The Present status and the projected programme on niobium-tantalum metallurgy in India

Jena, P K and Gupta, C K and Bose, D K and Taneja, A K (1969) The Present status and the projected programme on niobium-tantalum metallurgy in India. In: UNSPECIFIED.



Niobium and tantalum which belong to the family of ref-ractory rare metals, have assumed great strategic impo-rtance in present day material development programmes, specially in industries like chemical and nuclear engineering, electronics and aerospace. The use of niob-ium as ferroniobium contributing to carbide stabilisat-ion in stainless steel is well established and accounts for the major demand for niobium in the world today. At the same time, niobium-based alloys have been considered excellent for high temperature service, and in particular two alloys (i) SU-16 (Nb- 11 W- 3Mo -21-If-0 - 08C), and (ii) Nb-752 (Nb-IOW- 25Zr)'--have been developed for application in aerospace structure components. With its relatively low neutron absorption cross-section (Q8= I 1 barns), compatibility both with uranium fuels and liquid metal coolants, and good high temperature strength and fabrication characteristics, niobium is also an attra-ctive candidate for nuclear energy application, parti-cularly in fast reactors. Also, a zirconium-alloy conta-ining 2.5% of niobium is a potential competitor to zircaloy for structural core components in water-cooled thermal reactor systems.

Item Type:Conference or Workshop Item (UNSPECIFIED)
Official URL/DOI:
Uncontrolled Keywords:Niobum, Tantalum, Zirconium alloy, Ferroniobium
Divisions:Metal Extraction and Forming
ID Code:3923
Deposited By:Sahu A K
Deposited On:13 Sep 2011 13:37
Last Modified:13 Jan 2012 12:12
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