The Role of the Deformation Conditions in the Evolution of the Microstructure of the Ti6Al2Sn4Zr6Mo Alloy

This work discusses the influence of the processing temperature, time and processing strain on the microstructure of the Ti6Al2Sn4Zr6Mo alloy. The Ti6Al2Sn4Zr6Mo alloy belongs to the two-phase ( alpha + beta ) type of titanium alloys. The samples were compressed with the use of the Gleeble thermomec...

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Bibliographic Details
Published inKey engineering materials Vol. 641; pp. 116 - 119
Main Authors Krawczyk, Janusz, Lukaszek-Solek, Aneta, Dabrowski, Robert
Format Journal Article
LanguageEnglish
Published 01.04.2015
Subjects
Dynamic recrystallization
Evolution
Microstructure
Precipitates
Precipitation
Simulation
Strain rate
Thermal simulators
Titanium base alloys
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Summary:This work discusses the influence of the processing temperature, time and processing strain on the microstructure of the Ti6Al2Sn4Zr6Mo alloy. The Ti6Al2Sn4Zr6Mo alloy belongs to the two-phase ( alpha + beta ) type of titanium alloys. The samples were compressed with the use of the Gleeble thermomechanical simulator at the temperatures of: 800, 900, 950, 1000 and 1100[degrees]C and at the strain rates of: 0.01; 0.1; 1; 10 and 100 s super(-1) to a total true strain of 1. The occurrence of the primary alpha phase in the Ti6Al2Sn4Zr6Mo alloy was investigated. The diagram showing the influence of the processing temperature and the strain rate on the dynamic recrystallization of the beta phase was presented. The occurrence of the primary alpha phase precipitates blocks the grain growth. Therefore, the plastic deformation of this alloy should be carried out at a temperature at which the separation of the primary alpha phase occurs to finally obtain a material with a fine grain.
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ISSN:1013-9826
1662-9795
DOI:10.4028/www.scientific.net/KEM.641.116