Results 21 to 30 of about 72,062 (285)

Experimental study of the mechanical properties and microstructure of geopolymer paste containing nano-silica from agricultural waste and crystalline admixtures

open access: yesCase Studies in Construction Materials, 2022
This study explored the influence of nano-silica and Crystalline Admixture (CAs) on the mechanical properties and microstructure of geopolymer pastes. Nano-silica and CAs was added to the mixture at 3%, 4% and 5% respectively by weight of fly ash.
Ar Razi Alvee   +7 more
doaj   +1 more source

Nano silica dispersion in epoxy: the investigation of heat, milling speed and duration effect [PDF]

open access: yes, 2008
Nano composites are a promising development but the challenge of homogenous and discrete dispersion of the nano fillers are barriers that must be overcome before they can be effectively implemented. Although the common dispersion methods such as particle
Choong, Kooi Chee   +5 more
core   +1 more source

Propiedades reológicas y mecánicas de un hormigón autocompactante con adición de nano-sílice y micro-sílice

open access: yesRevista ALCONPAT, 2016
Propiedades reológicas y mecánicas de un hormigón autocompactante con adición de nano-sílice y micro-sílice RESUMEN El hormigón autocompactante es el resultado de diseñar mezclas de calidad con capacidad para asegurar su correcta colocación en ...
E. Sánchez   +3 more
doaj   +1 more source

Pullout behavior of polypropylene macro-synthetic fibers treated with nano-silica [PDF]

open access: yes, 2015
A study of the effects of nano-silica treatment on the bonding properties of macro synthetic polypropylene fibers embedded in a cement matrix is provided in the present paper as a step to improve interfacial properties of the fiber reinforced ...
Bondioli, Federica   +3 more
core   +1 more source

A "water shell" model for the dielectric properties of hydrated silica-filled epoxy nano-composites [PDF]

open access: yes, 2007
The electrical properties of epoxy resin have been studied as a function of hydration. The epoxy was studied in an un-filled state, filled with 40 µm SiO2 particles, and filled with 50 nm SiO2 particles.
Fothergill, J., Rowe, S. W., Zou, C.
core   +1 more source

APLIKASI PUPUK SI ORGANIK DENGAN PUPUK N,P,K DALAM MENINGKATKAN P DAN SI TANAH PADA INCEPTISOL JATINANAGOR TERHADAP RESPON TANAMAN HANJELI (Coix lacryma Jobi L.)

open access: yesAgric, 2018
The objective of this research was to determine the effect of combinations of N, P, K and organic silica fertilizers In Soil P and Si and growth Of Job’s Tears (Coix Lacryma Jobi L.). This research began on May 2017 to October 2017.
Eso Solihin   +3 more
doaj   +1 more source

Effect of Modified Nano Silica on the Conductivity and Morphology Characteristics of Oxalic Acid-Doped Polyaniline Composites

open access: yesInternational Journal of Electrochemical Science, 2021
Oxalic acid-doped polyaniline (OA-PANI) was incorporated with nano silica and amino silane-modified nano silica. The polymerization of aniline to produce OA-PANI incorporating nano silica (OA-PANI-NS) and PANI incorporating 3-amino-propyltriethoxysilane ...
Amirah Amalina Ahmad Tarmizi   +2 more
doaj   +1 more source

Influence of Nanosilica on Mechanical Properties, Sorptivity, and Microstructure of Lightweight Concrete [PDF]

open access: yes, 2019
This study presents the results of an experimental investigation of the effects of nanosilica (NS) on the strength development, transport properties, thermal conductivity, air-void, and pore characteristics of lightweight aggregate concrete (LWAC), with ...
Abd Elrahman, Mohamed   +4 more
core   +1 more source

Influence of the Production Process Conditions on the Specific Surface Area of Olivine Nano-Silicas [PDF]

open access: yes, 2012
The production of nano-silica by the olivine route is a cheaper and greener method than the commercial methods (neutralization of sodium silicate solutions and the flame hydrolysis) because of the low cost of raw materials and the low energy ...
Brouwers, H.J.H., Geus, J.W., Lazaro, A.
core   +5 more sources

Effect of colloidal silica nanoparticles produced from rice husk on dimensional stability and water absorption of poplar wood (Populus deltoides) [PDF]

open access: yesتحقیقات علوم چوب و کاغذ ایران, 2014
This research was conducted to determine the physical properties of poplar wood treated with silica colloidal nanoparticles prepared from rice husk using ash making and alkaline digestion.
Sarveh Hosseinzadeh   +2 more
doaj   +1 more source

Home - About - Disclaimer - Privacy