Nickel Chrome AlloyKarma
ʻO ke kaula hoʻomehana conductor alloys nichrome alloy poepoe a me ka uea pālahalaha 0.1 * 5mm
Wehewehena:
ʻO ke uea kū'ē kahi ʻano uea me ke kūpaʻa uila kiʻekiʻe, ʻo ia hoʻi ke kū'ē nei i ke kahe o ke au uila.
Hana ʻia ia mai nā mea hoʻohuihui e like me ka nichrome (nickel-chromium) a i ʻole (hao-chromium-aluminum), nona nā waiwai uila kūikawā e kūpono ai no nā noi kahi i hoʻopuka ʻia ai ka wela.
Hoʻohana pinepine ʻia ka uea kū'ē i nā mea hoʻomehana, nā mīkini uila, nā umu ʻoihana, a me nā mea hana ʻē aʻe e pono ai ka hoʻomehana i kāohi ʻia a i ʻole ke hoʻoponopono ʻana i ka mahana.
Ua koho ʻia ke uea kū'ē no kona hiki ke hoʻopuka i ka wela me ka pono a kū i nā mahana kiʻekiʻe me ka ʻole o ka heheʻe ʻana a i ʻole ke ʻano ʻē.
Papa: Ni80Cr20 ,MWS-650,NiCrA,Tophet A,HAI-NiCr 80,Chromel A,Alloy A,N8,Resistohm 80, Stablohm 650,Nichorme V etc.
ʻO ke uea kū'ē kahi ʻano uea i hana ʻia mai kahi mea me ke kū'ē uila kiʻekiʻe, e like me ka nichrome.
Hoʻohana pinepine ʻia ia i nā mea hoʻomehana, e like me nā mea i loaʻa i loko o nā toasters, nā umu, a me nā mea hoʻomaloʻo lauoho, a me nā noi ʻoihana e like me ka hoʻomehana umu a me nā thermocouples.
ʻO ke kūpaʻa kiʻekiʻe o ka uea e hiki ai iā ia ke hoʻoulu i ka wela ke hoʻoili ʻia kahi au uila ma o ia mea, e lilo ia i mea hoʻomehana kūpono.
Nā palena o ka huahana nickel chromium alloy:
| Nā Waiwai/Pae | NiCr 80/20 | NiCr 70/30 | NiCr 60/15 | NiCr 35/20 | NiCr 30/20 | |
| ʻO ka Hoʻohui Kemika Nui (%) | 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. | |
| Ka Mahana Hana Loa (ºC) | 1200 | 1250 | 1150 | 1100 | 1100 | |
| Ke kū'ē ʻana ma 20ºC (μ Ω · m) | 1.09 | 1.18 | 1.12 | 1.04 | 1.04 | |
| Ka nui (g/cm3) | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 | |
| Ka Hoʻokele Wela (KJ/m· h· ºC) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
| Ka helu o ka hoʻonui wela (α × 10-6/ºC) | 18 | 17 | 17 | 19 | 19 | |
| Kiko Heheʻe (ºC) | 1400 | 1380 | 1390 | 1390 | 1390 | |
| Hoʻolōʻihi (%) | > 20 | > 20 | > 20 | > 20 | > 20 | |
| ʻAno Micrographic | ʻaustenite | ʻaustenite | ʻaustenite | ʻaustenite | ʻaustenite | |
| Waiwai Makeneka | ʻaʻohe makeneka | ʻaʻohe makeneka | ʻaʻohe makeneka | ʻaʻohe makeneka | ʻaʻohe makeneka | |
Nā Waiwai Mekanika o ka uea nichrome
| Ka Mahana Hana Hoʻomau Loa: | 1250ºC |
| Kū'ē 20ºC: | 1.18 ohm mm2/m |
| Ka nui o ka paʻa: | 8.1 g/cm3 |
| Ka Hoʻokele Wela: | 45.3KJ/m·h·ºC |
| Ka helu o ka hoʻonui wela: | 17 α×10-6/ºC |
| Kiko Heheʻe: | 1380ºC |
| Hoʻolōʻihi: | 20% liʻiliʻi loa |
| ʻAno Micrographic: | ʻAustenite |
| Waiwai Makeneka: | ʻaʻohe makeneka |
Nā Kumu Mahana o ke Kū'ē Uila
| 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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