Results 21 to 30 of about 1,241,175 (302)

Grain Initiation and Grain Refinement: An Overview

open access: yesMetals, 2022
Heterogeneous nucleation and grain initiation are two different processes in early-stage solidification (ESS), although both are deterministic. Heterogeneous nucleation refers to the formation of a 2-dimensional (2D) nucleus (a crystal plane of the solid)
Zhongyun Fan, Feng Gao
doaj   +1 more source

Microstructural Stability of Ti based Composites Fabricated by Spark Plasma Sintering [PDF]

open access: yesMATEC Web of Conferences, 2020
In our previous study, the effects of TiC heterogeneous nucleation site particles on formability and microstructure of additive manufactured (AMed) Ti-6Al-4V products were studied.
Watanabe Yoshimi   +3 more
doaj   +1 more source

Earthquake Nucleation Along Faults With Heterogeneous Weakening Rate [PDF]

open access: yesGeophysical Research Letters, 2021
The transition from quasistatic slip growth to dynamic rupture propagation constitutes one possible scenario to describe earthquake nucleation. If this transition is rather well understood for homogeneous faults, how the friction properties of multiscale
M. Lebihain   +3 more
semanticscholar   +1 more source

Homogeneous versus Heterogeneous Zeolite Nucleation [PDF]

open access: yesAngewandte Chemie International Edition in English, 1995
Aggregates of fractal dimension were found in the intermediate gel phases that organize prior to nucleation and crystallization (shown right) of silicalite from a homogeneous reaction mixture. Small- and wide-angle X-ray scattering studies prove that for zeolites nucleation may be homogeneous or heterogeneous.
Dokter, W.H.   +4 more
openaire   +1 more source

Nucleation mechanisms of equiaxed grains in the fusion zone of aluminum-lithium alloys by laser welding

open access: yesJournal of Materials Research and Technology, 2021
The formation of different microstructures in aluminum-lithium alloys welding joints by laser welding has not been fully understood at the moment. In this study, the nucleation mechanisms of equiaxed grains in the fusion zone of aluminum-lithium alloys ...
Chu Han   +5 more
doaj   +1 more source

Effect of Heterogeneous Nucleation on Removal of Arsenic from Molten Steel by Rare Earth Addition

open access: yesMetals, 2020
Cleanliness control is an eternal theme to improve the properties of steel products. With the increasing recycling rates of scrap steel, the removal and stabilization of residual elements have become a vital issue for improving the performance of steel ...
Hongpo Wang   +3 more
doaj   +1 more source

Sensitivity studies of dust ice nuclei effect on cirrus clouds with the Community Atmosphere Model CAM5 [PDF]

open access: yesAtmospheric Chemistry and Physics, 2012
In this study the effect of dust aerosol on upper tropospheric cirrus clouds through heterogeneous ice nucleation is investigated in the Community Atmospheric Model version 5 (CAM5) with two ice nucleation parameterizations.
X. Liu   +7 more
doaj   +1 more source

Molecular Dynamics Simulations on Effect of Surface Roughness of Amorphous Substrate on Nucleation in Liquid Al

open access: yesMetals, 2022
In this study, we used molecular dynamics (MD) simulations to investigate the atomic ordering in the liquid aluminum (Al) adjacent to the amorphous substrate with smooth and rough surfaces.
Hua Men, Zhongyun Fan
doaj   +1 more source

Heterogeneous Nucleation of 1,3-Distearoyl-2-oleoylglycerol on Tristearin Surfaces [PDF]

open access: yesACS Omega, 2019
Edmund D. Co   +3 more
doaj   +2 more sources

Nucleation of diamond films on heterogeneous substrates: a review

open access: yesRSC Advances, 2021
Diamond thin films are known to have properties similar to bulk diamond and have applications in both industry and fundamental studies in academia.
S. Mandal
semanticscholar   +1 more source

Home - About - Disclaimer - Privacy