Ni30Cr20Nichrome Hlau rau Hlau Tiv Thaiv, Tiv Thaiv Cua Sov Sawb
Daim Ntawv Thov: Nichrome, ib qho hlau tsis muaj hlau nplaum ntawm nickel thiab chromium, feem ntau yog siv los ua hlau tiv thaiv.
Vim tias nws muaj lub zog tiv taus siab thiab tiv taus oxidation ntawm qhov kub siab. Thaum siv ua lub cua sov, cov hlau tiv taus feem ntau yog qhwv rau hauv cov kauj.
Cov hlau Nichrome feem ntau siv rau hauv cov khoom siv av nplaum ua lub hauv paus txhawb nqa sab hauv los pab qee cov khoom ntawm cov duab puab av nplaum tuav lawv cov duab thaum lawv tseem mos. Cov hlau Nichrome siv vim nws muaj peev xwm tiv taus qhov kub siab uas tshwm sim thaum cov av nplaum raug hlawv hauv lub qhov cub.
Ni30Cr20
Cov Ntsiab Lus Tshuaj,%
| C | P | S | Mn | Si | Cr | Ni | Fe | Lwm yam |
| Qhov siab tshaj plaws | ||||||||
| 0.08 | 0.02 | 0.015 | 1.0 | 1.0-3.0 | 18.0~21.0 | 30.0-34.0 | Bal. | - |
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Cov Khoom Siv Kho Tshuab
| Qhov Kub Tshaj Plaws Kev Pabcuam Txuas Ntxiv Mus: Kev Tiv Thaiv 20ºC: Kev Ceev: Kev Ua Haujlwm Thermal: Coefficient of Thermal Expansion: Melting Point: Kev ntev: Cov Qauv Micrographic: Khoom Siv Sib Nqus: | 1100ºC1.04 +/-0.05 ohm mm2/m7.9 g/cm343.8 KJ/m·h·ºC19×10-6/ºC (20ºC~1000ºC) 1390ºC Yam tsawg kawg nkaus 20% Austenite tsis yog hlau nplaum |
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Khoom siv: NiCr30/20.
Kev Tiv Thaiv: 1.04uΩ. M, 20′C.
Qhov Ceev: 7.9g/cm3.
Qhov Kub Siab Tshaj Plaws Kev Pabcuam Txuas Ntxiv Mus: 1100′C
Melting point: 1390 ℃.
Daim Ntawv Thov:
1. Siv rau hauv kev lag luam tawg thiab foob pob hluav taws ua tus choj hauv cov tshuab hluav taws xob.
2. Cov tshuab txiav ua npuas dej kub rau kev lag luam thiab kev nyiam ua si.
3. Sim xim ntawm nplaim taws hauv qhov tsis ci ntawm hluav taws ntawm ib qho cation.
4. Siv rau hauv cov khoom siv ceramics ua ib qho kev txhawb nqa sab hauv.
Kev Ntim Khoom: Muaj ntau hom kev xaiv ntim khoom uas yoog tau raws li koj tus kheej xav tau.
Peb tsim cov ntawv nplaum nickel-base alloy, suav nrog Ni80Cr20, Ni60Cr23, Ni60Cr16, Ni35Cr20, Ni20Cr25, NiMn, Ni200, Karma, Evanohm, NCHW, thiab lwm yam.
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