Results 41 to 50 of about 2,521,435 (200)

Effects of N-Vinylcaprolactam Containing Polyacids and Zirconia on Mechanical Properties of Commercial Glass Ionomer Cements [PDF]

open access: yesJournal of Dental Materials and Techniques, 2020
This study aimed to investigate the impact of N-vinylcaprolactam (NVC) and Nano-sized yttria-stabilized zirconia (YSZ), separately and simultaneously, on the mechanical properties of the commercial glass ionomer cements (GICs).
shabnam aslani   +2 more
doaj   +1 more source

OBTAINING CLINKERLESS CEMENTS THROUGH THE SYNTHESIS OF BASIC SOLUTIONS OF SODIUM SILICATE FROM SILICA-CONTAINING ROCKS

open access: yesВестник Дагестанского государственного технического университета: Технические науки, 2019
Objectives The creation of clinkerless cements that do not require high-temperature processing and significant natural resources, at the same time as exhibiting good technical parameters, seems to be an important research task.
M. Sh. Salamanova   +3 more
doaj   +1 more source

Proposal for a simple polarization converter based on integrated optical ion exchanged waveguide [PDF]

open access: yes, 2010
A simple, compact, low-cost electro-optic polarization converter based on a nematic liquid crystal (LC) sandwiched between two ion-exchanged glass channel waveguides is proposed.
Zheng, Jie   +14 more
core   +1 more source

Optimization of External Render Formulations Based on Liquid Glass

open access: yesMedžiagotyra, 2013
This work focuses on the adjustment of formulations to determine the influence of the main component quantities on render properties. The purpose of the research is to create external silicate renders with high properties by changing the quantities of ...
Marijonas DAUNORAVIČIUS   +3 more
doaj   +1 more source

Effect of Borax On Sintering Kinetics, Microstructure and Mechanical Properties of Porous Glass-Ceramics From Coal Fly Ash by Direct Overfiring

open access: yesFrontiers in Chemistry, 2022
The direct sintering process of coal fly ash for the preparation of glass-ceramics is the liquid-phase sintering process, from non-densification to densification.
Li Zeng   +3 more
doaj   +1 more source

Exploratory Study on the Load-Bearing Behaviour of Laminated Glass Beams Exposed to Fire

open access: yes, 2022
All-glass structures have become increasingly popular with architects and builders in recent years. Glass surfaces are becoming larger and more impressive, while connections are being decreased to obtain maximum transparency.
Lohr, Katharina (author)   +5 more
core   +1 more source

Using obsidian in glass art practice

open access: yesVolcanica, 2022
Glass art practice is indivisible from the material behaviour of glass at a range of working conditions, providing a direct link with the science of glass and melts.
Fabian Ben Wadsworth   +16 more
doaj   +1 more source

Investigation of the effect of vacuum on the curing of mixtures on a silicate binder

open access: yesЛитьë и металлургия, 2021
The article presents the results of a study of the effect of vacuuming on the curing processes of liquid‑glass mixtures. The method of conducting experiments using an original laboratory vacuum installation and the mechanisms of curing a liquid‑glass ...
O. A. Rusevich, S. L. Rovin
doaj   +1 more source

Cu-based bulk amorphous alloy with larger glass-forming ability and supercooled liquid region

open access: yes, 2008
The glassy rod with a maximum sample thickness of 11 mm and larger supercooled liquid region of 108 K was successfully fabricated when substituting Cu with minor amount of Ag in the Cu-Zr-Al-Gd alloy system.
Fu, H. M.   +3 more
core   +1 more source

Heat-resistant ferrochrome slag based concrete

open access: yesИнженерно-строительный журнал, 2014
In the construction materials industry, expensive refractories (fire clay, silica, high- aluminous, etc.), are used as the main lining materials which despite their high fire resistance are inefficient for the use in thermal aggregates with an operation ...
M.T. Zuginisov   +3 more
doaj   +1 more source

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