Nickel Chromium NiCr Alloy
Awọn ohun elo nickel-chromium ni a lo ni lilo pupọ ni awọn ileru ina mọnamọna ile-iṣẹ, awọn ohun elo ile, awọn ẹrọ infurarẹẹdi ti o jinna ati awọn ohun elo miiran nitori agbara iwọn otutu giga ti o dara julọ ati pilasitik to lagbara. Nickel-chromium ati irin, aluminiomu, ohun alumọni, erogba, imi-ọjọ ati awọn eroja miiran le ṣe sinu okun waya alloy nickel-chromium, eyiti o ni resistance giga ati resistance ooru ati pe o jẹ ẹya alapapo ina ti ileru ina, irin tita ina, irin ina ati miiran awọn ọja.
Ni afikun, NiCr waya ni a maa n lo ninu okun ti sisun rheostat lati daabobo Circuit ati yi lọwọlọwọ pada ninu Circuit nipa yiyipada resistance ti apakan Circuit wiwọle, nitorinaa yiyipada foliteji kọja adaorin (ohun elo itanna) ti a ti sopọ ni jara pẹlu o, O ti wa ni o gbajumo ni lilo ni kan ti o tobi nọmba ti ìdílé onkan.
NiCr Alloy Series
Ni90Cr10 rinhoho jẹ iru awọn ọja alloy nickel-chromium, o dara fun awọn ohun elo iwọn otutu to 1250°C. Akoonu Chromium n pese akoko igbesi aye to dara pupọ, a maa n lo bi eroja alapapo vape.
Ni90Cr10 jẹ ijuwe nipasẹ resistivity giga, resistance ifoyina ti o dara, ductility ti o dara lẹhin lilo ati weldability to dara julọ. NiCr Alloy jẹ ohun elo ti o dara fun ile-iṣẹ alapapo.
Ni90Cr10 Nickel-Chromium Nickel NiCr Alloy resistance alapapo bankanje rinhoho
Nickel-chromium alloy NiCr Alloy awọn tabili iṣẹ
| NiCr Alloy Performance ohun elo | Cr10Ni90 | Cr20Ni80 | Cr30Ni70 | Cr15Ni60 | Cr20Ni35 | Cr20Ni30 | |
| Tiwqn | Ni | 90 | Sinmi | Sinmi | 55.0 ~ 61.0 | 34.0-37.0 | 30.0 ~ 34.0 |
| Cr | 10 | 20.0-23.0 | 28.0-31.0 | 15.0-18.0 | 18.0-21.0 | 18.0-21.0 | |
| Fe |
| ≤1.0 | ≤1.0 | Sinmi | Sinmi | Sinmi | |
| Iwọn otutu ti o pọju ℃ | 1300 | 1200 | 1250 | 1150 | 1100 | 1100 | |
| Oju yo ℃ | 1400 | 1400 | 1380 | 1390 | 1390 | 1390 | |
| Ìwọ̀n g/cm3 | 8.7 | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 | |
| Resistivity |
| 1.09 ± 0.05 | 1.18 ± 0.05 | 1.12 ± 0.05 | 1.00 ± 0.05 | 1.04 ± 0.05 | |
| μΩ·m,20℃ | |||||||
| Elongation ni rupture | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | |
| Ooru pato |
| 0.44 | 0.461 | 0.494 | 0.5 | 0.5 | |
| J/g.℃ | |||||||
| Gbona elekitiriki |
| 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
| KJ/mh ℃ | |||||||
| olùsọdipúpọ ti awọn ila imugboroosi |
| 18 | 17 | 17 | 19 | 19 | |
| ×10-6/ | |||||||
| (20～1000℃) | |||||||
| Micrographic be |
| Austenite | Austenite | Austenite | Austenite | Austenite | |
| Awọn ohun-ini oofa |
| Ti kii ṣe oofa | Ti kii ṣe oofa | Ti kii ṣe oofa | Oofa ti ko lagbara | Oofa ti ko lagbara | |