Waya yeNiCr20AlSi/Karma/6j22 waya dzeResistors
Karma alloy inoumbwa nemhangura, nickel, Aluminium neIron sezvinhu zvikuru. Kudzivirira kwayo kwakakwirira ka2 ~ 3 kupfuura Manganin. Ine tembiricha yakaderera yekudzivirira (TCR), thermal EMF yakaderera kana ichienzaniswa nemhangura, ine resistance inogara kwenguva refu uye inodzivirira oxidation yakasimba. Tembiricha yayo yekushanda yakafara kupfuura Manganin (-60 ~ 300ºC). Yakakodzera kugadzira zvinhu zvinodzivirira kupisa zvakanaka uye strain foil.
Zviri Mukati meKemikari (%)
| Giredhi | C | Si | Mn | P | S | Ni | Al | Fe | Cr |
| Karma | ≤0.04 | ≤0.20 | 0.5~1.05 | ≤0.010 | ≤0.010 | Bhari. | 2.7~3.2 | 2.0~3.0 | 19.0~21.5 |
Zvimiro zvemuviri
| Giredhi | Kuwanda (g/cm3) | EMF vs. Pt(0-100ºC)μv/ºC | Kushandisa zvakanyanya Kupisa (ºC) | Vhoriyamu kuramba (μΩ.m) | Kukosha kwePPM (×10-6/ºC) |
| Karma | 8.1 | ≤2.5 | ≤300 | 1.33±8%(20ºC) | ≤±30(20ºC) |
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