DTIC ADA103551: Characterisation of Uranium 3/4% Titanium pdf

DTIC ADA103551: Characterisation of Uranium 3/4% Titanium

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The effects of quench rate, mode of quenching and subsequent ageing treatments on microstructure and properties of a U- wt % Ti alloy have been investigated. Particular emphasis has been placed upon heat treatment of 35mm diameter, gamma-extruded, bar. Cooling rates in the range 2 to 480 K/s were obtained, resulting in a wide spectrum of microstructures ranging from granular alpha after slow rates of cooling to almost fully martensitic alpha after faster cooling. By optimising the rate and mode of quenching the problems of centreline cracking and void formation have been circumvented. Subsequent ageing at 450 C produced hardnesses in excess of 480 Hv30 due to precipitation of U2Ti. (Author

• Creator/s: Defense Technical Information Center
• Date: 6/1/1981
• Year: 1981
• Book Topics/Themes: DTIC Archive, Saunderson, R I, FULMER RESEARCH INST LTD STOKE POGES (ENGLAND), *EXTRUSION, *CRACK PROPAGATION, *TITANIUM ALLOYS, *URANIUM ALLOYS, MECHANICAL PROPERTIES, TENSILE STRENGTH, MICROSTRUCTURE, X RAY DIFFRACTION, RATES, ETCHING, QUENCHING, HEAT TREATMENT, ELECTROMAGNETIC RADIATION, AGE HARDENING, SPECTRUM ANALYSIS, PHOTOMICROGRAPHY

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