1. Karma aloyi
Kaloti wa Karma amapangidwa ndi mkuwa, nickel, Aluminiyamu ndi Iron monga zigawo zazikulu. Kukana kwake kuli kokwera nthawi 2-3 kuposa MENTONG. Ali ndi kutentha kochepa kwa coefficient of resistance (TCR), kutentha kochepa kwa EMF poyerekeza ndi mkuwa, kukana kwabwino kwa nthawi yayitali komanso anti-oxidation yamphamvu. Kutentha kwake kogwira ntchito
Kutalika kwake ndi kwakukulu kuposa MENTONG (-60~300ºC). Ndi koyenera kupanga zinthu zotsutsana bwino komanso kupsinjika.
2. Kukula kwa Karma
Waya: 0.018mm-10mm
Riboni: 0.05*0.2mm-2.0*6.0mm
Chingwe: 0.5 * 5.0mm-5.0 * 250mm
Mzere: 10-100mm
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. Mkuwa | 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 adapeza zinthu zolondola zotsutsana ndi zinthu zabwino
mphamvu ya kutentha yokana ndi mphamvu ya electromotive yotenthetsera motsutsana 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 curve ya kutentha yotsutsa imakhala ngati mzere wowongoka mkati mwa mzere waukulu.
kutentha kosiyanasiyana.
Chifukwa chake, chiŵerengero cha kutentha chimayikidwa kuti chikhale chiŵerengero cha kutentha chapakati pakati pa
23 ~ 53 °C, koma 1 × 10-6/K, kutentha kwapakati pakati 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
imaonetsa kukhazikika kwabwino kwambiri kwa zaka zambiri.
4) Ngati izi zikugwiritsidwa ntchito ngati zinthu zotetezera kuuma, kutentha kotsika ndi koyenera
chofunika kuti tichotse kusokonekera kwa ma processing monga momwe zinalili ndi waya wa Manganin CMW.
150 0000 2421