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Erschienen in:
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2017 | OriginalPaper | Buchkapitel

12. Niobium and Other High Temperature Refractory Metals for Aerospace Applications

verfasst von : V. V. Satya Prasad, R. G. Baligidad, Amol A. Gokhale

Erschienen in: Aerospace Materials and Material Technologies

Verlag: Springer Singapore

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Abstract

Refractory metal alloys based on Nb, Mo, Ta, W, and Re find applications in the aerospace industries because of their high melting points and high temperature strengths. They are generally produced by powder metallurgy technique due to their very high melting points. However, when refining is desired, melting under high vacuum becomes necessary, for which nuggets or powder based electrodes are employed. Niobium is the lightest refractory metal with density close to that of nickel, and exhibits good thermal conductivity. Niobium can be alloyed to improve high temperature strength and oxidation resistance. Applications in nuclear, aerospace, and defence sectors have been reported. The goal of current research in Nb alloys is to simultaneously achieve high strength and workability, and provide protection from oxidation for long-term operation. There is strong research interest in intermetallics also. This chapter will discuss the salient features of refractory metals and alloys in general, and Nb-based alloys in particular.

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Metadaten
Titel
Niobium and Other High Temperature Refractory Metals for Aerospace Applications
verfasst von
V. V. Satya Prasad
R. G. Baligidad
Amol A. Gokhale
Copyright-Jahr
2017
Verlag
Springer Singapore
Buch
Aerospace Materials and Material Technologies

Print ISBN: 978-981-10-2133-6

Electronic ISBN: 978-981-10-2134-3

Copyright-Jahr: 2017

DOI
https://doi.org/10.1007/978-981-10-2134-3_12

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