OXIDATION OF MOLYBDENUM AND MOLYBDENUM-TUNGSTEN ALLOYS

被引：7
|
作者：
ZAITSEV, AA [1 ]
KOROTKOV, NA [1 ]
LAZAREV, EM [1 ]
机构：
[1] AA BAIKOV MET INST,MOSCOW,USSR
来源：
METAL SCIENCE AND HEAT TREATMENT | 1976年 / 18卷 / 9-10期
关键词：
D O I：
10.1007/BF00705195
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The authors investigated the kinetics and mechanism of oxidation in air at 400-1100 degree . Alloying of molybdenum with tungsten increases its resistance to oxidation up to 600-700 degree ; at higher temperatures (800-1100 degree ) the favorable effect of tungsten is suppressed by intensive evaporation of MoO//3. The addition of carbon increases with oxidation rate due to formation of gaseous CO and CO//2 which disrupt the continuity of the oxide film. Small additions of zirconium and titanium have practically no effect on the oxidation rate of the alloys above 600 degree . At lower temperatures titanium reduces, and zirconium increases, the oxidation rate of molybdenum.
引用
收藏
页码：873 / 876
页数：4
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