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金属学报  2001 

真空感应熔炼超纯净镍基高温合金脱氮的研究

, PP. 943-946

Keywords: Ni基高温合金,真空感应熔炼

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Abstract:

研究了真空感应熔炼Ni基高温合金过程中的脱氮行为.计算了不同真空度及加Al和Ti条件下Ni-6Cr-5Co2Mo-6W合金在1600℃时氮的溶解度.实验表明在CaO坩埚精炼过程中加Al对脱氮有促进作用;加Ti则对脱氮有明显不利影响提高熔炼真空度是促进脱氮的有力措施.

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