File:DiagBin liq-sol idéaux.svg

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Français : Diagramme de phase liquide-solide d'un système binaire formant une solution idéale dans les deux états. Exemple théorique : le point de fusion du composant A a été pris égal à 200 °C et son entropie molaire de fusion à 10 R ; pour B on a pris 100 °C et 5 R.
Date
Source Own work
Author Ariel Provost

Scilab source

clear; clf;
tfA= 200; tfB= 100; N= 100; a=10; b= 5; // Données du diagramme
N1= N*5/10; N2= N1; i= 1+N*4/10; // Limites du graphique et température-test

T0= 273.15; TfA= T0+tfA; TfB= T0+tfB; dT= (tfA-tfB)/N;
t= [tfB: dT: tfA]; T= T0+t;
kA= exp(a*(1-TfA./T)); kB= exp(b*(1-TfB./T));
xs= (1-kA)./(kB-kA); xl= kB.*xs;

plot([xs; xl], t, 'k', 'thickness', 3);
tMin= tfB-N1*dT; tMax= tfA+N2*dT; replot([0, 1; tMin, tMax], 'tight');

ti= t(i); xsi= xs(i); xli= xl(i);
plot([0, xli], [ti, ti], '--r');
plot([xsi, xsi], [tMin, ti], '--b'); plot([xli, xli], [tMin, ti], '--b');

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Date/TimeThumbnailDimensionsUserComment
current08:57, 31 March 2020Thumbnail for version as of 08:57, 31 March 2020610 × 460 (44 KB)Ariel Provost (talk | contribs)Meilleure taille du label "T"
08:54, 31 March 2020Thumbnail for version as of 08:54, 31 March 2020610 × 460 (44 KB)Ariel Provost (talk | contribs)Uploaded own work with UploadWizard

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