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Fiilada Kululaynta Nichrome Ni80cr20 ee Daaqadda Fiyuuska

Sharaxaad Gaaban:

Cr20Ni80 wuxuu leeyahay sifooyin dhammaystiran oo heer sare ah. Walxaha kululaynta ee tayada sare leh ayaa dooran doona Cr20Ni80. Cr20Ni80 wuxuu leeyahay faa'iidooyinka iska caabbinta oksijiinta wanaagsan, xoog sare, aan birlab ahayn, shucaac sare, iska caabbinta daxalka wanaagsan, jilcinta la'aan, isbeddel la'aan, iyo fidin joogto ah oo hooseeya. Siligga nikkel-chromium, nikkel, ferrochrome dahaarka leh oo leh iska caabbinta oksaydhka heerkulka sare ee korontada, xoog sare, aan jilcin iyo taxanayaal faa'iidooyin ah. Marka la isticmaalo muddo dheer, nooca isku midka ah iyo fidinta joogtada ah aad bay u yar tahay, kaas oo ah dahaarka Cr10Ni90 oo leh sifooyin dhammaystiran oo heer sare ah, waa in la soo saaro noocyo tayo sare leh oo xulasho ah oo loogu talagalay qaybaha korantada.


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Su'aalaha Badiya La Weydiiyo

Calaamadaha Alaabta

Fiilada Kululaynta Nichrome Ni80Cr20 ee daaqadda Fiyuuska

Sharaxaad

Halabuurka Kiimikada iyo Astaamihiisa:
Hantida/Heerka NiCr 80/20 NiCr 70/30 NiCr 60/15
Halabuurka Kiimikada Ugu Muhiimsan(%) Ni Bal. Bal. 55.0-61.0
Cr 20.0-23.0 28.0-31.0 15.0-18.0
Fe ≤ 1.0 ≤ 1.0 Bal.
Heerkulka Shaqada ugu Badan (ºC) 1200 1250 1150
Iska caabin heerkul ah 20ºC (μ Ω · m) 1.09 1.18 1.12
Cufnaanta (g/cm3) 8.4 8.1 8.2
Qaboojinta Kulaylka (KJ/m·h·ºC) 60.3 45.2 45.2
Isugeynta Ballaarinta Kulaylka (α × 10-6/ºC) 18 17 17
Barta Dhalmada (ºC) 1400 1380 1390
Kordhinta (%) > 20 > 20 > 20
Qaab-dhismeedka Micrographic austenit austenit austenit
Hantida Birlabta ah aan birlab ahayn aan birlab ahayn aan birlab ahayn

 

Hantida/Heerka NiCr 35/20 NiCr 30/20 Karma Evanohm
Kiimikada ugu Weyn
Halabuurka (%)
Ni 34.0-37.0 30.0-34.0 Bal Bal
Cr 18.0-21.0 18.0-21.0 19.0-21.5 19.0-21.5
Fe Bal. Bal. 2.0-3.0 -
Heerkulka Shaqada ugu Badan (ºC) 1100 1100 300 1400
Iska caabinta 20ºC
(μ Ω · m)
1.04 1.04 1.33 1.33
Cufnaanta (g/cm3) 7.9 7.9 8.1 8.1
Qaboojinta Kulaylka
(KJ/m·h·ºC)
43.8 43.8 46 46
Isku-darka Kulaylka
Ballaarinta (α × 10-6/ºC)
19 19 - -
Barta Dhalmada (ºC) 1390 1390 1400 1400
Kordhinta (%) > 20 > 20 10-20 10-20
Qaab-dhismeedka Micrographic austenit austenit austenit austenit
Hantida Birlabta ah aan birlab ahayn aan birlab ahayn aan birlab ahayn aan birlab ahayn
Halabuurka Kiimikada Nikkel 80%, Chrome 20%
Xaalad Midab dhalaalaya/Asiidh cad/Oxyid leh
Dhexroorka 0.018mm ~ 1.6mm oo ah spool, 1.5mm-8mm oo ah baakad gariirad ah, 8 ~ 60mm oo ah ul
Silig Wareeg ah oo Nichrome ah Dhexroorka 0.018mm ~ 10mm
Ribbon Nichrome ah Ballaca 5 ~ 0.5mm, dhumucdiisuna waa 0.01-2mm
Xarigga Nichrome Ballaca 450mm ~ 1mm, dhumucdiisuna waa 0.001m ~ 7mm
Dhexroorka Baakad 1.5mm-8mm ah oo gariirad ku jirta, 8 ~ 60mm oo usha ku jirta
Fasal Ni80Cr20, Ni70/30, Ni60Cr15, Ni60Cr23, Ni35Cr20Fe,
Ni30Cr20 Ni80, Ni70, Ni60, Ni40,
Faa'iidada Qaab-dhismeedka birta ee nichrome
waxay siisaa dabacsanaan aad u wanaagsan marka ay qabowdo.
Astaamaha Waxqabadka xasilloon; Ka-hortagga oksaydheynta; Iska caabbinta daxalka;
Xasillooni heerkul sare leh; Awood aad u fiican oo lagu sameeyo isku-xidhka;
Dusha sare oo isku mid ah oo qurux badan oo aan lahayn dhibco.
Isticmaalka Walxaha kululaynta iska caabbinta; Qalabka birta,
Qalabka guriga; Wax soo saarka farsamada iyo
warshadaha kale.
Fiilooyinka iska caabbinta
RW30 W.Nr 1.4864 Nikkel 37%, Chrome 18%, Bir 45%
RW41 UNS N07041 Nikkel 50%, Chrome 19%, Cobalt 11%, Molybdenum 10%, Titanium 3%
RW45 W.Nr 2.0842 Nikkel 45%, Naxaas 55%
RW60 W.Nr 2.4867 Nikkel 60%, Chrome 16%, Bir 24%
RW60 UN NO6004 Nikkel 60%, Chrome 16%, Bir 24%
RW80 W.Nr 2.4869 Nikkel 80%, Chrome 20%
RW80 UN NO6003 Nikkel 80%, Chrome 20%
RW125 W.Nr 1.4725 Birta BAL, Chrome 19%, Aluminium 3%
RW145 W.Nr 1.4767 Birta BAL, Chrome 20%, Aluminium 5%
RW155 Birta BAL, Chrome 27%, Aluminium 7%, Molybdenum 2%

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