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Year:
Volume:
Issue:
DENITROGENATION DURING VIM REFINING Ni-BASE SUPERALLOY
Author(s):
NIU Jianping
,
YANG Kenu
,
JIN Tao
,
SUN Xiaofeng
,
GUAN Hengrong
,
HU Zhuangzuo
Pages:
943
-
946
Year:
2001
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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