Results 21 to 30 of about 40,441 (143)
INVESTIGATION OF THE PROPERTIES OF THE SUSPENSIONS FOR NON-STICK COATINGS FOR FOUNDRY
Литьë и металлургия, 2015 The research aimed at figuring out dependence of the technological properties (density, thickness of the coating, reduced strength and sedimentation stability) of the suspensions for nonstick coatings on the for activation time powder quartz graphite ...
T. Gil’manshina +5 more
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Crystals, 2022 With the development of synthetic gem technology, a large number of synthetic rock crystals, such as natural and synthetic amethyst and natural and synthetic smoky quartz, have emerged in the market.
Kaichao Liu, Ying Guo
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Applied SciencesUsing industrial by-products to replace cement is an important way to reduce carbon emissions in the cement industry. The purpose of this article is to understand the effect of quartz powder on the properties of cement-based materials.
Gui-Yu Zhang +5 more
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Mechanical Behavior of Reactive Powder Concrete Made From Local Material Subjected to Axial Pressure
Frontiers in Materials, 2021 In order to investigate the influence of various parameters on the compressive strength and fluidity of reactive powder concrete (RPC) made from local materials, 22 groups of RPC cubic specimens and 3 groups of RPC prism specimens were designed, and the ...
Jing Ji +9 more
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Effect of Mineral Crude Materials on Physical and Chemical Properties of Mold Powder
Teshugang, 2016 The effect of quartz, wollastonite, fluorite and soda-ash on melting point, viscosity, crystallization temperature and critical cooling rate of mold powder has been studied by mold powder series (/% ：29-39 cement grog, 8 borax ,16-24 quartz, 11-19 ...
刘磊 +4 more
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International Journal of Emerging Research in Engineering, Science, and ManagementConcrete remains a mainstay among construction materials despite ongoing improvements to enhance its environmental friendliness and effectiveness. This study explores the effects of adding quartz and eggshell powder to concrete.
Allu Taraka Rama Rao +2 more
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FORMULATION OF SELF-COMPACTING CONCRETE USING RAW MATERIALS OF THE NORTH CAUCASUS
Вестник Дагестанского государственного технического университета: Технические науки, 2016 Aim. The paper considers the issues associated with the development of formulations of self-compacting concrete.Methods. The basis of the preparation of such concrete is necessary to use effective modern modifiers that improve the rheological properties ...
S.-A. Y. Murtazaev +2 more
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Reaction of quartz glass in lithium-containing alkaline solutions with or without Ca [PDF]
Royal Society Open Science, 2018 The exact role of lithium ions (Li+) in controlling alkali–silica reaction is still unclear. Thus, the effects of Li+ on the reaction between reactive silica (quartz glass) and hydroxyl in alkaline solution with or without Ca were investigated by quartz ...
Baofu Zhou, Zhongyang Mao, Min Deng
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Case Studies in Construction MaterialsThis study aimed to prepare poorly ordered calcium silicate hydrate (C-S-H) via the hydrothermal synthesis method, using ground quartz sand powder and lime as starting materials. The fineness of quartz sand powder under different grinding time and varied
Guangxiang Ji +5 more
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Fabrication and microstructure of quartz ceramics with orderly–arranged carbon filler
Heliyon, 2018 Ceramics with tailored pore structure are showing potential applications in some special fields. For fabricating quartz ceramics with orderly–arranged carbon filler, a combination of 3D printing, vacuum suction filtration and sintering was explored to ...
Xiangming Li +6 more
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