Compressive Strength, Permeability, and Abrasion Resistance …
Extensive use of cement in the construction industry increases CO2 emissions and has a negative impact on the environment. In this work, recycled coarse aggregate (RCA) from construction and demolition wastes (C&DW) was used to fabricate sustainable pervious concrete (PC). In order to mitigate the environmental hazards of …
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Improved abrasion-resistant coatings using designed …
The superior abrasion resistance of the coatings could be attributed to the enhanced strength of the silicone-acrylic matrix and the optimized selection of ZrO 2 particles, which contrasted with the larger, softer particles (e.g., CaCO 3, mica powder, bentonite) used in commercial coatings to reduce costs, subsequently lowering their …
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Enhancement of thermal conductivity and abrasion …
Additionally, BC-WP composites contained boron carbide with low density and high hardness (Mohs hardness of 9.3), which provided a stronger surface protection for …
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Developing Super-Hydrophobic and Abrasion-Resistant …
These techniques involve high energy consumption and use of inorganic or non-metallic nanomaterials (e.g. SiO 2, ... Although fluoropolymer coatings are known to have high abrasion resistance, no attempts have been made to date to improve abrasion resistance of wool fabrics using fluoropolymer coatings or deposition of fluoropolymers …
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Recent developments in abrasion resistant high chromium …
Advances in the technology of abrasion resistant irons and steels, which could help in combating abrasion and wear in the extraction and utilization of energy resources, are reviewed. Nodular irons alloyed with nickel or copper and molybdenum, with acicular, bainitic or bainitic-martensitic microstructures are described. These alloy irons combine …
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Compressive strength, abrasion resistance and energy …
Abrasion resistance Energy absorption 1 Introduction Cement-based concrete is a brittle material with high rigidity. In certain applications—such as foundation pads, traffic …
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Preparation technology of Nano-SiO2 super-hydrophobic …
The abrasion resistance of the coating was tested by the combination of water contact angle (WCAs) and cyclic abrasion experiments. The results identified that the maximum WCA of the coating was up to 161.6°, and the coating surface maintained the super-hydrophobic after 100 times of abrasion.
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Developing Super-Hydrophobic and Abrasion-Resistant …
2.4. Characterisation of Abrasion Resistance. After the plasma treatment, the samples were characterised for abrasion resistance in a Martindale tester following …
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Compounds | Conveyor Belts | YOKOHAMA RUBBER Co., …
High abrasion resistance: AA: A: A: UWR: ... Remarkably Reduce Energy Consumption. Specially developed high elasticity compound reduces energy loss. Side-by-side comparison of power consumption with Conventional & Energy Saving Conveyor Belt. ... LOW-MEDIUM TEMPERATURES: Hamaheat® ...
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EBECRYL® 820
EBECRYL® 820 is a low viscosity polyester acrylate oligomer, with exceptional pigment wetting properties. This combined with the low viscosity of this material makes it ideal as a pigment grinding resin. EBECRYL® 820 also gives a fast cure response when formulated with other oligomers and cured via ultraviolet light (UV) or electron beam (EB).
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High-Stress Abrasion and Impact-Abrasion Testing of …
abrasive size distributions were chosen to cause the most severe wear conditions within the limits of the testing devices. The abrasive was crushed and angular in shape. 2.2. Methods The materials were tested using two high-stress abrasive and one high-stress impact-abrasive wear testing method. The equipment was designed and
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Abrasion Resistant Material
A ball mill consists of a hollow cylindrical chamber (Fig. 11.2) which rotates about a horizontal axis, and the chamber is partially filled with small balls made of steel, tungsten carbide, zirconia, agate, alumina, or silicon nitride having diameter generally 10 mm.The inner surface area of the chamber is lined with an abrasion-resistant material like …
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Environmental Impact and Life Cycle Cost Analysis of
A key factor contributing to the environmental burden of the uncoated system is the high energy consumption required for de-icing. The levelized cost of …
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Abrasion resistance and slake durability of copper slag …
The abrasion resistance is defined as the ability of a concrete surface to resist being worn away by rubbing action and wear is the net result in terms of material loss due to the extent of abrasion [13,14]. The ability of the material mass to resist physical breakdown into smaller sizes, particularly due to the effects of erosion and cyclical ...
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Wear behavior and work hardening of high strength steels in high …
Effect of prior austenite grain size on the abrasive wear resistance of ultra-high strength martensitic steels. ... Global energy consumption due to friction and wear in the mining industry ... Effects of microstructure on crack resistance and low-temperature toughness of ultra-low carbon high strength steel. International Journal of Plasticity ...
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Abrasive wear resistance of some commercial abrasion resistant steels
The aim of the present study is to evaluate the abrasive wear resistance of some potential abrasion resistant steels exposed to different types of abrasive wear contact conditions typical of mining and transportation applications. The steels investigated, include a ferritic stainless steel, a medium alloyed ferritic carbon steel and a medium …
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Abrasive Wear of High-Carbon Low-Alloyed Austenite Steel: …
1. Introduction. Friction and wear are responsible for about 20% of total world energy consumption [].The most aggressive type of wear is abrasive wear (AW); it is responsible for significant losses of material in such industries as the mining sector [2,3].AW is a process of multiple chaotic interactions of harder asperities with softer surface under …
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Research on Impact–Abrasion–Corrosion Behavior of …
studied by impact–abrasion–corrosion test under high impact energy. The structure, mechanical properties and corrosion resistance of the steels have also been characterized.
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Superhydrophobic surfaces with excellent abrasion resistance …
For the superhydrophobic surface formation, randomly stacked SBA-15 generated microstructures and nanostructures which, in combination with BA-a (low-surface-energy material), rendered the surface in the Cassie state, leading to superhydrophobicity. As to the excellent abrasion resistance, randomly stacked SBA …
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Design and application of UHPC with high abrasion resistance
Based on our previous studies, a UHPC matrix (NL0, with mixture shown in Table 3) is used as the control mixture, and an optimized anti-abrasion UHPC can be designed via a one-factor-at-a-time (OFAT) approach.The impacts of factors including, the effect of MS needle-like content, steel fiber dosage, ICA dosage, as well as the …
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Machines | Special Issue : High Precision Abrasive …
Dear Colleagues, High-precision abrasive machining is an essential process for high-value manufacturing. It involves machines, processes and systems often reflected in high-performance grinding and/or abrasive machines, a complex abrasive cutting process, super-hard grinding wheels or ultra-thin abrasive blades, automated high …
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Effect of QPQ Technology on Mechanical Properties and …
The workpiece treated with QPQ has good abrasion resistance and high corrosion resistance. The surface of the oil pipe is prone to rust, which inevitably affects its performance in the well. ... Consumption can be added according to the manufacturer's instructions. Because of its good wear ... small deformation and low energy …
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Durability Performance of Geopolymer Concrete: A …
Polymers 2022, 14, 868 2 of 30 utilization of raw materials is required for geopolymer cement production. The source of energy consumption, which is required to produce geopolymer concrete, could be
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Enhancing Corrosion Resistance and Tribomechanical …
The Faradic corrosion reaction is also indicated by the charge transfer resistance (Rct), and Rw signifies the Warburg resistance of the coating. In the …
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The past, present and future of high-performance fibers
For instance, polyimide fibers exhibiting a broader temperature resistance range (–267 to 550°C) have been developed to offer superior heat and weather resistance. Cross …
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Effect of reactive monomers on polymer structure and abrasion …
Abrasion resistant UV-curable coatings were prepared by mixing an aliphatic urethane diacrylate and different reactive diluents with the aim to bring into light the influence of monomer backbone and functionality on thermomechanical properties and more specifically on abrasion resistance.Therefore, the interdependence between …
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High wear-resisting,superhydrophobic coating with well aging resistance …
The SH surface can be divided into two types according to the different mobility of water on the surface, low water adhesion surface, and high water adhesion surface. And low water adhesion surface, which behaves as a "Cassie" surface, such as a lotus surface, has low surface energy and micro-nano structure, with high contact …
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Improved abrasion-resistant coatings using designed …
The abrasion resistance is evaluated by using a grinding ball to reciprocately rub the sample surface with constant pressure, and measure the abrasion …
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Corrosion and abrasion behavior of high-temperature …
This paper presents a study on the wear and corrosion resistance of 20MnCr5 steel after high-temperature carburization with microalloying of Nb and B. The results of this study provide valuable insights for the promotion of high-temperature carburizing technology and support the demand for energy conservation and consumption …
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High abrasion-resistant biobased composite coatings with …
High abrasion-resistant biobased composite coatings with improved hardness and corrosion resistance performance based on natural lacquer and SiC nanowires. ... Due to the large amount of resources and energy consumption caused by wear, coating protection on the surface of matrix is the most convenient way to make the …
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Effect of thermo-mechanical processing on the low impact abrasion …
Low carbon high alloy (Cr-Ni-Mo) steels give higher impact wear resistance but they have less ductility than the high manganese steels, and also the higher cost of nickel limits its use in practical applications [11].High chromium cast iron has lower wear resistance than the Hadfield steel [12].Hence, researchers have tried to modify …
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High temperature abrasion resistance of differently welded …
The high temperature continuous abrasion test (HT-) is based on a rotating wheel and a pressed-on sample with an abrasive flow in between as seen in Fig. 1, similar to the ASTM G65 abrasion test. To enable high temperature tests an inductive heating is used for the sample and the latter is pressed onto a Hardox ® 400 steel wheel …
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Replacing Plastic with Bamboo: A Review of the Properties …
The addition of ZrO 2 gave the composites better strength and abrasion resistance compared to TiO 2-filled composites. ... Bamboo-fiber-reinforced composites have a promising prospect due to their light weight and high strength, low energy …
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Formation of high-carbon abrasion-resistant surface layers when high
The samples used for the surface hardening wer e the ba rs with the ... significantly increase the abrasive wear resistance of high manganese steel by up to 50%, and the method itself can be ...
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Fabrication of multiscale structured hydrophobic NiCrZrN coating …
Benefiting from the multiscale structure, the contact angle of coating surface is up to 135.6°. More importantly, the coating shows not only high mechanical properties but also superior abrasion resistance. The contact angle is still as high as 130° after 70 cycles using 1400 cm sandpaper abrasion test under the pressure of 10 kPa.
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