3 4 5 6 7 8 9

5

10

15

20

25

Al Content (wt.%)

Cr

Con

tent

(w

t.%)

0.8

0.6

0.32.22.3

6.9 1.6

1kpAPMT = ko exp

⎛

⎝⎜⎜Ea

R ⋅ T

⎞

⎠⎟⎟

koAPMT = 7.84

g2

cm4s

EaAPMT = −344 kJ

1200°C Steam

(a)

3 4 5 6 7 8 9

0

5

10

15

20

25

1500

1202

1500

1500

1500

1243

1377

1335

1500

693

1025

646 514

1136

655

15001425

15001340

Al Content (wt.%)C

r C

onte

nt (

wt.%

)

5°C/min ramp(b)

×

a) b)

Iron

Cla

d1

Iron

Cla

d2

Iron

Cla

d1

Iron

Cla

d1

10 mm