Madaidaicin Alloy Iron Nickel waya Invar/ Vacodil36/ Feni36 don Gilashin Gilashin
Invar/ Vacodil36/Feni36Waya don Gilashin Rufewa
Rarraba: ƙananan ƙididdiga na thermal fadada gami
Aikace-aikace: Ana amfani da Invar inda ake buƙatar kwanciyar hankali mai girma, kamar kayan aiki daidai, agogo, ma'aunin girgizar ƙasa, firam ɗin-mask inuwar talabijin, bawuloli a cikin injina, da agogon antimagnetic. A cikin binciken ƙasa, lokacin da za a yi matakin farko (madaidaici) matakin ɗagawa, sandunan daidaitawar da ake amfani da su ana yin su ne da Invar, maimakon itace, fiberglass, ko wasu karafa. An yi amfani da invar struts a wasu pistons don iyakance haɓakar zafi a cikin silindansu.
Haɗin sinadarai a cikin%, Invar
| Ni 35-37% | Fe . | C 0.05% | Si 0.3% | Mn 0,3-0,6% | S o 0.015% |
| P 0.015% | Mo 0.1% | V 0.1% | Al 0.1% | Cu 0.1% | Cr 0.15% |
Mahimman madaurin jiki da kaddarorin inji na gami:
Yawan yawa: γ = 8,1 g / cm3;
Rashin ƙarfin lantarki: ρ = 0,78 ohm mm2? /m;
Yanayin zafin jiki na Curie: Θs = 230 ° C;
Modulus na elasticity E = 144 kN / mm2;
Ƙididdigar faɗaɗa madaidaici a1 (20-100 ºC) ≤1,5 * 10-6 ºC -1
| Yanayin Zazzabi/ºC | 1/10-6ºC-1 | Yanayin Zazzabi/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 |
