PROPERTIES OF YTTRIUM AND THE RARE EARTH METALS, EFFECT OF MINOR ADDITIONS TO NIOBIUM-BASE ALLOY ON ELEVATED TEMPERATURE OXIDATION RESISTANCE
Technical Report
·
OSTI ID:4747691
Approximately 180 compositions in 19 Nb based alloy types were prepared for study. Atmospheric corrosion tests were completed for 9 series of alloys. Improved corrosion resistance is indicated for a Nb alloy contain Ti, 20% W, and 3% Mo when rare earth metals are added. Possible improvement, on the addition of rare earths, is also suggested for a Nb alloy containing 11.3% Ti and 7.9% Mo. Metallurgical investigations of two alloy series failed to indicate correlation between metal interface movement or microhardness values with corrosion resistance as established by weight gain measurements. (auth)
- Research Organization:
- Research Chemicals. Div. of Nuclear Corp. of America, Phoenix, Ariz.
- NSA Number:
- NSA-16-033432
- OSTI ID:
- 4747691
- Report Number(s):
- WADD-TR-61-123(Pt.II)
- Country of Publication:
- United States
- Language:
- English
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