Aloyi wa Chrome wa NikeliKarma
Ma aloyi a conductor otenthetsera, aloyi a nichrome, waya wozungulira komanso wathyathyathya 0.1*5mm
Tanthauzo:
Waya wotsutsa ndi mtundu wa waya womwe uli ndi kukana kwakukulu kwamagetsi, zomwe zikutanthauza kuti umakana kuyenda kwa magetsi.
Kawirikawiri imapangidwa kuchokera ku zinthu monga nichrome (nickel-chromium) kapena (iron-chromium-aluminium), zomwe zimakhala ndi mphamvu zamagetsi zomwe zimapangitsa kuti zikhale zoyenera kugwiritsidwa ntchito pamene kutentha kumapangidwira.
Waya woteteza umagwiritsidwa ntchito kwambiri mu zinthu zotenthetsera, zida zamagetsi, uvuni zamafakitale, ndi zida zina zomwe zimafuna kutenthetsa koyenera kapena kulamulira kutentha.
Waya wokana umasankhidwa chifukwa cha kuthekera kwake kopanga kutentha bwino komanso kupirira kutentha kwambiri popanda kusungunuka kapena kusokonekera.
Giredi: Ni80Cr20 ,MWS-650,NiCrA,Tophet A,HAI-NiCr 80,Chromel A,Alloy A,N8,Resistohm 80, Stablohm 650,Nichorme V etc.
Waya wokana ndi mtundu wa waya wopangidwa kuchokera ku chinthu chomwe chili ndi mphamvu zamagetsi zambiri, monga nichrome.
Amagwiritsidwa ntchito kwambiri potenthetsera zinthu, monga zomwe zimapezeka mu toaster, uvuni, ndi makina oumitsira tsitsi, komanso m'mafakitale monga kutentha mu uvuni ndi ma thermocouple.
Kulimba kwa waya kumapangitsa kuti ipange kutentha pamene magetsi adutsamo, zomwe zimapangitsa kuti ikhale chinthu chotenthetsera bwino.
Magawo a nickel chromium alloy product:
| Katundu/Giredi | NiCr 80/20 | NiCr 70/30 | NiCr 60/15 | NiCr 35/20 | NiCr 30/20 | |
| Main Chemical Composition(%) | Ni | Mbala. | Mbala. | 55.0-61.0 | 34.0-37.0 | 30.0-34.0 |
| Cr | 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 | Mbala. | Mbala. | Mbala. | |
| Kutentha Kwambiri Kogwira Ntchito (ºC) | 1200 | 1250 | 1150 | 1100 | 1100 | |
| Kukana kutentha pa 20ºC (μΩ · m) | 1.09 | 1.18 | 1.12 | 1.04 | 1.04 | |
| Kuchulukana (g/cm3) | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 | |
| Kutentha kwa Matenthedwe (KJ/m· h· ºC) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
| Koyefishienti ya Kukula kwa Kutentha (α × 10-6/ºC) | 18 | 17 | 17 | 19 | 19 | |
| Malo Osungunuka (ºC) | 1400 | 1380 | 1390 | 1390 | 1390 | |
| Kutalika (%) | > 20 | > 20 | > 20 | > 20 | > 20 | |
| Kapangidwe ka Micrographic | austenite | austenite | austenite | austenite | austenite | |
| Katundu wa Maginito | zopanda mphamvu ya maginito | zopanda mphamvu ya maginito | zopanda mphamvu ya maginito | zopanda mphamvu ya maginito | zopanda mphamvu ya maginito | |
Katundu wa makina a waya wa nichrome
| Kutentha Kwambiri Kosalekeza kwa Utumiki: | 1250ºC |
| Kukhazikika kwa kutentha kwa 20ºC: | 1.18 ohm mm2/m |
| Kuchulukana: | 8.1 g/cm3 |
| Kutentha kwa Matenthedwe: | 45.3KJ/m·h·ºC |
| Kuchuluka kwa Kutentha: | 17 α×10-6/ºC |
| Malo Osungunula: | 1380ºC |
| Kutalika: | Osachepera 20% |
| Kapangidwe ka Micrographic: | Austenite |
| Katundu wa Maginito: | zopanda mphamvu ya maginito |
Zinthu Zokhudza Kutentha kwa Magetsi
| 20ºC | 100ºC | 200ºC | 300ºC | 400ºC | 500ºC | 600ºC |
| 1 | 1.006 | 1.012 | 1.018 | 1.025 | 1.026 | 1.018 |
| 700ºC | 800ºC | 900ºC | 1000ºC | 1100ºC | 1200ºC | 1300ºC |
| 1.01 | 1.008 | 1.01 | 1.014 | 1.021 | 1.025 | - |
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