Wettability characteristics of an Al 2O3/SiO 2 based ceramic
SiO 2 + NaAlSi 2 O 6
description
Transcript of SiO 2 + NaAlSi 2 O 6
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SiO2 + NaAlSi2O6
NaAlSi3O8
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SiO2 + NaAlSi2O6
NaAlSi3O8
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SiO2
KAlSi2O6 NaAlSi2O6
Quarz
K-Feldspat Albit
Alkali-Feldspäte
Jadeit
Ab = Jd + Qz
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??? SiO2 + NaAlSi2O6 ???
(Na0.9K0.1)AlSi3O8
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??? SiO2 + NaAlSi2O6 ???
(Na0.9K0.1)AlSi3O8
P = 11000 Bar
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∆aG350,11(Ab)=µ0Ab
∆aG350,11(Kfs)=µ0Kfs
∆aGmech=xAb·µ0
Ab+ xKfs·µ0Kfs
∆aGmix=xAb·µ0
Ab+ xKfs·µ0Kfs
+ RT·(xAb·ln(xAb)+xKfs·ln(xKfs))
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∆aG350,11(Ab)=µ0Ab
∆aG350,11(Kfs)=µ0Kfs
∆aGmech=xAb·µ0
Ab+ xKfs·µ0Kfs
∆aGmix=xAb·µ0
Ab+ xKfs·µ0Kfs
+ RT·(xAb·ln(xAb)+xKfs·ln(xKfs))
∆aG350,11(Jd+Qz)
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µ0,mixAb=0
∆Gmix=+ RT·(xAb·ln(xAb)+xKfs·ln(xKfs))
µ0,mixKfs=0
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∆Gmix=+ RT·(xAb·ln(xAb)+xKfs·ln(xKfs))
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∆Gmix=+ RT·(xAb·ln(xAb)+xKfs·ln(xKfs))
µ0Ab=RT·ln(xAb)
µ0Ab=RT·ln(0.9)
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∆Gmix=+ RT·(xAb·ln(xAb)+xKfs·ln(xKfs))
µ0Ab=RT·ln(xAb)
µ0Ab=RT·ln(0.9)
∆aGAb+ RT·ln(0.9) = ∆aGJd+ ∆aGQz
∆aGAb-∆aGJd-∆aGQz = -RT·ln(0.9)
∆rG(Ab-Jd-Qz) = -RT·ln(0.9)
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∆Gmix=+ RT·(xAb·ln(xAb)+xKfs·ln(xKfs))
µ0Ab=RT·ln(xAb)
µ0Ab=RT·ln(0.9)
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∆Gmix=+ RT·(xAb·ln(xAb)+xKfs·ln(xKfs))
µ0Ab=RT·ln(xAb)
µ0Ab=RT·ln(0.8)
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∆Gmix=+ RT·(xAb·ln(xAb)+xKfs·ln(xKfs))
µ0Ab=RT·ln(xAb)
µ0Ab=RT·ln(0.7)
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∆Gmix=+ RT·(xAb·ln(xAb)+xKfs·ln(xKfs))
µ0Ab=RT·ln(xAb)
µ0Ab=RT·ln(0.6)
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∆Gmix=+ RT·(xAb·ln(xAb)+xKfs·ln(xKfs))
µ0Ab=RT·ln(xAb)
µ0Ab=RT·ln(0.5)
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∆Gmix=+ RT·(xAb·ln(xAb)+xKfs·ln(xKfs))
µ0Ab=RT·ln(xAb)
µ0Ab=RT·ln(0.4)
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z.B. (Na0.4K0.6)Si3O8
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z.B. (Na0.4K0.6)Si3O8