Nodular graphite cast iron
    1.
    发明授权
    Nodular graphite cast iron 有权
    球墨铸铁

    公开(公告)号:US09169526B2

    公开(公告)日:2015-10-27

    申请号:US13675818

    申请日:2012-11-13

    Inventor: Jaebong Park

    Abstract: A nodular graphite cast iron, a method for fabricating a vane for a rotary compressor using nodular graphite cast iron, and a vane for a rotary compressor using the same are provided. The nodular graphite cast iron includes 3.4 wt % to 3.9 wt % of carbon (C), 2.0 wt % to 3.0 wt % of silicon (Si), 0.3 wt % to 1.0 wt % of manganese (Mn), 0.1 wt % to 1.0 wt % of chromium (Cr), 0.04 wt % to 0.15 wt % of titanium (Ti), less than 0.08 w % of phosphorus (P), less than 0.025 wt % of sulphur (S), 0.03 wt % to 0.05 wt % of magnesium (Mg), 0.02 wt % to 0.04 wt % of rare earth resource, iron (Fe) and impurities as the remnants, and includes a bainite matrix structure, nodular graphite, and 15 vol % to 35 vol % of carbide.

    Abstract translation: 提供球墨铸铁,使用球墨铸铁的旋转式压缩机的叶片的制造方法以及使用其的旋转式压缩机的叶片。 结节状石墨铸铁包括3.4重量%至3.9重量%的碳(C),2.0重量%至3.0重量%的硅(Si),0.3重量%至1.0重量%的锰(Mn),0.1重量%至1.0 铬(Cr)的重量%,钛(Ti)0.04重量%〜0.15重量%,磷(P)小于0.08重量%,硫(S)小于0.025重量%,0.03重量%〜0.05重量% 的镁(Mg),0.02重量%〜0.04重量%的稀土资源,铁(Fe)和杂质作为残留物,并且包括贝氏体基质结构,球状石墨和15体积%至35体积%的碳化物。

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