort has been made in developing the new generation of Li-ion battery materials. In the review, I will focus on the re... ... hiện toàn bộ
Materials - Tập 6 Số 1 - Trang 156-183
Impacts of Low Atmospheric Pressure on Properties of Cement Concrete in Plateau Areas: A Literature ReviewLow atmospheric pressure (LAP) can enormously affect properties of cement concrete in plateau areas. There are fewer studies and attendances on this issue than those of cement concrete in normal atmospheric pressure (AP), because of the limitations of both environmental conditions and instruments. In order to improve properties of cement concrete under LAP, influences of LAP on properties ... ... hiện toàn bộ
Materials - Tập 12 Số 9 - Trang 1384
Hydrophobicity Improvement of Cement-Based Materials Incorporated with Ionic Paraffin Emulsions (IPEs)Cement-based materials are non-uniform porous materials that are easily permeated by harmful substances, thereby deteriorating their structural durability. In this work, three ionic paraffin emulsions (IPEs) (i.e., anionic paraffin emulsion (APE), cationic paraffin emulsion (CPE), and non-ionic paraffin emulsion (NPE), respectively) were prepared. The effects of incorporation of IPEs into ... ... hiện toàn bộ
Materials - Tập 13 Số 14 - Trang 3230
An Innovative Method for Sustainable Utilization of Blast-Furnace Slag in the Cleaner Production of One-Part Hybrid Cement MortarHybrid cement (HC) can be defined as alkali activated-blended-Portland cement (PC). It is prepared by the addition of an alkaline solution to high-volume aluminosilicate-blended-PC. Although this cement exhibits higher mechanical performance compared to conventional blended one (aluminosilicate–PC blend), it represents lower commercial viability because of the corrosive nature of alkaline ... ... hiện toàn bộ
Materials - Tập 14 Số 19 - Trang 5669
Effect of Gypsum on the Early Hydration of Cubic and Na-Doped Orthorhombic Tricalcium AluminateThe tricalcium aluminate (C3A) and sulfate content in cement influence the hydration chemistry, setting time and rheology of cement paste, mortar and concrete. Here, in situ experiments are performed to better understand the effect of gypsum on the early hydration of cubic (cub-)C3A and Na-doped orthorhombic (orth-)C3A. The isothermal calorimetry data show that the solid-phase assemblage p... ... hiện toàn bộ
Materials - Tập 11 Số 4 - Trang 568
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