Results 21 to 30 of about 4,976,815 (252)

Uncertainty propagation in a multiscale model of nanocrystalline plasticity [PDF]

open access: yes, 2010
We characterize how uncertainties propagate across spatial and temporal scales in a physicsbased model of nanocrystalline plasticity of fcc metals. Our model combines molecular dynamics (MD) simulations to characterize atomic level processes that govern ...
Strachan, Alejandro   +9 more
core   +1 more source

Nanocrystalline soft magnetic materials produced by continuous ultra-rapid annealing (CURA)

open access: yesAIP Advances, 2022
Ultra-Rapid Annealing (URA) is an effective means of producing Fe-rich nanocrystalline soft magnetic materials with desirable soft magnetic properties.
R. Parsons, K. Suzuki
doaj   +1 more source

Nanoscale States in Metals, Alloys, and Intermetallic Compounds: Methods of Manufacture, Structure, Properties

open access: yesУспехи физики металлов, 2004
Nanocrystalline metallic materials have been recognized as perspective materials for a wide range of modern technologies due to their unique properties, occurring because of their mainly structural parameters, which are comparable with the interatomic ...
S. V. Shevchenko, N. M. Stetsenko
doaj   +1 more source

Hot pressing of nanocrystalline TiO2 (anatase) ceramics with controlled microstructure [PDF]

open access: yes, 2007
The preparation conditions of nanocrystalline phase-pure TiO2 anatase ceramics by hot pressing are described. Density, surface area, pore size distribution and grain size are determined by various techniques, including gas adsorption, mercury porosimetry,
Weibel, Alicia   +3 more
core   +1 more source

Mechanochemical synthesis of stoichiometric nickel and nickel-zinc ferrite powders with Nicolson-Ross analysis of absorption coefficients [PDF]

open access: yesJournal of the Serbian Chemical Society, 2012
The interest in finding new methods for preparation of nickel ferrite (NiFe2O4) and nickel-zinc ferrite (NixZn1-xFe2O4) powders has recently increased, due to the fact that physical and chemical properties of these soft magnetic materials depend ...
Jovalekić Čedomir   +3 more
doaj   +1 more source

A Simple Grinding Method for Preparing Ultra-Thin Boron Nanosheets

open access: yesNanomaterials, 2022
The preparation of boron nanosheets has very strict requirements of the preparation environment and substrate. In this work, the boron nanosheets were tried to prepare by the grinding method, using β-B alloy with stable chemical properties and large ...
Haoran Wang   +3 more
doaj   +1 more source

Progress on the preparation of nanocrystalline apatites and surface characterization: Overview of fundamental and applied aspects [PDF]

open access: yes, 2013
Nanocrystalline calcium phosphate apatites constitute the main inorganic part of hard tissues, and a growing focus is devoted to prepare synthetic analogs, so-called “biomimetic”, able to precisely mimic the morphological and physico-chemical features of
Iafisco, Michele   +5 more
core   +1 more source

Electrochemistry of Inorganic Nanocrystalline Electrode Materials for Lithium Batteries

open access: yesActive and Passive Electronic Components, 2003
Traditional electrode materials are based on the redox potential difference of the electrode in the course of intercalation/deintercalation reactions.
C. W. Kwon   +7 more
doaj   +1 more source

Effect of 1 wt% LiF additive on the densification of nanocrystalline Y2O3 ceramics by spark plasma sintering [PDF]

open access: yes, 2011
Densification of nanocrystalline cubic yttria (nc-Y2O3) powder, with 18 nm crystal size and 1 wt% LiF as a sintering additive was investigated. Specimens were fabricated by spark plasma sintering at 100 MPa, within the temperature range of 700–1500 °C ...
Estournès, Claude   +7 more
core   +1 more source

Evidence of a temperature transition for denuded zone formation in nanocrystalline Fe under He irradiation

open access: yesMaterials Research Letters, 2017
Nanocrystalline materials are radiation-tolerant materials’ candidates due to their high defect sink density. Here, nanocrystalline iron films were irradiated with 10 keV helium ions in situ in a transmission electron microscope at elevated temperatures.
O. El-Atwani   +5 more
doaj   +1 more source

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