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The Role of Niobium and Other Refractory Elements in ...
THE ROLE OF Niobium AND Other Refractory Elements IN SUPERALLOYS J. K. Tien, John P. Collier and G. Vignoul Center for Strategic Materials Henry Krumb School of Mines Columbia University New York, 10027 Refractory Elements are important alloying additions in both nickel-base and iron- nickel-base superalloys. They are responsible for the increased high temperature mechanical properties present in current superalloy systems. This paper presents the results from ongoing research programs which study the effectiveness of Niobium and tantalum in various nickel-base superalloys and iron- nickel-base superalloy INCONEL 718.
THE ROLE OF NIOBIUM AND OTHER REFRACTORY ELEMENTS IN SUPERALLOYS J. K. Tien, John P. Collier and G. Vignoul Center for Strategic Materials
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