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Exploration Of Vanadium-Base Alloys

Report Number: WADC TR 52-145 Part 3
Author: Yamamoto, Albert S.
Author: Rostoker, William
Corporate Author: Armour Research Foundation, Illinois Institute Of Technology
Corporate Report Number: None Given
Laboratory: Materials Laboratory
Date of Publication: 1955-01
Pages: 75
Contract: AF 33(038)-8517
Project: 7351 - Metallic Materials
Task: 73510
AD Number: AD0058609

This is the third annual report. The oxidation study on vanadium alloys has been further pursued and the conclusion has been reached that satisfactory oxidation resistance at elevated temperature of vanadium-base alloys cannot be rendered by alloying alone but possibly by electroplating. Major efforts have been directed toward evaluating the elevated temperature tensile and stress-rupture strengths of the alloys under development. Carbon additions have proven beneficial as far as the forgeability is concerned. In certain cases, however, superior tensile ductilities are observed while no effect in stress-rupture behavior results. The current availability of less ezpensive vanadium-aluminum alloy produced by the alumino-thermic reduction process has promoted a feasibility study of its use. It is found that the alloys made of this are as competitive in mechanical properties as the equivalent alloys based on the very exensive calcium-reduced vanadium metal. A range of alloy compositions containing additions of titanium and aluminum have shown stress-rupture behavior which is as good or marginally better than the best titanium-base alloys.

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