Add to ORKGThe influence of thermal convection on diffusion measurements especially at high temperatures was investigated by the ISIS experiment during the D-2 spacelab mission. Under microgravity sharp liquid interfaces could be established by applying the flowing junction technique. The diffusion coefficients of (K, Ag)NO_3 melt of the eutectic composition were determined at 180 and 270 C without convection. The results were about 30% lower than the terrestrical reference data measured with several different methods. Furthermore a new diffusion cell for high temperature applications was developed and the concentration- and temperature dependence of the diffusion coefficients were elucidated. (orig.)SIGLEAvailable from TIB Hannover: F95B105+a / FIZ -...
The aim of the thesis is the development and improvement of the experimental techniques for fluid ex...
In eutectic growth, as the solid phases grow they reject atoms to the liquid. This results in a vari...
Interdiffusion coefficients are key parameters for the solidification process of liquid alloys. Howe...
Diffusion experiments in liquids, carried out under the 1-g conditions of the Earth, are subject to ...
The determination of inter- and self-diffusion coefficients of refractory sample systems requires th...
The accurate determination of mass diffusion coefficients is a technologically relevant problem that...
An important goal of the microgravity experiments is to establish a reliable set of guaranteed conve...
The mass diffusion coefficient of gases in liquids is of high interest in deep diving technology, wh...
A method for determination of liquid phase diffusion coefficients along the liquidus curve in a bina...
Thermodiffusion (also called Ludwig-Soret effect) describes the diffusive motion of molecules due to...
Interdiffusion coefficients in the ß-NiAl phase over the homogeneity range are determined by the dif...
Diffusion is one of the most fundamental physical phenomena. It relates to the manufacturing of almo...
This project is a continuation of the project 50 QV 8870 - ZA with the same name and the same standa...
The long capillary method was used to measure chemical diffusion in molten AlNiCe alloys. The interd...
International audienceTo study the dynamical formation and evolution of cellular and dendritic array...
The aim of the thesis is the development and improvement of the experimental techniques for fluid ex...
In eutectic growth, as the solid phases grow they reject atoms to the liquid. This results in a vari...
Interdiffusion coefficients are key parameters for the solidification process of liquid alloys. Howe...
Diffusion experiments in liquids, carried out under the 1-g conditions of the Earth, are subject to ...
The determination of inter- and self-diffusion coefficients of refractory sample systems requires th...
The accurate determination of mass diffusion coefficients is a technologically relevant problem that...
An important goal of the microgravity experiments is to establish a reliable set of guaranteed conve...
The mass diffusion coefficient of gases in liquids is of high interest in deep diving technology, wh...
A method for determination of liquid phase diffusion coefficients along the liquidus curve in a bina...
Thermodiffusion (also called Ludwig-Soret effect) describes the diffusive motion of molecules due to...
Interdiffusion coefficients in the ß-NiAl phase over the homogeneity range are determined by the dif...
Diffusion is one of the most fundamental physical phenomena. It relates to the manufacturing of almo...
This project is a continuation of the project 50 QV 8870 - ZA with the same name and the same standa...
The long capillary method was used to measure chemical diffusion in molten AlNiCe alloys. The interd...
International audienceTo study the dynamical formation and evolution of cellular and dendritic array...
The aim of the thesis is the development and improvement of the experimental techniques for fluid ex...
In eutectic growth, as the solid phases grow they reject atoms to the liquid. This results in a vari...
Interdiffusion coefficients are key parameters for the solidification process of liquid alloys. Howe...