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    • 2. 发明授权
    • Ni-based superalloy having high oxidation resistance and gas turbine part
    • 具有高抗氧化性的Ni基超级合金和燃气轮机部件
    • US07169241B2
    • 2007-01-30
    • US10804065
    • 2004-03-19
    • Hideki TamakiAkira YoshinariAkira OkayamaTsuyoshi TakanoHiroyuki Doi
    • Hideki TamakiAkira YoshinariAkira OkayamaTsuyoshi TakanoHiroyuki Doi
    • C22C19/05
    • C22C19/056C22C19/057
    • A Ni-based alloy hardened with the γ′ phase, which is able to exhibit not only superior strength at high temperatures, but also excellent hot corrosion resistance and oxidation resistance at high temperatures in spite of containing no Re or reducing the amount of Re. The Ni-based superalloy contains, by weight, C: 0.01 to 0.5%, B: 0.01 to 0.04%, Hf: 0.1 to 2.5%, Co: 0.8 to 15%, Ta: more than 0% but less than 8.5%, Cr: 1.5 to 16%, Mo: more than 0% but less than 1.0%, W: 5 to 14%, Ti: 0.1 to 4.75%, Al: 2.5 to 7%, Nb: more than 0% but less than 4%, V: 0 to less than 1.0%, Zr: 0 to less than 0.1%, Re: 0 to less than 9%, at least one of platinum group elements: 0 to less than 0.5% in total, at least one of rare earth elements: 0 to less than 0.1% in total, and the rest being Ni except for unavoidable impurities.
    • 用γ-相硬化的Ni基合金,不仅在高温下不仅表现出优异的强度,而且在高温下也表现出优异的耐热腐蚀性和抗氧化性,尽管不含Re或减少Re的量。 Ni基超合金含有C:0.01〜0.5%,B:0.01〜0.04%,Hf:0.1〜2.5%,Co:0.8〜15%,Ta:0%以上且小于8.5% Cr:1.5〜16%,Mo:大于0%但小于1.0%,W:5〜14%,Ti:0.1〜4.75%,Al:2.5〜7%,Nb:大于0% %,V:0〜小于1.0%,Zr:0〜小于0.1%,Re:0〜小于9%,铂族元素中的至少一种:0〜小于0.5% 稀土元素总计为0〜小于0.1%,其余为Ni,不含不可避免的杂质。
    • 10. 发明申请
    • OPERATION CONTROL METHOD FOR GAS TURBINE AND OPERATION CONTROLLER FOR GAS TURBINE
    • 用于气体涡轮机的操作控制方法和用于气体涡轮的操作控制器
    • US20120102966A1
    • 2012-05-03
    • US13382162
    • 2009-07-07
    • Hiroshi HaruyamaHideki TamakiYoshitaka KojimaHironori Kamoshida
    • Hiroshi HaruyamaHideki TamakiYoshitaka KojimaHironori Kamoshida
    • F02C9/00
    • F02C9/28F02C3/24F02C9/40F05D2260/95F05D2270/00F05D2270/083F05D2270/44
    • An operation control method for a gas turbine comprising the steps of: making a molten salt map in a liquid phase state by calculating a dew point and a solidus temperature of molten salt for causing high-temperature corrosion on high-temperature components of the turbine due to impurities using a thermodynamic equilibrium calculation on the basis of the impurities contained in low-quality fuel and operation data of the gas turbine, indicating a surface temperature and a pressure of the high-temperature components of the turbine on the molten salt map to determine a superposition state thereof on a region of molten salt in a liquid phase, predicting a lifetime of the high-temperature components of the gas turbine by estimating a corrosion rate thereof, and controlling the flow rate of the low-quality fuel supplied to a combustor on the basis of the prediction of the lifetime of the high-temperature components so that an area of surface temperature and pressure regions of the high-temperature components superposing on the region of molten salt in the liquid phase on the molten salt map is reduced.
    • 一种用于燃气轮机的操作控制方法,包括以下步骤:通过计算用于对涡轮机的高温部件造成高温腐蚀的熔融盐的露点和固相线温度,使熔融盐图形成液相状态 使用基于低质量燃料中包含的杂质和燃气轮机的操作数据的热力学平衡计算的杂质,表示在熔融盐图上的涡轮的高温组分的表面温度和压力,以确定 其在液相中的熔融盐区域上的叠加状态,通过估计燃气轮机的腐蚀速率来预测燃气轮机的高温部件的寿命,以及控制供给到燃烧器的低质量燃料的流量 在预测高温部件的寿命的基础上,使得高温部件的表面温度和压力区域的面积 在熔盐图上液相中的熔融盐区域上叠加的成分分量降低。