Metallar va ularning qotishmalarining
chiziqli kengayishining harorat koefitsienti.
Jadvalda ba’iz metallar va ularning qotishmalari uchun chiziqli kengayishning harorat koefitsienti – α keltirilgan. Harorat t=20°C uchun, harorat intervallari 0 dan 100 °C gacha hamda, 0 dan 600 °C gacha.
|
Metal, qotishma |
α, 10-6 °C-1 |
||
|
harorat |
|||
|
20°C |
0 – 100 °C |
0 – 600 °C |
|
|
Alyumel |
13.7 |
|
|
|
Alyuminiy |
22.4 |
23.8 |
29 |
|
Bronza |
17.0 - 19.6 |
|
|
|
Cho’yan |
|
10 |
|
|
Invar |
|
1.5 |
|
|
Iridiy |
6.5 |
6.5 |
7.4 |
|
Kadmiy |
30 |
30.4 |
|
|
Kaliy |
|
83 (0 – 50°C harorat intervallarida) |
|
|
Kobalt |
12.3 |
12.5 |
|
|
Konstantan |
14.4 |
15.2 |
|
|
Kopel |
14.0 |
|
|
|
Kumush |
19.5 |
19.6 |
21.0 |
|
Latunlar |
17.0 – 21.2 |
|
|
|
Litiy |
56.0 |
60.0 |
|
|
Magniy |
25.4 |
26.0 |
31.7 |
|
Manganin |
16.0 |
17.5 |
|
|
Marganets |
22.3 |
|
24.0 |
|
Mis |
16.2 |
17.1 |
18.9 |
|
Molibden |
5.2 |
5.2 |
5.7 |
|
Neyzilber |
18.4 |
|
|
|
Nikel |
12.6 |
13.6 |
15.6 |
|
Niobiy |
7.1 |
|
|
|
Nixrom |
13.0 |
|
|
|
Oltin |
14.2 |
14.3 |
15.5 |
|
Platina |
8.9 |
9.1 |
9.6 |
|
Platinairidiy qotishmasi |
8.7 |
9.0 |
|
|
Po’lat (0.05%C) |
11 |
12.0 |
14.2 |
|
Qalay |
21.4 |
26.2 |
|
|
Qo’rg’oshin |
27.6 |
29.2 |
|
|
Rux |
28.4 |
32 |
|
|
Sirkoniy |
|
5.5 (20–200°C harorat intervallarida) |
6.9 (20–400°C harorat ntervallarida) |
|
Surma |
9.8 |
10.8 |
|
|
Tantal |
6.3 |
6.5 |
|
|
Temir |
11.7 |
12.2 |
14.5 |
|
Titan |
8.4 |
|
10.0 |
|
Vismut |
13.4 |
13.4 |
|
|
Volfram |
4.5 |
4.5 |
4.7 |
|
Xrom |
6.2 |
6.6 |
9.2 |
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