1.5 ZrO 2 + 2Al = 1.5 Zr + Al 2 O 3 (1)

Temperature ˚C

Delta (H) kJ

Delta (S) J/K

Delta (G) kJ

0

−24.841

−21.011

−19.102

100

−26.382

−25.837

−16.741

200

−27.433

−28.360

−14.014

300

−27.944

−29.355

−11.119

400

−28.190

−29.751

−8.162

500

−28.553

−30.250

−5.166

600

−29.185

−31.018

−2.102

700

−51.254

−54.677

1.955

800

−51.568

−54.985

7.439

900

−45.907

−50.016

12.770

1000

−46.948

−50.868

17.815