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DENITROGENATION DURING VIM REFINING Ni-BASE SUPERALLOY
Author(s): 
Pages: 943-946
Year: Issue:  9
Journal: ACTA METALLURGICA SINICA

Keyword:  Ni基高温合金真空感应熔炼CaO坩埚脱氮;
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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