Waea Karma mō ngā Ātete Tika(0.02mm, 0.03mm, 0.04mm)
1. Koranu Karma
Ko te koranu Karma he mea hanga ki te parahi, te nikara, te konumohe me te rino hei wāhanga matua. E 2~3 ngā wā teitei ake te ātete i te MENTONG. He iti ake te tauwehenga pāmahana ātete (TCR), he iti ake te EMF wera i te parahi, he pai te pumau o te ātete mō te wā roa, ā, he kaha te ārai-waikura. He whānui ake tōna awhe pāmahana mahi i te MENTONG (-60~300ºC). He pai mō te hanga i ngā huānga ātete tino tika me te taumahatanga.
2. Rahi o te Karma
Waea: 0.01mm-10mm
Rīpene: 0.05*0.2mm-2.0*6.0mm
Rīpene: 0.5*5.0mm-5.0*250mm
3. Karma Property
| ingoa | waehere | Te Hanganga Matua (%) | Paerewa | |||
| Cr | Al | Fe | Ni | |||
| Karma | 6J22 | 19~21 | 2.5~3.2 | 2.0~3.0 | pauna | JB/T 5328 |
| Ingoa | Waehere | (20ºC) Ātete (μΩ.m) | (20ºC) Tauwehenga Pāmahana o te Ātete (αX10-6/ºC) | (0~100ºC) Te Wera EMF me te Parahi (μv/ºC) | Te mahi nui rawa atu Te pāmahana (ºC) | (%) Te whakaroa | (N/mm2) Kukume Kaha | Paerewa |
| Karma | 6J22 | 1.33±0.07 | ≤±20 | ≤2.5 | ≤300 | >7 | ≥780 | JB/T 5328 |
4. Ngā āhuatanga motuhake o te waea ātete Karma
1) I tīmata mā te waea wera hiko Nickel Chromium Akomanga 1, i whakakapia ētahi o ngā Ni ki
Al me ētahi atu huānga, ā, nō reira i tutuki ai he rauemi ātete tino tika me te whakapai ake
te tauwehenga pāmahana ātete me te kaha hiko wera ki te parahi.
Mā te tāpiri o te Al, kua angitu mātou ki te whakanui ake i te ātete rōrahi ki te 1.2 ngā wā.
i te waea wera hiko Nickel Chromium Akomanga 1, ā, ko tōna kaha kume he 1.3 ngā wā te nui ake.
2) He tino iti te tauwehenga pāmahana tuarua β o te waea Karmalloy KMW, - 0.03 × 10-6/ K2,
ā, ko te pihi pāmahana ātete ka tata rite ki te rārangi tika i roto i te whānui
awhe pāmahana.
Nō reira, ko te tauwehenga pāmahana kua whakatakotoria hei tauwehenga pāmahana toharite i waenga i
23 ~ 53 °C, engari 1 × 10-6/K, ko te tauwehenga pāmahana toharite i waenga i te 0 ~ 100 °C, tera pea
kia whakamahia mō te tauwehenga pāmahana.
3) He iti hoki te kaha hikohiko ki te parahi i waenga i te 1 ~ 100 °C, i raro iho i te + 2 μV/K, ā,
he tino pumau te āhua mō ngā tau maha.
4) Mena ka whakamahia tēnei hei rauemi ātete ki te tino tika, ka whakamahia te maimoatanga wera pāmahana iti
e hiahiatia ana hei whakakore i ngā hapa tukatuka, pērā i te waea Manganin CMW.
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