04242nam 2200553Ia 450 991077742710332120230421044941.0(CKB)1000000000450699(EBL)3377787(SSID)ssj0000171076(PQKBManifestationID)11178143(PQKBTitleCode)TC0000171076(PQKBWorkID)10237192(PQKB)11546906(OCoLC)567838318(MiAaPQ)EBC3377787(EXLCZ)99100000000045069920050321d1995 ua 0engur|n|---|||||txtccrHigh-purity chromium metal[electronic resource] supply issues for gas-turbine superalloys /Committee on High-Purity Electrolytic Chromium Metal, National Materials Advisory Board, Commission on Engineering and Technical Systems, National Research CouncilWashington, D.C. National Academy Press19951 online resource (74 p.)"NMAB-480."0-309-58605-4 Includes bibliographical references.""High-Purity Chromium Metal: Supply Issues for Gas-Turbine Superalloys""; ""Copyright""; ""Acknowledgments""; ""Abstract""; ""Preface""; ""Contents""; ""Executive Summary""; ""USE OF HIGH-PURITY CHROMIUM METAL IN SUPERALLOYS""; ""HIGH-PURITY CHROMIUM-METAL PRODUCTION""; ""DEMAND FOR HIGH-PURITY CHROMIUM METAL""; ""GENERAL CONCLUSIONS AND RECOMMENDATIONS""; ""REPORT ORGANIZATION""; ""1 The Marketplace for Chromium Metal ""; ""NATURE OF THE MARKET""; ""Heterogeneous Nature of the Market""; ""Producers""; ""Consumers""; ""International Trade""; ""RECENT AND PENDING SUPPLY TRENDS""; ""Closures""""Russia and China""""RECENT AND PENDING DEMAND TRENDS""; ""Military Spending""; ""The Commercial Airline Industry""; ""Government Stockpiles""; ""PROSPECTS FOR SHORTAGES""; ""Nature of Shortages""; ""Surge in World Demand""; ""Contraction in Production and Capacity""; ""Interruptions in Trade""; ""2 Specifications for High-Purity Chromium Metal ""; ""AIRCRAFT ENGINE OPERATION""; ""AIRCRAFT ENGINE MATERIALS""; ""NEED FOR PURITY""; ""FUTURE DEMAND FOR HIGH-PURITY CHROMIUM METAL""; ""3 Electrolytic Chromium-Metal Production ""; ""TRIVALENT CHROME-ALUM BATH ELECTROLYTE METHOD""""CHROMIC-ACID ELECTROLYTE METHOD""""VACUUM-DEGASSING OF CHROMIUM METAL""; ""ENVIRONMENTAL AND OCCUPATIONAL HEALTH CONSIDERATIONS""; ""4 Alternative Technologies for Chromium-Metal Production ""; ""PREPROCESSING OF CHROMITE ORE""; ""ALUMINUM REDUCTION METHOD FOR PRODUCING CHROMIUM METAL""; ""OTHER METHODS FOR PRODUCING CHROMIUM METAL""; ""DOUBLE-DEGASSED REFINING""; ""ACCEPTANCE OF ALUMINOTHERMIC CHROMIUM METAL""; ""POSSIBLE IMPROVEMENTS IN THE PROCESSING TECHNIQUES""; ""5 Reliability of Suppliers of High-Purity Chromium Metal ""; ""DEFINITION OF A RELIABLE SUPPLIER""""RELIABILITY OF THE HIGH-PURITY CHROMIUM-METAL PRODUCERS""""Elkem Metals Company""; ""Delachaux Metals Division""; ""Metallurg, Incorporated""; ""Russian High-Purity Chromium-Metal Producers""; ""6 Potential Economic Scenarios for the U.S. Supply of Chromium Metal and the Role of the National...""; ""FREE TRADE VERSUS NATIONAL SECURITY""; ""NATIONAL DEFENSE STOCKPILE""; ""POTENTIAL ECONOMIC SCENARIOS FOR THE U.S. SUPPLY""; ""Scenario 1: A Surge in Demand for High-Quality Chromium Metal""; ""Scenario 2: Loss of the Domestic Industry""; ""Scenario 3: Loss of Foreign Supply""; ""References""""Appendix: Biographical Sketches of Committee Members""Gas-turbinesMaterialsChromiumGas-turbinesMaterials.Chromium.661National Research Council (U.S.).Task Group on BMDO New Technology Orbital Observatory.National Research Council (U.S.).Space Studies Board.National Research Council (U.S.).Commission on Physical Sciences, Mathematics, and Applications.MiAaPQMiAaPQMiAaPQBOOK9910777427103321High-purity chromium metal3776520UNINA