Konge Alloy Iron Nickel waya Invar / Vacodil36/ Feni36 fun Gilasi Lilẹ
Invar/ Vacodil36/Feni36Waya fun Gilasi Igbẹhin
Iyasọtọ: alasọdipúpọ kekere ti alloy imugboroosi gbona
Ohun elo: A nlo Invar nibiti o nilo iduroṣinṣin onisẹpo giga, gẹgẹbi awọn ohun elo konge, awọn aago, awọn iwọn jigijigi, awọn fireemu iboju-boju tẹlifisiọnu, awọn falifu ninu awọn mọto, ati awọn iṣọ antimagnetic. Ninu iwadi ilẹ, nigbati o yẹ ki o ṣe ipele akọkọ-ipele giga, awọn ọpa ipele ti a lo jẹ ti Invar, dipo igi, gilaasi, tabi awọn irin miiran. Invar struts ni a lo ni diẹ ninu awọn pistons lati ṣe idinwo imugboroja igbona wọn ninu awọn silinda wọn.
Iṣọkan Kemikali ni%, Invar
| Ni 35-37% | Fe . | C 0.05% | Si 0.3% | Mn 0,3-0,6% | S ìwọ 0.015% |
| P 0.015% | Mo 0.1% | V 0.1% | Al 0.1% | Cu 0.1% | Cr 0,15% |
Awọn iduro ti ara ipilẹ ati awọn ohun-ini ẹrọ ti alloy:
Ìwúwo: γ = 8,1 g / cm3;
Itanna elekitiriki: ρ = 0,78 ohm mm2? / m;
Awọn iwọn otutu ti aaye Curie: Θs = 230 ° C;
Modulu ti elasticity E = 144 kN / mm2;
olùsọdipúpọ̀ onílà a1 (20-100 ºC) ≤1,5 * 10-6 ºC -1
| Iwọn iwọn otutu/ºC | 1/10-6ºC-1 | Iwọn iwọn otutu/ºC | 1/10-6ºC-1 |
| 20 ~-60 | 1.8 | 20-250 | 3.6 |
| 20 ~-40 | 1.8 | 20-300 | 5.2 |
| 20 ~-20 | 1.6 | 20-350 | 6.5 |
| 20 ~ 0 | 1.6 | 20-400 | 7.8 |
| 20-50 | 1.1 | 20-450 | 8.9 |
| 20 ~ 100 | 1.4 | 20-500 | 9.7 |
| 20-150 | 1.9 | 20-550 | 10.4 |
| 20-200 | 2.5 | 20 ~ 600 | 11 |
