Thermo-mechanical processing (TMP) of Ti-48Al-2Nb-2Cr based alloys | Zendy

G.E. Fuchs | Zendy

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Thermo-mechanical processing (TMP) of Ti-48Al-2Nb-2Cr based alloys

Author(s) -

G.E. Fuchs

Publication year - 1995

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/350938

Subject(s) - ingot , materials science , extrusion , metallurgy , microstructure , powder metallurgy , forging , alloy , isothermal process , homogenization (climate) , hot working , biodiversity , ecology , physics , biology , thermodynamics

The effects of heat treatment and deformation processing on the microstructures and properties of {gamma}-TiAl based alloys produced by ingot metallurgy (I/M) and powder metallurgy (P/M) techniques were examined. The alloy selected for this work is the second generation {gamma}-TiAl based alloy -- Ti-48Al-2Nb-2Cr (at %). Homogenization of I/M samples was performed at a variety of temperatures, followed by hot working by isothermal forging. P/M samples were prepared from gas atomized powders, consolidated by both HIP and extrusion and some of the HIPed material was then hot worked by isothermal forging. The effects of processing, heat treatment and hot working on the microstructures and properties will be discussed

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