Oxidation studies of Nb-17Al-xMo alloys

被引：0
|
作者：
Passa, E [1 ]
Shao, G [1 ]
Tsakiropoulos, P [1 ]
机构：
[1] Univ Surrey, Dept Mat Sci & Engn, Surrey GU2 5XH, England
来源：
SYNTHESIS/PROCESSING OF LIGHTWEIGHT METALLIC MATERIALS II | 1996年
关键词：
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The oxidation of Nb-25Al, Nb-17Al and Nb-17Al-xMo (x=20,30,40at%) alloys in static air at temperatures up to 1773K was studied using differential scanning calorimetry and thermogravimetric analysis, The binary and ternary alloys (x=20,30)exhibited increased rates of weight gain in two temperature regimes, 1123K - 1623K and 1623K - 1773K with Nb-17Al-20Mo showing reduced weight gain rates as compared to Nb-17Al. In Nb-17Al-40Mo the start of weight gain was shifted to 973K and was followed by a decrease in weight in the temperature range 1273K to 1623K. No protective scale was formed on any of the alloys studied.
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页码：375 / 381
页数：7
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