Sample

1250˚C

1300˚C

1350˚C

1400˚C

α

EB

α

EB

α

EB

α

EB

#1

2.5

27.2

5.4

24.1

4.2

26.8

4.8

25.3

#2

3.7

26.5

6.2

23.6

5.6

25.6

4.6

25.0

#3

3.4

28.3

5.6

23.3

5.2

27.5

4.7

22.6

#4

3.5

27.4

5.1

24.8

4.9

26.8

5.0

23.4