Karmakukula
Waya: 0.01mm-10mm
Riboni: 0.05*0.2mm-2.0*6.0mm
Chingwe: 0.5 * 5.0mm-5.0 * 250mm
3. Katundu wa Karma
| dzina | khodi | Kapangidwe Kakakulu (%) | Muyezo | |||
| Cr | Al | Fe | Ni | |||
| Karma | 6J22 | 19~21 | 2.5~3.2 | 2.0~3.0 | bal. | JB/T 5328 |
| Dzina | Khodi | (20ºC) Kusakhazikika (μΩ.m) | (20ºC) Kukana kwa Kutentha kwa Coeff. Of Resistance (αX10-6/ºC) | (0~100ºC) ThermalEMF vs. Copper (μv/ºC) | Kugwira ntchito kwambiri Kutentha (ºC) | (%) Kutalikitsa | (N/mm2) Kulimba Mphamvu | Muyezo |
| Karma | 6J22 | 1.33±0.07 | ≤±20 | ≤2.5 | ≤300 | >7 | ≥780 | JB/T 5328 |
4. Mbali zosiyana za waya wotsutsa Karma
1) Kuyambira ndi waya wotenthetsera wamagetsi wa Nickel Chromium Class 1, tinasintha zina mwa Ni ndi Al ndi zinthu zina, motero tinapeza zinthu zolondola zotsutsana ndi kutentha komwe kumakhala ndi mphamvu yabwino yolimbana ndi kutentha komanso mphamvu yamagetsi yolimbana ndi mkuwa.
Ndi kuwonjezera kwa Al, takwanitsa kupanga kukana kwa voliyumu kukhala kwakukulu nthawi 1.2
kuposa waya wotenthetsera wamagetsi wa Nickel Chromium Class 1 ndipo mphamvu yake yolimba ndi yokulirapo nthawi 1.3.
2) Chiŵerengero cha kutentha chachiwiri β cha waya wa Karmalloy KMW ndi chaching'ono kwambiri, - 0.03 × 10-6/ K2,
ndipo kukana kutentha kwa thupi kumakhala ngati mzere wowongoka mkati mwa kutentha kwakukulu.
Chifukwa chake, kutentha kwapakati pa 23 ~ 53 °C kumayikidwa kuti kukhale kutentha kwapakati pa 23 ~ 53 °C, koma 1 × 10-6/K, kutentha kwapakati pa 0 ~ 100 °C, kungakhalenso
igwiritsidwe ntchito pa kutentha koyenera.
3) Mphamvu yamagetsi yolimbana ndi mkuwa pakati pa 1 ~ 100 °C nayonso ndi yaying'ono, pansi pa + 2 μV/K, ndipo imawonetsa kukhazikika kwabwino kwa zaka zambiri.
4) Ngati izi zikugwiritsidwa ntchito ngati zinthu zotetezera kulondola, chithandizo cha kutentha kochepa chikufunika kuti muchotse kusokonekera kwa processing monga momwe zilili ndi waya wa Manganin CMW.
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