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Nicr20alsi ine Waya yeKarma Alloy yePpm Yakanaka

Tsananguro pfupi:

Karma alloy inoumbwa nemhangura, nickel, Aluminium neIron sezvinhu zvikuru. Kudzivirira kwayo kwakakwirira ka2 ~ 3 kupfuura MENTONG. Ine tembiricha yakaderera yekudzivirira (TCR), thermal EMF yakaderera kana ichienzaniswa nemhangura, inogara kwenguva refu uye inodzivirira oxidation yakasimba. Tembiricha yayo yekushanda yakafara kupfuura MENTONG (-60 ~ 300ºC). Yakakodzera kugadzira zvinhu zvinodzivirira zvine hungwaru uye kusvuta.


  • Nhamba yeModhero:karma
  • Kusimba kwemuviri:1.33
  • Zita reChigadzirwa:waya yeKarma
  • Tsanangudzo:0.018-10mm
  • Kuwanda:8.1 g/cm3
  • Kodhi yeHS:75052200
  • pamusoro:Rakajeka
  • Ruzivo rweChigadzirwa

    Mibvunzo Inowanzo bvunzwa

    Matagi eChigadzirwa

    Karmasaizi

    Waya: 0.01mm-10mm
    Ribhoni: 0.05*0.2mm-2.0*6.0mm
    Chidimbu: 0.5*5.0mm-5.0*250mm
    3. Pfuma yeKarma

    zita kodhi Kuumbwa Kwakakosha (%) Zvakajairika
    Cr Al Fe Ni
    Karma  6J22 19~21 2.5~3.2 2.0~3.0 bal. JB/T 5328

     

    Zita Kodhi (20ºC)
    Kuramba
    (μΩ.m)
    (20ºC)
    Kudzivirira kweTemp Coeff.Yekumira
    (αX10-6/ºC)
    (0~100ºC)
    ThermalEMF vs. Copper
    (μv/ºC)
    Kushanda zvakanyanya
    Kupisa (ºC)
    (%)
    Kureba
    (N/mm2)
    Kusimba
    Simba
    Zvakajairika
    Karma 6J22 1.33±0.07 ≤±20 ≤2.5 ≤300 >7 ≥780 JB/T 5328

    4. Zvinhu zvakasiyana zvewaya yekudzivirira Karma

    1) Kutanga neNickel Chromium electric heat wire Class 1, takatsiva mamwe maNi neAl nezvimwe zvinhu, uye nokudaro takawana material ekudzivirira akarurama ne resistance temperature coefficient yakawedzerwa uye heat electromotive force inopesana nemhangura.
    Nekuwedzera kweAl, takabudirira mukuwedzera simba rekudzivirira vhoriyamu neka1.2
    kupfuura Nickel Chromium electric heat wire Class 1 uye simba rekudhonza rakapetwa ka1.3.

    2) Chiyero chechipiri chekupisa β cheKarmalloy wire KMW chidiki kwazvo, - 0.03 × 10-6/ K2,

    uye curve yekudzivirira tembiricha inozoonekwa semutsetse wakatwasuka mukati mehuwandu hwakakura hwetembiricha.

    Saka, chiyero chekupisa chakagadzirirwa kuva chiyero chekupisa chiri pakati pe23 ~ 53 °C, asi 1 × 10-6/K, chiyero chekupisa chiri pakati pe0 ~ 100 °C, chinogonawo
    shandiswa pakuenzanisa tembiricha.

    3) Simba remagetsi rinorwisa mhangura riri pakati pe1 ~ 100 °C dikiwo, riri pasi pe + 2 μV/K, uye rinoratidza kugadzikana kwakanaka kwemakore mazhinji.

    4) Kana ichi chichifanira kushandiswa sechinhu chinodzivisa kupenya, kurapwa nekupisa kushoma kunodiwa kubvisa kukanganisa kwekugadzirisa sezvazvakaita paManganin wire CMW.


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