Results 171 to 180 of about 8,922 (227)

Nanopowders for advanced ceramics

, 2011
Mikhno, Svitlana Vasylivna, Bilokur, M.
openaire   +1 more source

Comparative Evaluation of Microtissue-Engineered Root Dentin with Three Different Nanoparticles in Improving Fatigue Resistance of Endodontically Treated Teeth - An <i>In Vitro</i> Study.

J Pharm Bioallied Sci
Balavaishnavi G, Chakravarthy D, Shajahan S, Sornamalar M, Raja SV.   +4 more
europepmc   +1 more source

Consolidation of Hierarchy-Structured Nanopowder Agglomerates and Its Application to Net-Shaping Nanopowder Materials [PDF]

Materials, 2013
This paper provides an overview on our recent investigations on the consolidation of hierarchy-structured nanopowder agglomerates and related applications to net-shaping nanopowder materials. Understanding the nanopowder agglomerate sintering (NAS) process is essential to processing of net-shaped nanopowder materials and components with small and ...
Jai-Sung Lee, Joon-Phil Choi, Geon-Yong Lee   +2 more
exaly   +4 more sources

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LaCoO3 Nanopowders by XPS

Surface Science Spectra, 2001
Mixed oxide materials belonging to the perovskite family (ABO3, LaCoO3) have come under intense scrutiny for their possible applications in different scientific and technological fields, such as heterogeneous catalysis, oxygen sensors, solid oxide fuel cells and magnetic media.
L Armelao, M Bettinelli, G Bottaro, D Barreca, E Tondello   +4 more
openaire   +3 more sources

Ignition and Passivation of Nanopowders and Compact Samples Made of Nanopowders

2020
It is experimentally shown that at the temperature lower than 0 °C, Ni nanoparticles do not ignite in dry air; however, passivation occurs and provides the further stability of nanoparticles at room temperature. It is shown that the samples of Ni nanoparticles passivated in dry air contain only nickel. By means of the scanning electronic microscopy and
Nikolai M. Rubtsov, Boris S. Seplyarskii, Michail I. Alymov   +2 more
openaire   +1 more source

Photoactive Porous Silicon Nanopowder

ACS Applied Materials & Interfaces, 2013
Bulk processing of porous silicon nanoparticles (nSi) of 50-300 nm size and surface area of 25-230 m(2)/g has been developed using a combustion synthesis method. nSi exhibits consistent photoresponse to AM 1.5 simulated solar excitation. In confirmation of photoactivity, the films of nSi exhibit prompt bleaching following femtosecond laser pulse ...
Benjamin H, Meekins, Ya-Cheng, Lin, Joseph S, Manser, Khachatur, Manukyan, Alexander S, Mukasyan, Prashant V, Kamat, Paul J, McGinn   +6 more
openaire   +2 more sources

Ignition and explosion risks of nanopowders

Journal of Hazardous Materials, 2010
Characterization methods with regard to nanopowder flammability and explosivity are presented and illustrated for few nanopowders. Analytical models are developed in order to explain the dependency of the combustion times on the particle diameter.
Bouillard, J., Vignes, A., Dufaud, O., Perrin, L., Thomas, D.   +4 more
openaire   +4 more sources

Redispersity/Solubility of Nanopowder in Solvents

Recent Patents on Nanotechnology, 2014
Because of the high surface energy, nanoparticles show strong tendency to agglomeration or aggregation during preparations and applications, which thus greatly deteriorate their performance. Investigations have proven that redispersible nanoparticles can exhibit enhanced performances or be used in new technical applications as compared with the non ...
Yunan, Zhao, Minmin, Wang, Yan, Liu, Hongtao, Cui   +3 more
openaire   +2 more sources

Production of Metal Nanopowders by Sonoelectrochemistry

MRS Proceedings, 1994
AbstractMetal powders with a diameter ranging from 20 to 50 micrometers are currently produced by electrolysis at high current density in aqueous electrolytes. A lot of research is then devoted to produce by electrolysis and with a high yield, ultrafine metal powders.
Delplancke, Jean-Luc, Di Bella, V., Reisse, Jacques, Winand, René   +3 more
openaire   +2 more sources