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L } bcc 1 Zr5Al3 29.5 25.9 37.5 1623 McPherson[11]
29.5 24.9 37.5 1621 This work
Bcc 1 Zr5Al3 } Zr2Al 19.9 37.5 33.3 1488 Peruzzi[6]
20.3 37.5 33.3 1487 This work
Bcc 1 Zr2Al } Zr3Al 12.0 33.3 25.0 1292 Peruzzi[6]
12.1 33.3 25.0 1292 This work
Bcc 1 Zr3Al } hcp 6.8 25.0 8.3 1183 Peruzzi[6]
6.8 25.0 8.2 1183 This work
L 1 Zr3Al2 } Zr5Al3 ,35(a) 40.0 37.5 1673(a) McPherson[11]
32.4 40.0 37.5 1676 This work
Zr5Al3 } Zr2Al 1 Zr3Al2 37.5 33.3 40.0 ,1273 Potzschke[27]
37.5 33.3 40.0 1273 This work
L 1 Zr5Al4 } Zr3Al2 ,39 44.4 40.0 1753 McPherson[11]
37.8 44.4 40.0 1753 This work
Zr3Al2 1 Zr5Al4 } Zr4Al3 40.0 44.4 42.9 ,1303 Potzschke[27]
40.0 44.4 42.9 1304 This work
Zr5Al4 } Zr4Al3 1 ZrAl 44.4 42.9 50.0 ,1273 Potzschke[27]
44.4 42.9 50.0 1272 This work
L } Zr5Al4 ¼ 44.4 ¼ 1823(a) McPherson[11]
¼ 44.4 ¼ 1831 This work
L } Zr5Al4 1 Zr2Al3 ,50 44.4 60.0 1758 McPherson[11]
51.0 44.4 60.0 1750 This work
Zr5Al4 1 Zr2Al3 } ZrAl 44.4 60.0 50.0 1548(a) McPherson[11]
44.4 60.0 50.0 1548 This work
L 1 ZrAl2 } Zr2Al3 ,59 66.7 60.0 1863 McPherson[11]
59.7 66.7 60.0 1865 This work
L } ZrAl2 ¼ 66.7 ¼ 1933(a) McPherson[11]
¼ 66.7 ¼ 1931 This work
L } ZrAl2 1 ZrAl3 73.5 66.7 75.0 1773 McPherson[11]
74.7 66.7 75.0 1856 This work
L } ZrAl3 ¼ 75.0 ¼ 1853 McPherson[11]
¼ 75.0 ¼ 1856 This work
ZrAl3 1 L } fcc 75.0 99.97 99.92 933.9 Fink[15]
75.0 99.97 99.92 933.8 This work
(a) Slightly modified by Murray et al.[9]
Table 2 Standard enthalpy of formation of the Zr-Al intermetallic compounds, kJ/(mole of atoms)
Zr3Al ¼ ¼ ¼ ¼ 227.0 236.2
Zr2Al ¼ ¼ ¼ ¼ 233.4 248.4
Zr5Al3 248 ¼ ¼ ¼ 236.2 251.5
Zr3Al2 249 ¼ ¼ ¼ 238.4 255.2
Zr4Al3 ¼ ¼ ¼ ¼ ¼ 258.5
Zr5Al4 252 ¼ ¼ ¼ 241.0 255.4
ZrAl 253 ¼ ¼ ¼ 244.5 265.0
Zr2Al3 255 ¼ ¼ ¼ 246.9 256.6
ZrAl2 254 244 252.1 251.3 245.8 252.6
ZrAl3 249 244 248.4 ¼ 240.5 248.5


Liquid
0LLiquid
Al,Zr 5 2207,140 1 42.911T 3. Thermodynamic Models 1LLiquid
Al,Zr 5 222,643 1 11.442T
2LLiquid
Al,Zr 5 156,610 2 7.807T
Fcc 3.1 Solution Phases
0Lfcc
Al,Zr 5 2152,947 1 21.300T
Bcc The liquid, fcc(Al), bcc(Zr), and hcp(Zr) solution phases
0Lbcc
Al,Zr 5 2165,348 1 13.235T
1Lbcc
Al,Zr 5 236,570 2Lbcc
Al,Zr 5 116,806 Hcp
0Lhcp
Al,Zr 5 2166,254 1 13.235T Gam
5 xAl 8Ga
Al 1 xZr 8Ga
Zr 1 RT (xAl ln xAl 1 xZr ln xZr) 1Lhcp
Al,Zr 5 236,570
2Lhcp
Al,Zr 5 116,806 1 EG (Eq 1)
Zr3Al
0GZr3Al
Al:Zr 5 0.25 0Gfcc
Al 1 0.75 0Ghcp
Zr 2 36,163 1 4.421T Zr2Al Al:Zr 5 0.33333 0Gfcc
Al 1 0.66667 0Ghcp
Zr 2 48,358 1 6.492T
Zr the structure a (a 5 Liquid, fcc, bcc, or hcp), Zr5Al3
Al:Zr 5 0.375 0Gfcc
Al 1 0.625 0Ghcp
Zr 2 51,484 1 5.749T
Zr3Al2
0G Zr3Al2
Al:Zr 5 0.4 0Gfcc
Al 1 0.6 0Ghcp
Zr 2 55,180 1 6.734T
0GZr4Al3
Al:Zr 5 0.42857 0Gfcc
Al 1 0.57143 0Ghcp
Zr 2 58,480 1 8.236T
Zr5Al4
0GZr5Al4
Al:Zr 5 0.44444 0Gfcc
Al 1 0.55556 0Ghcp
Zr 2 55,424 1 5.320T EG 5 xAlxZron
i50
iL(xAl 2 xZr)i (Eq 2)
ZrAl
0GZrAl
Al:Zr 5 0.5 0Gfcc
Al 1 0.5 0Ghcp
Zr 2 64,950 1 11.014T
Zr2Al3 0GZr2Al3
Al:Zr 5 0.6 0Gfcc
Al 1 0.4 0Ghcp
Zr 2 55,323 2 27.830T 1 4.329T ln T
ZrAl2 0G ZrAl2
Al:Zr 5 0.66667 0Gfcc
Al 1 0.33333 0Ghcp
Zr 2 51,266 2 29.726T 1
4.417T ln T
ZrAl a ZrAl3
Al:Zr 5 0.75 0Gfcc
Al 1 0.25 0Ghcp
Zr 2 47,381 2 24.373T 1 3.894T ln T
metal£¬Iknowit£¿
2Â¥2012-07-18 17:25:12
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lvhong

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ÉîÉî±±·½: ½ð±Ò+5, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ 2012-07-18 20:37:03
http://www.springerlink.com/content/u0556240484w2kmg/

Journal of Phase Equilibria
Volume 22, Number 5 (2001), 544-551, DOI: 10.1361/105497101770332695
Basic And Applied Research

Thermodynamic assessment of the Al-Zr binary system
Tao Wang, Zhanpeng Jin and Ji-Cheng Zhao
metal£¬Iknowit£¿
3Â¥2012-07-18 17:26:50
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ÉîÉî±±·½

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ÒýÓûØÌû:
3Â¥: Originally posted by lvhong at 2012-07-18 17:26:50
http://www.springerlink.com/content/u0556240484w2kmg/

Journal of Phase Equilibria
Volume 22, Number 5 (2001), 544-551, DOI: 10.1361/105497101770332695
Basic And Applied Research

Thermodynam ...

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