30 Effect of a Hydrogen Sulfide-Containing Atmosphere on the Physical. . .
481
Table 30.1
Influence of material treatment mode on the physical and mechanical properties
Mean values of the characteristics
Mode
σ
f /σ
f 0 E/E
0
Material Mode marking Preconditioning
Aging
%
σ
(S/m)
Ni
1
As-received
100
100 1.4·10 7
2
Processing in Ar–5 vol%
° 2
at 600 ◦
C for 4 h
–
21.1
76 1.4·10 7
3
Processing in 99.99 vol%
° 2 at 600 ◦
C for 4 h
–
13.9
59 1.4·10 7
4
Processing in Ar–5 vol%
° 2
at 600 ◦
C for 4 h
Aging in Ar–5 vol%
° 2 with 7 vol%
° 2 S at 600 ◦
C for 4 h 21.7
76 1.4·10 7
5
Processing in Ar–5 vol%
° 2
at 600 ◦
C for 4 h
Aging in Ar–5 vol%
° 2 with 18 vol%
° 2 S at 600 ◦
C for 4 h 23.3
77 1.4·10 7
YSZ–NiO 6
As-received
100
100 (*)
7
Processing in Ar–5 vol%
° 2
at 600 ◦
C for 4 h
–
86
82 (5.5–6.5)·10 5
8
Processing in 99.99 vol%
° 2 at 600 ◦
C for 4 h
–
105
62 (2.1–2.7)·10 6
9
Processing in Ar–5 vol%
° 2
at 600 ◦
C for 4 h
Aging in Ar–5 vol%
° 2 with 7 vol%
° 2 S at 600 ◦
C for 4 h 82
76 (5.5–6.5)·10 5
10
Processing in Ar–5 vol%
° 2
at 600 ◦
C for 4 h
Aging in Ar–5 vol%
° 2 with 18 vol%
° 2 S at 600 ◦
C for 4 h 61
75 (5.5–6.5)·10 5
Comment: (*) Electrical conductivity is absent