Enameled CuNi45 / CuNi44 / CuNi40 Alloy Hlau
Kev piav qhia txog khoom
Cov xov hlau tiv thaiv enameled no tau siv dav rau cov qauv resistors, tsheb
cov khoom, cov khoom tiv taus winding, thiab lwm yam siv cov txheej txheem rwb thaiv tsev zoo tshaj plaws rau cov ntawv thov no, siv tag nrho cov yam ntxwv tshwj xeeb ntawm cov txheej enamel.
Tsis tas li ntawd xwb, peb yuav ua cov txheej txheej rwb thaiv tsev ntawm cov hlau muaj nqis xws li hlau nyiaj thiab hlau platinum thaum koj xaj. Thov siv qhov kev tsim khoom no raws li kev txiav txim.
Hom hlau Alloy liab qab
Cov hlau uas peb ua tau enamelled yog tooj liab-nickel hlau hlau, Constantan hlau, Manganin hlau. Kama hlau, NiCr hlau hlau, FeCrAl hlau hlau thiab lwm yam hlau hlau hlau
Hom kev rwb thaiv tsev
| Lub Npe Rwb Thaiv Tsev-enamelled | Thermal QibºC (lub sijhawm ua haujlwm 2000h) | Lub Npe Tus lej | GB Code | ANSI. HOM |
| Polyurethane enamelled hlau | 130 | UEW | QA | MW75C |
| Polyester enamelled hlau | 155 | PEW | QZ | MW5C |
| Polyester-imide enamelled hlau | 180 | EIW | QZY | MW30C |
| Polyester-imide thiab polyamide-imide ob txheej enameled hlau | 200 | EIWH (DFWF) | QZY/XY | MW35C |
| Polyamide-imide enamelled hlau | 220 | AIW | QXY | MW81C |
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Cov Ntsiab Lus Tshuaj,%
| Ni | Mn | Fe | Si | Cu | Lwm yam | Cov Lus Qhia ROHS | |||
| Cd | Pb | Hg | Cr | ||||||
| 44 | 1% | 0.5 | - | Bal | - | ND | ND | ND | ND |
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Cov Khoom Siv Kho Tshuab
| Max Kev Pabcuam Txuas Ntxiv Mus | 400ºC |
| Kev tiv taus ntawm 20ºC | 0.49 ± 5% ohm mm2 / m |
| Qhov Ceev | 8.9 g/cm3 |
| Kev Ua Kub | -6 (Tshaj plaws) |
| Qhov Kub Yaj | 1280ºC |
| Lub zog tensile, N / mm2 Annealed, Mos | 340 ~ 535 Mpa |
| Lub zog tensile, N / mm3 Txias dov | 680 ~ 1070 Mpa |
| Kev ncua ntev (anneal) | 25% (Yam tsawg kawg nkaus) |
| Kev ncab (kub dov) | ≥Min)2% (Min) |
| EMF vs Cu, μV/ºC (0~100ºC) | -43 |
| Cov Qauv Micrographic | austenite |
| Khoom Siv Sib Nqus | Tsis yog |
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Kev siv ntawm Constantan
Constantan yog ib qho hlau tooj liab-nickel uas muaj cov khoom me me ntxiv
cov ntsiab lus kom ua tiav cov nqi tseeb rau qhov kub thiab txias coefficient ntawm resistivity. Ceev faj
kev tswj hwm ntawm kev yaj thiab kev hloov pauv ua rau muaj qib qis heev ntawm cov qhov ntawm
cov tuab tuab heev. Cov hlau no siv dav rau cov ntawv ci resistors thiab cov ntsuas kev ntxhov siab.
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