Alloy na Nickel ChromeKarma
Alloy na mai dumama ƙarfe mai zagaye da lebur na nichrome 0.1*5mm
Ma'anar:
Wayar juriya nau'i ne na waya wanda ke da juriyar lantarki mai yawa, ma'ana yana tsayayya da kwararar wutar lantarki.
Yawanci ana yin sa ne da ƙarfe kamar nichrome (nickel-chromium) ko (iron-chromium-aluminum), waɗanda ke da takamaiman kaddarorin lantarki waɗanda ke sa su dace da amfani a inda ake samar da zafi.
Ana amfani da waya mai jurewa a cikin abubuwan dumama, kayan lantarki, tanderun masana'antu, da sauran na'urori waɗanda ke buƙatar sarrafa dumama ko daidaita zafin jiki.
Ana zaɓar wayar juriya saboda iyawarta ta samar da zafi yadda ya kamata da kuma jure yanayin zafi mai tsanani ba tare da narkewa ko canza launi ba.
MatsayiNi80Cr20,MWS-650,NiCrA,Tophet A,HAI-NiCr 80,Chromel A,Alloy A,N8,Resistohm 80,Stablohm 650,Nichorme V da dai sauransu.
Wayar juriya nau'in waya ce da aka yi da kayan da ke da ƙarfin juriyar lantarki, kamar nichrome.
Ana amfani da shi sosai a cikin abubuwan dumama, kamar waɗanda ake samu a cikin injinan gasa burodi, tanda, da na'urorin busar da gashi, da kuma a cikin aikace-aikacen masana'antu kamar dumama tanda da thermocouples.
Yawan juriyar wayar yana ba ta damar samar da zafi lokacin da aka wuce wutar lantarki ta cikinta, wanda hakan ke sa ta zama abin dumama mai tasiri.
Sigogi na samfurin gami na nickel chromium:
| Kayayyaki/Mataki | NiCr 80/20 | NiCr 70/30 | NiCr 60/15 | NiCr 35/20 | NiCr 30/20 | |
| Babban Sinadarin Sinadarai(%) | Ni | Bal. | Bal. | 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 | Bal. | Bal. | Bal. | |
| Matsakaicin Zafin Aiki (ºC) | 1200 | 1250 | 1150 | 1100 | 1100 | |
| Juriyar yanayi a 20ºC (μΩ · m) | 1.09 | 1.18 | 1.12 | 1.04 | 1.04 | |
| Yawan yawa (g/cm3) | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 | |
| Tsarin kwararar zafi (KJ/m·h·ºC) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
| Ma'aunin Faɗaɗawar Zafi (α × 10-6/ºC) | 18 | 17 | 17 | 19 | 19 | |
| Wurin Narkewa (ºC) | 1400 | 1380 | 1390 | 1390 | 1390 | |
| Tsawaita (%) | > 20 | > 20 | > 20 | > 20 | > 20 | |
| Tsarin Micrographic | austenite | austenite | austenite | austenite | austenite | |
| Kadarar Magnetic | ba na maganadisu ba | ba na maganadisu ba | ba na maganadisu ba | ba na maganadisu ba | ba na maganadisu ba | |
Inji Properties na nichrome waya
| Matsakaicin Zafin Aiki Mai Ci Gaba: | 1250ºC |
| Juriya 20ºC: | 1.18 ohm mm2/m |
| Yawan yawa: | 8.1 g/cm3 |
| Tsarin kwararar zafi: | 45.3KJ/m·h·ºC |
| Ma'aunin Faɗaɗawar Zafi: | 17 α × 10-6/ºC |
| Wurin Narkewa: | 1380ºC |
| Ƙarawa: | Mafi ƙarancin kashi 20% |
| Tsarin Micrographic: | Austenite |
| Kadarar Magnetic: | ba na maganadisu ba |
Abubuwan Zafin Jiki na Juriyar Lantarki
| 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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