Browsing Ústav chemie materiálů by Title
Now showing items 1-20 of 86
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3D printing and post-curing optimization of photopolymerized structures: Basic concepts and effective tools for improved thermomechanical properties
(Elsevier, 2022-02-04)The final thermo-mechanical properties of structural parts fabricated by masked stereolithography (MSLA) are highly determined not only by the processing parameters, but also by the post-processing methods. Improper ... -
The adhesion of plasma nanocoatings controls the shear properties of GF/polyester composite
(MDPI, 2021-02-16)High-performance fibre-reinforced polymer composites are important construction materials based not only on the specific properties of the reinforcing fibres and the flexible polymer matrix, but also on the compatible ... -
Application of Isothermal and Isoperibolic Calorimetry to Assess the Effect of Zinc on Hydration of Cement Blended with Slag.
(MDPI, 2019-09-10)This work deals with the influence of zinc on cement hydration. The amount of zinc in cement has increased over recent years. This is mainly due to the utilization of solid waste and tires, which are widely used as a fuel ... -
Blastfurnace Hybrid Cement with Waste Water Glass Activator: Alkali-Silica Reaction Study
(MDPI, 2020-08-17)Hybrid systems represent a new sustainable type of cement combining the properties of ordinary Portland cement and alkali-activated materials. In this study, a hybrid system based on blast furnace slag and Portland clinker ... -
The centrifugal spinning of vitamin doped natural gum fibers for skin regeneration
(Elsevier, 2022-10-15)The study investigates the use of fiber carriers, based on biopolymeric gums as potential candidates for cosmetic and dermatological applications, in particular for skin regeneration. Gum arabic (GA), xanthan gum (XA), and ... -
Characterization and Corrosion Properties of Fluoride Conversion Coating Prepared on AZ31 Magnesium Alloy
(MDPI, 2021-06-02)Wrought AZ31 magnesium alloy was used as the experimental material for fluoride conversion coating preparation in Na[BF4] molten salt. Two coating temperatures, 430 degrees C and 450 degrees C, and three coating times, ... -
Characterization of Electroless Ni–P Coating Prepared on a Wrought ZE10 Magnesium Alloy
(MDPI, 2018-03-07)Electroless low-phosphorus Ni–P coating was deposited on a wrought ZE10 magnesium alloy including an advanced pre-treatment of the material surface before deposition. Uniform Ni–P coating with an average thickness of 10 ... -
Comparison of Testing Methods for Evaluating the Resistance of Alkali-Activated Blast Furnace Slag Systems to Sulfur Dioxide
(MDPI, 2022-02-11)Alkali-activated systems (AAS) represent an ecologically and economically sustainable inorganic binder as an alternative to ordinary Portland cement (OPC). One of the main benefits of AAS is their durability in aggressive ... -
Concrete Based on Clinker-Free Cement: Selecting the Functional Unit for Environmental Assessment
(MDPI, 2020-12-25)Improving the environmental situation and obtaining cement composites with new properties for various operating conditions is possible with the use of secondary resources. The paper is devoted to the criteria for evaluating ... -
Correlating Hydration of Alkali-Activated Slag Modified by Organic Additives to the Evolution of Its Properties
(MDPI, 2023-02-25)This study investigates the relationships between the hydration kinetics of waterglass-activated slag and the development of its physical-mechanical properties, as well as its color change. To modify the calorimetric ... -
Corrosion of low-carbon steel in sodium chloride solution containing a water-soluble fraction of humic acid
(Tanger, 2022-02-23)Humic acids are a heterogeneous mixture of organic compounds that are naturally found in water and soil. In recent years, there has been a growing interest in the application of green fertilizers containing humic acids in ... -
Crushed bricks as aggregate in cement based binder
(IOP Publishing, 2020-06-03)The work deals with the impact of crushed brick on properties of Portland cement binder. The source of brick recycled materials is not only the demolition waste, but also the waste from brick production. One way to reduce ... -
Decalcification resistance of various alkaliactivated materials
(IOP Publishing, 2021-09-29)The resistance of alkali-activated materials (AAMs) to degradation processes, particularly the decalcification, was studied in this paper. The ground granulated blast furnace slag was alkali-activated using various activators ... -
Durability of alkali-activated concretes containing cement kiln by-pass dust
(IOP Publishing, 2021-01-18)The aim of the presented work was evaluation of an effect of various conditions on the performance of two developed concretes based on alkali-activated slag and cement kiln by-pass dust (BD). BD was used as a partial ... -
Effect of alkali cation type on the plasticizing effect of ligno-sulfonate in alkali-activated systems
(IOP Publishing, 2021-09-29)The rheological properties of alkali-activated systems are significantly affected by the nature of the alkaline activator. Hydroxide-activated systems' workability is typically lower than that of alkali-activated systems ... -
The Effect of Biochar Application on Soil Properties and Growth of the Model Plant Zea Mays
(European Ecocycles Society, 2021-12-20)The classic way of land cultivation means the use of inorganic fertilizers that are salts that dissolve rapidly in a short time and improve soil fertility. This process negatively affects soil salinity and the life of ... -
Effect of curing environment on length changes of alkali-activated slag/cement kiln by-pass dust mixtures
(IOP Publishing, 2019-08-14)This paper investigates the combination of commonly used blast furnace slag (BFS) and quite non-traditional cement kiln by-pass dust (BD) for the preparation of alkali-activated binder. More specifically, the possibilities ... -
The effect of glass fiber storage time on the mechanical response of polymer composite
(MDPI, 2022-10-31)The growing demand for polymer composites and their widespread use is inevitably accompanied by the need to know their degradation behavior over a sufficiently long period of time. This study focuses on commercial glass ... -
Effect of Porosity Gradient on Mechanical Properties of Cellular Nano-Composites
(MDPI, 2020-03-01)With their hierarchical architectures incorporating gradients in composition, porosity, and orientation, natural materials have evolved optimized balance of mechanical properties. Deciphered from the structure of bamboo, ... -
Effect of Selected Commercial Plasticizers on Mechanical, Thermal, and Morphological Properties of Poly(3-hydroxybutyrate)/ Poly(lactic acid)/Plasticizer Biodegradable Blends for Three-Dimensional (3D) Print
(MDPI, 2018-10-03)This paper explores the influence of selected commercial plasticizers structure, which are based on esters of citric acid, on mechanical and thermal properties of Poly(3-hydroxybutyrate)/Poly(lactic acid)/Plasticizer ...