The bulk diffusion of 123Te was studied over a span of 700K. The results could be described by:

sδD (m3/s) = 2.2 x 10-11 exp[-168(kJ/mol)/RT]

P.Neuhaus, C.Herzig: Zeitschrift für Metallkunde, 1989, 80[4], 220-6

 

Table 160

Interdiffusion in the Ni-Pt System

 

Temperature (C)

Ni (mol/cm3)

D (cm2/s)

600

10.5

1.6 x 10-14

600

10.5

1.9 x 10-14

600

10.2

5.1 x 10-14

600

8.29

4.2 x 10-14

600

8.29

5.6 x 10-14

600

8.24

1.26 x 10-13

600

8.24

2.38 x 10-13

600

8.24

4.01 x 10-13

600

7.12

4.00 x 10-13

550

8.37

2.3 x 10-14

550

8.37

3.1 x 10-14

550

8.37

3.2 x 10-14

550

8.37

3.7 x 10-14

550

8.37

5.6 x 10-14

550

8.37

7.5 x 10-14

550

8.37

8.8 x 10-14

550

8.37

8.9 x 10-14

550

7.57

1.32 x 10-13

550

7.56

1.48 x 10-13

550

7.01

7.7 x 10-14

500

8.21

5.2 x 10-14

500

8.21

7.5 x 10-14

500

8.21

1.10 x 10-13

500

8.21

2.48 x 10-13

500

9.21

1.73 x 10-13

continued

Table 160 (continued)

Interdiffusion in the Ni-Pt System

 

Temperature (C)

Ni (mol/cm3)

D (cm2/s)

500

7.49

7.9 x 10-14

500

7.49

1.09 x 10-13

500

7.49

1.71 x 10-13

500

7.49

2.72 x 10-13

500

7.49

1.36 x 10-13

500

6.90

1.07 x 10-13

500

6.90

1.41 x 10-13

500

6.90

1.71 x 10-13