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Fumed Silica-Based Ultra-High-Purity Synthetic Quartz Powder via Sol–Gel Process for Advanced Semiconductor Process beyond Design Rule of 3 nm [PDF]

open access: yesNanomaterials, 2023
Fumed silica-based ultra-high-purity synthetic quartz powder was developed via the sol–gel process to apply to quartz wares and quartz crucibles for use in advanced semiconductor processes. The process conditions of preparing potassium silicate solution,
Woo-Guk Lee   +2 more
exaly   +5 more sources

Influence of quartz powder and silica fume on the performance of Portland cement [PDF]

open access: yesScientific Reports, 2020
AbstractSupplementary cementitious materials interact chemically and physically with cement, influencing the formation of hydrate compounds. Many authors have analyzed the filler and pozzolanic effect. However, few studies have explored the influence of these effects on hydration, properties in the fresh and hardened states, and durability parameters ...
Ludmila Rodrigues Costa Tavares   +5 more
europepmc   +5 more sources

A Hydration Model to Evaluate the Properties of Cement–Quartz Powder Hybrid Concrete [PDF]

open access: yesMaterials
Although quartz powder is a common concrete filling material, the importance and originality of this study lies in the development of a hydration model for quartz powder–cement binary mixtures and the adoption of this model to predict the development of ...
Xiao-Yong Wang, Wang Xiao-Yong
exaly   +3 more sources

The Influence of Quartz Powder on the Mechanical–Thermal–Chemical–Durability Properties of Cement-Based Materials

open access: yesApplied Sciences (Switzerland)
Using 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, Seokhoon Oh, Chunhua Lu
exaly   +4 more sources

Understanding the Role of Quartz Powder Content and Fineness on the Micro-Structure and Mechanical Performance of UHPC

open access: yesBuildings
To enhance the microstructure and mechanical properties and to optimize the formulations of high-strength and high-flow ultra-high-performance concrete (UHPC), the effects of different quartz powder contents, fineness, and curing temperatures of UHPC ...
Yongsheng Li   +2 more
exaly   +4 more sources

Mineralogical and chemical characteristics of a powder and purified quartz from Yunnan Province

open access: yesOpen Geosciences, 2016
For comprehensive utilization of powder quartz, a detailed mineralogical analysis is needed. In this paper, the minerals collected from a powder quartz deposit in Yunnan Province and its purification products were characterized by X-ray diffraction (XRD),
Wei-Gang Yang   +2 more
exaly   +3 more sources

Effect of Curing Temperature on High-Strength Metakaolin-Based Geopolymer Composite (HMGC) with Quartz Powder and Steel Fibers. [PDF]

open access: yesMaterials (Basel), 2022
Geopolymer is a new type of synthesized aluminosilicate material. Compared with ordinary Portland cement, it has better fire resistance and durability, and is more environmentally friendly.
Li Q   +8 more
europepmc   +2 more sources

Investigation of Fibers Reinforced Engineered Cementitious Composites Properties Using Quartz Powder. [PDF]

open access: yesMaterials (Basel), 2020
In relation to the use of retrofit materials on damaged constructions, application on earthquake-resistant buildings, and for the strengthening and rehabilitation on weakened regions, there is a need for a more superior material than concrete ...
Liew MS   +4 more
europepmc   +2 more sources

Quartz Powder Valorisation in White Self-Compacting Concrete: Mortar Level Study

open access: yesApplied Sciences, 2023
Quartz powder (QP) from mining exploration has increased, and valorisation solutions are sought. QP incorporation in structural concrete is an exciting strategy for the growth and sustainable development of the concrete industry, waste management and ...
Ana Mafalda Matos   +2 more
doaj   +2 more sources

Analysis of Hydration Strength and CO2 Emissions of Cement–Quartz Powder Binary Blends Considering the Effects of Water/Binder Ratios and Quartz Contents

open access: yesApplied Sciences
Low-carbon design has become increasingly important in the cement and concrete industry. Previous studies have primarily focused on the impact of different types of admixtures on the carbon emissions of concrete while overlooking the influence of the ...
Bo Yang, Xiao-Yong Wang
doaj   +2 more sources

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