This effect is characteristic of all fibers and partly results from the consumption of a fraction of mixing water and cement paste for coating the surface area of the fibers [6]. ... fracture energy and abrasion resistance. An increase in flexural strength up to 9% (F12/45/4 mixture) and 13% (F24/60/4 mixture) could be obtained with the use …
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 …
The experiment results have shown that the Nickel-based composite coating is equipped with low crack sensitivity and high abrasive resistance with austenitic stainless net and the rare earth oxide ...
Ultra-high-performance fiber reinforced concrete (UHPFRC) is an advanced cementitious composite material that integrates a high-performance concrete matrix and fiber reinforcement. This review paper provides an overview of the constituents, properties, and real-world applications of UHPFRC. It covers the critical stages of UHPFRC, such …
Bamboo-fiber-reinforced composites have a promising prospect due to their light weight and high strength, low energy consumption, corrosion resistance and …
In this study, the wear resistance of a structural steel and three grades of wear resistant steel was evaluated with granite abrasive in tests simulating the conditions in heavy …
Under such stresses, materials offering high toughness show greater resistance to this type of wear as they dissipate the energy released by the implosion of the cavities. …
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 …
In order to determine the effect of BF addition on compressive strength and abrasion resistance, cube specimens with dimensions of 100 mm and 71 mm were cast respectively.Additionally, density, water absorption and void content were determined on 100 mm cube specimens.Furthermore, 20 notched beams (2 for each mixture) with …
Basalt fiber (BF) has a high mechanical strength, excellent temperature resistance, good chemical stability, low energy consumption, and an environmentally friendly production process. In addition, BF-reinforced polymers (BFRPs) have good corrosion resistance and designability; thus, they meet the application requirements of …
Wang et al. found that the fraction, morphology, and distribution of the hard phases can distinctly influence the abrasive wear resistance of laser-cladded tool …
abrasion resistance, and energy absorption capacity. Test results indicate that using CR aggregate decreases compressive strength and abrasion resis-tance of the concretes, but increases energy absorp-tion capacity significantly. Keywords Waste rubber Blast furnace slag Abrasion resistance Energy absorption 1 Introduction
The martensitic stainless steel showed the best impact–abrasion–corrosion resistance in weakly acidic slurry under the high impact energy of 5 J compared with …
A series of poly(AA-co-BA-co-BPA) were synthesized by free radical polymerization.The C-3 coating with a BA/AA mass ratio of 0.2/2 was considered to have the best anti-fog performance [[26], [27], [28], [29]].For the preparation of the coating, BPA can extract hydrogen atoms from the base under UV irradiation, which leads to the …
Laboratory tests were done on high-volume fly ash concrete (HVFAC) to examine its compressive strength, flexural strength, water absorption, abrasion resistance, impact resistance, and acid resistance. A total of six different concrete mixes were created by replacing varying percentages of cement with fly ash, ranging from 0 to 70% by mass.
1. Introduction. Nowadays, the energy saving is an important concept due to the limitation of energy resources and environmental issues. The Portland cement (PC) is the most widely used building material (Kupwade-Patil et al., 2018, Maddalena et al., 2018).Indeed, about 4.2 billion tons of PC was manufactured globally in 2014 (Chen et …
Electron mobility (0.2–0.3 m 2 /Vsec), optical band gap (∼3.37 eV), high exciton binding energy (60 meV), low toxicity, ... high infrared reflectance, good chemical stability, abrasion resistance, and electrical properties, high cost due to the limited reserve of indium, bandgap (∼4.7 ... (Sr 1-x Ba x TiO 3, BST) NA: Chemically ...
1. Introduction. Tires are widely used in modern society and various industries. Fuel consumption, safety, and service life are related to the rolling resistance, wet-skid resistance, and wear resistance of tires, respectively [1], [2], [3], [4].However, it is very challenging to simultaneously balance low rolling resistance, high wet-skid …
Therefore, improving wear resistance is critical for reducing production costs, mineral resources, and energy consumption. Compared with high manganese …
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 …
There is an increased demand for abrasive wear-resistant coatings that add durability to steel hydraulic structures, particularly for those subjected to flowing water with debris and alternate wet/dry cycles. These coating systems provide not only corrosion and chemical resistance, but also good erosion and abrasion resistance to the metallic …
Investigations on worn surface and subsurface were carried out using SEM, XRD, and microhardness measurement. It was found that the highest microhardness of …
3.5. Abrasion Resistance of fANF Reinforced Rubber Compounds Abrasion resistance is one of the most significant tire performance metrics because it is related to tire tread wear. Thus, the abrasion resistance of the fANF reinforced rubber compounds was evaluated using a DIN abrasion tester to evaluate their performance relative to the baseline.
abrasion resistance and highest notched impact strength of any commercial plastic. Figures 1 and 2 show a comparison of abrasion and impact strengths with those of other materials. Combined with abrasion resistance and toughness, the low coecient of friction of UHMWPE yields a self-lubricating, nonstick surface. Static and dynamic coecients of
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 …
Abrasion resistance testing is an important part of product development, especially regarding materials used in high-wear applications. Abrasion resistance testing helps determine how long a …
show excellent abrasion resistance and better impact energy absorption 2–4. All these properties make UHMW polymers a sought-after product in the present market.
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
Abrasion resistance is one of the most important durability properties of concrete. Especially, highway, airport and industrial floor pavements should be resistant to abrasion. Recently, many research studies have been carried out on the utilization of industrial by-products in concrete. Granulated blast-furnace slag (GBFS) and bottom ash …
The high wear resistance of Co-based alloy coatings correlates to the formation of hard phases within their microstructures such as chromium, tungsten, molybdenum, and niobium carbides, while the …
When the combined effect of GBFS and BA is considered, it can be said that the abrasion resistance increases. Specimens C1 and C2 are highly resistive to …
A carbon black with good abrasion resistance and low hysteresis that is relatively easy to disperse with fast incorporation and good dispersion. Offers reinforcement similar to compounds made with ASTM N300 series carbon blacks but with a …
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 …
The surface morphology of coatings is directly related to the super-hydrophobic performance. SEM images (Fig. 2 a) show that a dense and uniform nano-SiO 2 particle structure is formed on the surface.EDS mapping results in Fig. 2 b show the uniform distribution of F and Si element, indicating that the nano-SiO 2 particles are well …
The grinding media can adapt to most milling conditions and have a favourable cost-to-wear ratio. Low-alloy high-carbon steels are the strongest, hardest, and least ductile; therefore, they offer high resistance to abrasive wear compared to other steels when used in the tempered form [26,27]. Their hardened and tempered form …
Previous studies indicated that factors including the composition of cementitious materials, the aggregate type, and fiber content had markable impact on the abrasion resistance of concrete [9], [10].Choudhary et al. [11] investigated the impact of the addition of silica fume on the abrasion resistance of high strength self …
