ݷʱ : 2024/12/23 14:02:51һ µȫĶ
.
bAL2O3
2ALMg + 3OO + OMg
x 2x x Al2xMg1-3xO
18⣺Fe1-xSдFeλVFeǻѧh PͰ뵼壻FeS1-xнӹʣSλeNͰ뵼壻Fe1-xSFeS1-xͬͰ뵼壬ͨʵȷ뵼ʼɡ
19⣺1м϶λģʵ10%2϶ʽɣһ㶼ʹӵһij̶ȣʹòȶ⣻ûγͬӽλãԽӲӰ죬Կγ塣
20⣺
r-rС/ r=4.2%<15% TaW 縺ԣ1.5-1.7=-0.2 ṹͣ ͬ r-rС/ r=20.7%>15% PtPd 縺Բ=2.2-2.2=0 ṹͣ r-rС/ r=0.4%<15% CoNi 縺Բ1.8-1.6=0.2 T<427棬Co Znṹͬ TiTa r-rС/ r=2.12%<15% γ γ 2-
Al0.16/1.16Mg0.92/1.16O
x=
Al0.138Mg0.793O
=0.97
γ .
.
縺Բ=1.5-1.5=0 T>883棬Ti Taṹγ ͬ
21⣺ar-rС/ r=10%<15%AL2O3Cr2O3γ壻 bMgOCr2O3Уr-rС/ r=15%߽֮ṹͬܶġ
22⣺ǻѧΪNixO Ni2O3
2NiNi + 3OO + VNi
y 2y y Ni3+2yNi2+1-3yO
Ni3+/Ni2+=2y/(1-3y)=10-x
Ni0.99995O
y=510-5 x=1-y=0.99995
ÿm3жӼΪλŨȣ[VNi]=y/(1+x)=2.510-5
23⣺MgO-AL2O3r-rС/ r=15%rMgrAl뾶MgONaClͣAL2O3ṹͲγ壻
PbTiO3-PbZrO3γ壬ΪTi4+Zr4+뾶ϴ15. 28,ǣABO3ѿͽṹTi4+Zr4+϶ÿ϶ϴӵİ뾶rֵһΧڱ仯ʹṹ仯
24⣺1ûʽ x=0.151-x=0.852-x=1.85ûʽ廯ѧʽCa0.15Zr0.85O1.85ΪZrO2өʯṹZ=4Ca2+Zr4+O2-ʵ㡣
d =
=5.55g/cm3
.
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2ڼ϶壬仯ѧʽCa2yZr1-yO2֪Ca0.15Zr0.85O1.85ȣO2-ͬ Ca0.15Zr0.85O1.85
Ca0.152/1.85Zr0.3/1.85O2
϶ʽ廯ѧʽCa0.32/1.85Zr1.7/1.85O2
d=
=6.014g/cm3ɴ˿жɵû塣
Ǿ̬ṹ
1ʯӢ塢ʯӢ塢Na2O?2SiO2ṹϵ
2ijճ727ʱ1081156ʱ104ҪճΪ107壬Ҫȵʲô¶?
3Na2OSiO2ϵͳROSiO2ϵͳSiO2ӣճȽ߶ͣ˵ԭ
4˵һ¶ͬɵIJȾнϸߵܼһ۵ûй̶۵ԭ
5ij14Na2O14CaO72SiO2(ٷ)ٷ
6(Na2O)ӵSiO2УʹӣO/Si2.53ʱﵽγɲļޣO/Si>3ʱγɲΪʲô?
7γﲣеãΪ壬мγ壺
SiO2Na2OB2O3CaOAl2O3P2O5K2OBaO
8B203Ϊ;лϼγɲԭ
9ѧ˵ѧ˵Ҫ۵㣬Ƚѧ˵ڽͲṹϵĹͬͷ硣
10ʲô? ΪʲôЩ?
.
.
11֪ʯӢܶΪ2.3g/cm3ٶԭӳߴ뾧SiO2ͬԼòԭڶѻϵǶ?
12ݽ̲ĵTTTߣABCʵٽȴٶȣһγɲ?һγɲ?
1.
1 ⣺ ṹ [SiO4] ṹԪ ṹԪ ʯӢ ʯӢ Na2O?2SiO2 ʽԳйУ [SiO4] ʼ״ṹ [Si6O18]12- ڻ˽ڻ Զ Զ ԣǴԣǽʯԶ ԣ۵ߣӲȴԵ絼ʴ ӢС絼ʴṹȶѧȶԺ 2⣺ln=A+B/T727ʱ=108P01156ʱ=104P0A=-5.32B=13324=107P0ʱt=80档
3⣺Na2O-SiO2ϵͳУSiO2ӣҼСΪSiO2ӣۺųߴǨe/rССҼСRO-SiO2ϵͳУSiO2ӣҼСΪSiO2ʱRO-O2ϵͳǺܵͣSiO2ϵͳг־ۺţSiO2
ӣۺųߴĿҼС
4⣺ĽԣתΪУǿȴʹڵ±˸ʱĽṹ״̬̬Ľ̬ԷȶתΪƣ̶۵㣺ĽᾧУϵͳж֣й̶۵㣻תʱǽģ̶֣۵㣬
ֻһת¶ȷΧ
5.
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