Nikara KonukōreKarma
Waea porowhita me te papatahi o ngā koranu arataki whakamahana, koranu nichrome 0.1*5mm
Whakamāramatanga:
Ko te waea ātete he momo waea he nui te ātete hiko, arā, ka ātete i te rere o te iahiko.
He mea hanga i te nuinga o te wā mai i ngā koranu pērā i te nichrome (nickel-chromium) (rino-chromium-aluminium) rānei, he āhuatanga hiko motuhake ō rātou e pai ai mō ngā mahi e puta ai te wera.
Ko te waea ātete e whakamahia whānuitia ana i roto i ngā wāhanga whakamahana, i ngā taputapu hiko, i ngā oumu ahumahi, me ētahi atu taputapu e hiahia ana kia whakahaerehia te whakamahana, te whakahaere pāmahana rānei.
Ka whiriwhiria te waea ātete nā tōna kaha ki te whakaputa wera me te tu atu i ngā pāmahana tiketike me te kore e rewa, e memeha rānei.
Tau: Ni80Cr20 ,MWS-650,NiCrA,Tophet A,HAI-NiCr 80,Chromel A,Alloy A,N8,Resistohm 80, Stablohm 650,Nichorme V etc.
Ko te waea ātete he momo waea i hangaia mai i tētahi rauemi he teitei te ātete hiko, pērā i te nichrome.
He mea whakamahi noa i roto i ngā wāhanga whakamahana, pērā i ngā mea e kitea ana i roto i ngā tōstare, ngā oumu, me ngā whakamaroke makawe, tae atu ki ngā tono ahumahi pērā i te whakamahana oumu me ngā thermocouples.
Nā te ātete teitei o te waea ka taea te whakaputa wera ina tukuna he iahiko mā roto, ka waiho hei huānga whakamahana whai hua.
Ngā tawhā o te hua koranu nikara konukōmiuma:
| Ngā Āhuatanga/Te Taumata | NiCr 80/20 | NiCr 70/30 | NiCr 60/15 | NiCr 35/20 | NiCr 30/20 | |
| Te Hanganga Matū Matua (%) | Ni | Para. | Para. | 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 | Para. | Para. | Para. | |
| Te Pāmahana Mahi Mōrahi (ºC) | 1200 | 1250 | 1150 | 1100 | 1100 | |
| Ātete i te 20ºC (μ Ω · m) | 1.09 | 1.18 | 1.12 | 1.04 | 1.04 | |
| Kiato (g/cm3) | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 | |
| Te Arahi Wera (KJ/m· h· ºC) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
| Tauwehenga o te Whānuitanga Wera (α × 10-6/ºC) | 18 | 17 | 17 | 19 | 19 | |
| Te Pūwāhi Rewa (ºC) | 1400 | 1380 | 1390 | 1390 | 1390 | |
| Te roanga (%) | > 20 | > 20 | > 20 | > 20 | > 20 | |
| Hanganga Moroiti | austenite | austenite | austenite | austenite | austenite | |
| Āhuatanga Aukume | kore-aukume | kore-aukume | kore-aukume | kore-aukume | kore-aukume | |
Ngā Āhuatanga Hangarau o te waea nichrome
| Te pāmahana ratonga tonu mōrahi: | 1250ºC |
| Ātete 20ºC: | 1.18 ohm mm2/m |
| Kiato: | 8.1 karamu/cm3 |
| Te Arahi Wera: | 45.3KJ/m·h·ºC |
| Tauwehenga o te Whakawhanuitanga Wera: | 17 α×10-6/ºC |
| Te Pūwāhi Rewa: | 1380ºC |
| Te roa: | 20% iti rawa |
| Hanganga Moroiti: | Austenite |
| Āhuatanga Aukume: | kore-aukume |
Ngā Tauwehenga Pāmahana o te Ātete Hiko
| 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 | - |
150 0000 2421