Page 83 - Corrosion Engineering Principles and Practice
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60 C h a p t e r 4 C o r r o s i o n T h e r m o d y n a m i c s 61
ΣG 0 (333 K) −670615.89 −3846087.21
−4161.72 −631396.00 −35058.17 −3392589.58 −478966.00
x G 0 (333 K)
2.303·RT·log 10 a O 0.00 0.00 −4452.02 −6369.39 0.00 Calculated Free Energies for Species Involved in the Global Aluminum-Air Reactions at 60°C
a O 1 1 0.2 0.1 1
G 0 (333 K) ) (J mol –1 −1040.43 −157849 −7234.04 −841778 −239483
x 4 4 3 4 2
Species Reactants Al OH − O 2 Products − AlO 2 H 2 O TABLE 4.6
