Minerals yearbook, 1993: Columbium (niobium) and tantalum. Annual report
Technical Report
·
OSTI ID:6670346
Columbium (Cb) is vital as an alloying element in steels and in superalloys for aircraft turbine engines and is in greatest demand in industrialized countries. Tantalum (Ta) is used mostly in the electronics industry, mainly in capacitors, and in aerospace and transportation applications. The United States continued to be dependent on imports of columbium and tantalum materials. Brazil remained the major source for columbium imports, and Australia remained the major source for tantalum imports. Columbium and tantalum price quotations remained stable.
- Research Organization:
- Bureau of Mines, Washington, DC (United States)
- OSTI ID:
- 6670346
- Report Number(s):
- PB-95-145249/XAB
- Country of Publication:
- United States
- Language:
- English
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