Tantalum and Columbium Supply and Demand Outlook: Report of the Panel on Tantalum and Columbium Supply and Demand Outlook of the Committee on the Technical Aspects of Critical and Strategic Materials, National Materials Advisory Board, Commission on Engineering and Technical Systems, National Research CouncilNational Academy Press, 1982 - 173 σελίδες |
Περιεχόμενα
Summary of Conclusions and Recommendations | 1 |
Introduction | 7 |
Sources of Materials | 15 |
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Συχνά εμφανιζόμενοι όροι και φράσεις
aerospace alloys anode applications Bernic Lake Brazil Bureau of Mines capacitance capacity carbonatite cemented carbides chemical and physical columbite columbium and tantalum columbium carbide powder columbium oxide concentrates consumption of tantalum contained tantalum demand for tantalum deposits dissipation factor economic electrolytic capacitors electronics Emory Ayers Associates engines estimated euxenite Exports ferrocolumbium HSLA steels increase industry ingots Japan latest revision lbs of tantalum Maximum metallurgical metalworking military million lbs national stockpile Nepheline syenites Niobium panel pegmatite pentoxide physical requirements processors projection Purchase Specification pyrochlore raw materials reserves segregated Services Administration Shipments sintering sources of tantalum Special Instructions steels stockpile goal Storage subobjective substitution Subtotal superalloys superconductors supply Table tantalite tantalum and columbium tantalum capacitors tantalum carbide powder tantalum content tantalum minerals tantalum pentoxide tantalum powder Tantalum Producers tantalum source materials testing tin slags titanium Total U.S. Bureau United voltage Western Europe western world Wodginite