Results 181 to 190 of about 92,049 (241)

Enhancing printability of 3D printed concrete by using metakaolin and silica fume

open access: yesStructural Concrete, EarlyView.
Abstract This study investigates the effects of incorporating metakaolin (MK) and silica fume (SF) on the fresh and hardened properties of 3D printed concrete (3DPC). Five mix designs were prepared with MK replacement levels of 0%, 10%, 12.5%, and 15%, along with one mix containing 10% MK and 5% SF.
Marwah M. Thajeel   +2 more
wiley   +1 more source

Novel temporary endodontic medication based on calcium silicate strategy: a biological and physicochemical study. [PDF]

open access: yesFront Dent Med
El Hachem C   +9 more
europepmc   +1 more source

Development of Polyurethane‐Based Composites With Salt Clay and Industrial Wastes as Fillers: Corrosion, Mechanical Properties, and Machine Learning Insights

open access: yesJournal of Vinyl and Additive Technology, EarlyView.
ABSTRACT In this study, a polyurethane‐based composite is developed by incorporating salt clay, ulexite, colemanite, and various other industrial waste materials. The effects of these fillers on the composite are evaluated and modeled using machine learning techniques.
Mustafa Dağ   +4 more
wiley   +1 more source

Nitridogermanates(IV): The Germanide Oxide Sr15Ge[GeN4]3O, the Carbodiimide Ba5[GeN4][CN2] and the Oxidonitridogermanate Sr6[Ge2N6O]

open access: yesZeitschrift für anorganische und allgemeine Chemie, Accepted Article.
We have encountered various novel compounds by serendipity, due to small oxygen or carbon impurities, during our explorative studies to explore the crystal chemistry of multinary germanium nitrides and nitridogermanates. With oxygen in a closed reaction container both the germanide nitridogermanate(IV) oxide Sr15Ge[GeN4]3O and the ...
Lukas Link, Rainer Niewa
wiley   +1 more source

Crystallographic, electronic and vibrational properties of 2D silicate monolayers

open access: yesJournal of Applied Crystallography, Volume 58, Issue 2, Page 349-362, April 2025.
The present work reports a density functional theory investigation of the structural, electronic, Raman and infrared properties of the (001) monolayer of phlogopite [K(Mg,Fe)3Si3AlO10(OH)2, with Mg/Fe ratio ≥ 2] and how they change with different Fe2+/Mg2+ substitutions in the octahedral sheet.Phyllosilicates are promising materials for optoelectronic ...
Gianfranco Ulian, Giovanni Valdrè
wiley   +1 more source

Cs4Ca[Si8O19]: a new mixed tetrahedral–octahedral oxosilicate, its topological features and comparison with other interrupted framework silicates

open access: yesActa Crystallographica Section B, EarlyView.
The crystal structure of the mixed tetrahedral–octahedral framework silicate Cs4Ca[Si8O19] has been solved. A topological analysis of the present compound and other interrupted framework silicates is presented.Single crystals of a previously unknown caesium calcium silicate with the composition Ca4Ca[Si8O19] have been obtained during a systematic study
Volker Kahlenberg
wiley   +1 more source

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