Qattiq jismlarning chiziqli kengayishining harorat koefitsienti.
Jadvalda ba’zi qattiq jismlarning chiziqli kengayishining harorat koefitsienti α ning o’rtacha qiymatlari keltirilgan.
|
Jism |
Harorat yoki, harorat intervali, °C |
α, 10-6 °C-1 |
|
Beton |
20 |
10-14 |
|
Chinni |
20-700 |
3.4-4.1 |
|
Ebonit |
20 |
70 |
|
Ftoroplast |
20 |
100 |
|
Grafit |
0-1000 |
3.5-8.0 |
|
Granit |
20 |
6-9 |
|
Kvarts oyna |
20-200 |
0.56 |
|
Marmar |
20 |
3-15 |
|
Muz |
-20-0 |
51 |
|
Olmos |
1-100 |
1.2 |
|
Parafin |
0-38 |
130 |
|
Pleksiglass (organik oyna, oynasimon plastmassa) |
20 |
71-77 |
|
Polietilen |
0-50 |
100-200 |
|
Polistirol |
20 |
60-80 |
|
Qahrabo |
0-75 |
57 |
|
Qog’oz |
0-50 |
10 |
|
Seluloid |
20-40 |
74 |
|
Shisha oyna |
20-200 |
9.5 |
|
Yog’och |
|
|
|
» Eman (Дуб), tolalariga paralel |
2.34 |
4.9 |
|
» Eman (дуб), tolalariga perpendikulyar |
2-34 |
54.4 |
|
» Qarag’ay (сосна), tolalariga paralel |
2-34 |
5.4 |
|
» Qarag’ay (сосна), tolalariga perpendikulyar |
2-34 |
34 |
|
Zumrad (qimmatbaho tosh) |
0-85 |
1.0-1.4 |
| < avvаlgi | kеyingi > |
|---|
