0183;The reuse of waste concrete powder (WCP) in the synthesis of alkali-activated binder (AAB) composites has never been investigated. Herein, this paper reports the study about the preparation of ultrafine waste concrete powder (UWCP) and its utilization in alkali-activated slag/fly ash binders.[
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The invention relates to the technical field of grouting materials, and particularly discloses an ultrafine basalt powder grouting material. The superfine basalt powder grouting material comprises the following components in parts by weight: 70-100 parts of Portland cement; 40-60 parts of superfine basalt powder; 3-8 parts of an accelerator; 1-5 parts of a dispersing agent.
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0183;High-end applications and processing technology of silica powder (ultrafine quartz powder), such as semiconductor chip packaging, copper-clad plate preparation, etc., are important areas of research and development at EPIC. Application of Basalt’s Acid Resistance in Various Industries Basalt, the main component of oceanic crust, is basic[سؤال
0183;The very feature that makes nanopowders so attractive for some applications, namely its high reactivity, can also lead to problems in handling and the preservation of reactive properties. As described above, as powder size decreases, explosibility increases and safe collection and encapsulation methods are critical [2]. It may be desirable for[سؤال
0183;Application of ultrafine metal powder injection moulding on tungsten components in fusion devices JIANG Xiang-cao1,2) 1) China National R&D Center for Tungsten Technology, Xiamen 361009, China 2) Xiamen Tungsten Co., Ltd., Xiamen 361009, China[سؤال
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Molecules 2021, 26, 5841 3 of 15 the ultrafine powder decreased; however, there were no significant (p > 0.05) differences between the samples at a grinding pressure at 0.1 MPa (No. 1 and No. 2
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0183;The mechanical properties and hydration mechanism of ultrafine ground granulated blast furnace slag powder (UFS)-cement-steel slag powder (SS) ternary cementitious material systems were studied.&سؤال
0183;In recent years, powder coatings are capturing more of the liquid coatings market due to their economical, ecological, environmental, and energy-saving benefits, yet their low surface qualities still hinder their wider application. In this study, ultrafine powder coatings (∼22 &سؤال
0183;Flowability greatly affects the application of ultrafine dry powder fire extinguishing systems, while hydrophobicity and acute inhalation toxicity are concerns for fire extinguishing agents. In the present study, we examined the impact of hydrophobic fumed silica on the hydrophobicity and flow properties of ammonium dihydrogen phosphate as the base.[سؤال
0183;With the rapid development of the power electronics in the third generation wide band semiconductor devices and 5 G communication, soft magnetic material are developing towards to high saturation magnetization, low loss, and high-frequency to the MHz and GHz [1], [2], [3], [4].Soft magnetic composites compressed by the powder metallurgy technique through[سؤال]
The materials, named basalt dust A and basalt dust B, were used to create cement slurries with a water–cement ratio of 0.5–0.7 with a wide range of percentage concentration of basalt dust.
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0183;Herein, ceramic waste (CW) powder and basalt fibre (BF) were used as inorganic filler and reinforcement, respectively, to prepare polyvinyl chloride (PVC)-based composites. The influence of the CW content on the rheological and mechanical properties of PVC-based composites was studied to attain a proper CW filling content.[سؤال
0183;Functional metal powders refers to the powder with some special functions after deep processing of rough products. Because of its special structure and performance, it has better performance than other powders in the fields of coating, battery and electronic industry [1], [2], [3].Functional metal powders mainly include silver based powder, copper based powder, nickel[سؤال
0183;The mechanical properties and hydration mechanism of ultrafine ground granulated blast furnace slag powder (UFS)-cement-steel slag powder (SS) ternary cementitious material systems were studied.سؤال
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Metal injection moulding (MIM) technology used for ultrafine pure W powders and rare earth oxides dispersion strengthened-W (ODS-W) powders was investigated, including ultrafine powders preparation, feedstock preparation, injection molding technology, sintering technology, and hot isostatic pressing treatment. This technology was applied to manufacture the tungsten
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0183;The article reflects the results of studies on influence of ultrafine silicon carbide powders on the properties of epoxy resin. The modifying additive of silicon carbide was used in a powder form, where the SiC amount was no less than 94% with the average particle size from 80 to 110 nm and the maximum agglomerate size to 15 mkm[سؤال
0183;1. Introduction. Steel slag is a by-product of steel manufacturing [].Approximately 160 kg of steel slag is generated per ton of steel produced [].The common chemical compounds in steel slag are SiO 2, CaO, Fe 2 O 3, Al 2 O 3, and MnO [3, 4].The major mineral components of steel slag are C 3 S, C 2 S, C 4 AF, RO phase, and free-CaO [5, 6].Many studies have shown&سؤال
0183;Ultra fine gold powder inelectronic pasteThe application of this technology has broad prospects, but its stability has always been a key factor restricting its widespread use. Our main products include flexible substrate coating, shielding materials, absorbing materials, precious metal slurries, and more
0183;In this study, ultrafine basalt powder (UBP) and basalt sand (BS) were utilized to replace fly ash and quartz sand, respectively, in the preparation of Engineered Cementitious Composites (ECC). The substitution rates of UBP and BS were established at 0%, 25%, 50%, and 100%. Uniaxial tensile experiments were conducted on the prepared ECC specimens to[سؤال
0183;Basalt is an igneous rock that developed during the cooling of magma during the earth's early eras. A pozzolana is a substance capable of interacting with calcium hydroxide (Ca (OH) 2) in the presence of water at room temperature to produce cementitious compounds (as C-S-H gel) []. In recent years, many researches were investigated that the use supplementary[سؤال
0183;The papers that describe basic stages in the production of continuous basalt fibers are reviewed. The effect of rheological and crystallization properties of basalt melts on the production of fibers is considered. It is established that the higher the ratio of viscosity to surface tension η/σ, the more stable the formation of fibers. The viscosity and crystallizability of the&سؤال
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Titanium carbide(TiC) is a technologically important ceramic material.Due to its special properties,such as high melting point,extreme hardness,high wear resistance,chemical and thermal stability,titanium carbide has many potential applications.The method and characteristics of preparation of ultrafine titanium carbide powder are summarized,some main points of some
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0183;Dynamic fracture experiments on basalt fiber reinforced reactive powder concrete (BFRRPC) were conducted using notched semi-circular bending (NSCB) specimens, aiming to investigate the Mode-I dynamic fracture characteristics. RPC has experienced rapid development in its application throughout this century, with broad prospects in nuclear&سؤال
0183;In past studies, common methods for imparting magnetism to non-magnetic inorganic fibers included mixing ultrafine magnetic powder with the raw materials of glass fibers in a certain proportion, melting them at high temperatures, and making magnetic glass fibers by drawing, or using a solvothermal route to load magnetic nanoparticles onto the surface of[سؤال
0183;Classification of ultrafine grinding technology in the food industry. Although food ultrafine powder has been around for a short time, it has been used in condiments, beverages, canned foods, frozen foods, baked foods, health foods, etc., and the effect is better. Application of ultrafine grinding technology in food processing. Soft drink[سؤال0183;The latter application has received much attention in recent years. Recently, ultrafine powder (<5 μm) has been proposed and applied to produce pressed powder pellets or matrix-matched calibration materials without the addition of any binder. (BCR-2, BHVO-2 (basalt powder), AGV-2 (andesite powder), and RGM-2 (rhyolite powder)) and two[سؤال0183;Over the last 20 years or so, a variety of new technologies has been developed to produce sub-micron powders. Among the products attracting interest is nanoaluminium which is being evaluated in[سؤال
0183;Powder Metallurgy process is one such most popular process in the field of FGM fabrication. Powder metallurgy. In powder metallurgy, four basic steps are followed which are mixing, stacking, pressing and sintering as explained in the flow chart (Fig. 62.2). Mixing is powder preparation, (precise weighing and blending the powder and ensure[سؤال
0183;BF has many advantages compared with other fibers: 1) Excellent mechanical properties [20]:BF has a tensile strength of 3000–4500 MPa and a modulus of elasticity of 80–100 GPa, which is better than aramid fiber, polyethylene fiber and polypropylene fiber.2) Unique high temperature resistance [21]: its softening point is 960 &سؤال
0183;the application of basalt powder. Therefore, the main objectives of this study are to evaluate the feasibility of adding basalt powder into UHSCMs, compare the fluorescence (XRF). This work also uses ultrafine silica sand with an average diameter of 0.1 mm and a density of 2.62 g/cm3. Table 2 presents the mix proportion of all samples[سؤال
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