I-Invar/ Vacodil36/I-Feni36Ucingo Lokuvala Ingilazi
Ukuhlukaniswa: i-coefficient ephansi ye-alloy yokwandisa ukushisa
Isicelo:I-Invarisetshenziswa lapho kudingeka khona ukuzinza okuphezulu, njengezinsimbi zokucacisa, amawashi, ama-seismic creep gauges, ozimele be-shadow-mask kamabonakude, ama-valve kuma-motor, kanye namawashi alwa ne-magnetic. Ekuhlolweni komhlaba, lapho kufanele kwenziwe ukulinganisa ukuphakama kwe-oda lokuqala (okunembile kakhulu), izinduku zokulinganisa ezisetshenziswayo zenziwe nge-Invar, esikhundleni sokhuni, i-fiberglass, noma ezinye izinsimbi. Ama-Invar struts asetshenziswa kwamanye ama-piston ukuze anciphise ukwanda kwawo kokushisa ngaphakathi kwama-cylinder awo.
Ukwakheka Kwamakhemikhali ku-%, 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 % |
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Ama-constant ayisisekelo angokwenyama kanye nezakhiwo ze-alloy:
Ubuningi: γ = 8,1 g / cm3;
Ukumelana kukagesi: ρ = 0,78 ohm mm2 ? / m;
Izinga lokushisa lephuzu leCurie: Θs = 230 ° C;
I-Modulus yokunwebeka E = 144 kN / mm2;
I-coefficient yokwandisa okuqondile a1 (20-100 ºC) ≤1,5 * 10-6 ºC -1
| Ibanga Lokushisa/ºC | 1/10-6ºC-1 | Ibanga Lokushisa/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 |
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