Ba’zi metallar, qotishmalar va materiallarning solishtirma elektr o'tkazuvchanliklar – σ
(t=20 °C harorat uchun)
|
Modda |
ρ, mkOm∙m |
Modda |
ρ, mkOm∙m |
|
Cho’yan |
1.25 – 1.92 |
Marganets |
0.38 – 0.67 |
|
Duralyumin |
30.33 |
Natriy |
20.41 |
|
Fexral |
0.77 – 0.82 |
Neyzilber |
2.22 – 3.33 |
|
Grafit oddiy |
0.077 |
Nikelin |
2.22 – 2.64 |
|
Grafit reaktor uchun |
0.05 – 0.013 |
Nixrom |
0.90 – 1.00 |
|
Invar |
1.23 |
Osmiy |
10.59 |
|
Iridiy |
18.86 |
Paltinit |
2.22 |
|
Kaliy |
14.08 |
Platinoiridiy qotishmasi (t=0 °C) |
4.00 |
|
Konstantan |
1.92 – 2.09 |
Po’lat (0.10 – 0.15%) |
7.14 – 10.00 |
|
Latun |
14.08 |
Vud qotishmasi |
0.52 |
|
Manganin |
2.09 – 2.36 |
Xromal |
1.25 – 1.92 |
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