Karmakukula
Waya: 0.01mm-10mm
Riboni: 0.05 * 0.2mm-2.0 * 6.0mm
Mzere: 0.5 * 5.0mm-5.0 * 250mm
3.Karma Katundu
dzina | kodi | Kupanga Kwakukulu (%) | Standard | |||
Cr | Al | Fe | Ni | |||
Karma | 6j22 ndi | 19-21 | 2.5-3.2 | 2.0-3.0 | bala. | JB/T 5328 |
Dzina | Kodi | (20ºC) Kukaniza (μΩ.m) | (20ºC) Temp. Coeff.Of Resistance (αX10-6/ºC) | (0 ~ 100ºC) ThermalEMF vs. Copper (μv/ºC) | Max.ntchito Kutentha.(ºC) | (%) Elongation | (N/mm2) Tensile Mphamvu | Standard |
Karma | 6j22 ndi | 1.33±0.07 | ≤±20 | ≤2.5 | ≤300 | > 7 | ≥780 | JB/T 5328 |
4. Zodziwika za waya wotsutsa wa Karma
1) Kuyambira ndi Nickel Chromium waya wotentha wamagetsi Kalasi 1, tidasintha zina mwa Ni ndi Al ndi zinthu zina, motero tidapeza zida zokanira zolimba ndi kukana kutentha kokwanira komanso mphamvu yamagetsi yamagetsi motsutsana ndi mkuwa.
Ndi kuwonjezera kwa Al, tachita bwino kupanga voliyumu resistivity 1.2 nthawi zazikulu
kuposa Nickel Chromium mawaya otentha amagetsi a Gulu 1 ndi mphamvu zamakokedwe kuwirikiza ka 1.3.
2) Kutentha kwachiwiri β wa waya wa Karmalloy KMW ndi kochepa kwambiri, - 0.03 × 10-6 / K2,
ndi kutsutsa kutentha kumapindikira kumakhala pafupifupi mzere wolunjika mkati mwa kutentha kwakukulu.
Chifukwa chake, kutentha kwapakati kumayikidwa kukhala pafupifupi kutentha kwapakati pa 23 ~ 53 °C, koma 1 × 10-6 / K, pafupifupi kutentha kwapakati pa 0 ~ 100 ° C, kungathenso.
kutengera kutentha kwa coefficient.
3) Mphamvu yamagetsi yolimbana ndi mkuwa pakati pa 1 ~ 100 °C nayonso ndi yaying'ono, pansi pa + 2 μV/K, ndipo imawonetsa kukhazikika bwino kwazaka zambiri.
4) Ngati izi zikuyenera kugwiritsidwa ntchito ngati chida chokanira cholondola, chithandizo cha kutentha kwapang'onopang'ono chimafunika kuti athetse kupotoza kwa kukonza monga momwe zimakhalira ndi waya wa Manganin CMW.
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