Uea ʻaila CuNi45/CuNi44/CuNi40 i hoʻopili ʻia
Wehewehe Huahana
Ua hoʻohana nui ʻia kēia mau uea kū'ē enameled no nā resistors maʻamau, nā kaʻa
nā ʻāpana, nā pale wili, a pēlā aku e hoʻohana ana i ke kaʻina hana insulation kūpono loa no kēia mau noi, e hoʻohana pono ana i nā hiʻohiʻona ʻokoʻa o ka uhi enamel.
Eia kekahi, e hoʻokō mākou i ka uhi enamel insulation o ka uea metala makamae e like me ke kālā a me ka uea platinum ma ke kauoha. E ʻoluʻolu e hoʻohana i kēia hana-ma-ke kauoha.
ʻAno uea Alloy ʻōlohelohe
ʻO ka mea hoʻohuihui hiki iā mākou ke hana i ka enamelled he uea keleawe-nickel, uea Constantan, uea Manganin. Kama Wire, uea NiCr Alloy, uea FeCrAl Alloy etc.
ʻAno o ka pale ʻana
| Inoa enamel-insulation | Pae WeraºC (manawa hana 2000h) | Inoa Kōmike | Kōmike GB | ʻAno ANSI |
| Uea enamelled polyurethane | 130 | ʻUEW | QA | MW75C |
| Uea enamelled polyester | 155 | PEW | QZ | MW5C |
| Uea enamelled polyester-imide | 180 | EIW | QZY | MW30C |
| Uea enameled i uhi ʻia me ka polyester-imide a me ka polyamide-imide | 200 | ʻEIWH (DFWF) | QZY/XY | MW35C |
| Uea enamelled polyamide-imide | 220 | AIW | QXY | MW81C |
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Ka nui o nā kemika, %
| Ni | Mn | Fe | Si | Cu | ʻĒ aʻe | Kuhikuhi ROHS | |||
| Cd | Pb | Hg | Cr | ||||||
| 44 | 1% | 0.5 | - | Bal | - | ND | ND | ND | ND |
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Nā Waiwai Mekanika
| Ka Mahana Hana Hoʻomau Loa | 400ºC |
| Ke kūpaʻa ma 20ºC | 0.49±5%ohm mm2/m |
| Ka nui o ka paʻa | 8.9 g/cm3 |
| Ka Hoʻokele Wela | -6(Max) |
| Kiko Heheʻe | 1280ºC |
| Ikaika Tensile, N/mm2 Annealed, Palupalu | 340~535 Mpa |
| Ikaika Tensile, N/mm3 ʻōwili anu | 680~1070 Mpa |
| Elongation (anneal) | 25% (Min) |
| Elongation (ʻōwili anu) | ≥Min)2%(Min) |
| EMF vs Cu, μV/ºC (0~100ºC) | -43 |
| ʻAno Micrographic | ʻaustenite |
| Waiwai Makeneka | ʻAʻole |
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Ka hoʻohana ʻana o Constantan
He mea hoʻohuihui keleawe-nickel ʻo Constantan nona nā ʻāpana liʻiliʻi kūikawā o ka mea hoʻohui.
nā mea e hoʻokō ai i nā waiwai kikoʻī no ke koina mahana o ka resistivity. Akahele
ka kaohi ʻana i nā hana hoʻoheheʻe a me ka hoʻololi ʻana e hopena i kahi pae haʻahaʻa loa o nā pinholes ma
nā mānoanoa lahilahi loa. Hoʻohana nui ʻia ka metala no nā mea pale foil a me nā ana hoʻoemi.
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