Microstructure and mechanical properties of annealed, quenched and suction cast Ti-6Al-4V

The effect of heat treatment or processing method on microstructure, mechanical properties and phase formation in Ti-6Al-4V alloys has been researched. The alloys in as-delivered, annealed, quenched and suction cast conditions were investigated using scanning electron microscopy (SEM), energy disper...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2019-04, Vol.511 (1), p.12020
Main Authors: Thoemmes, A, Ivanov, I V, Ruktuev, A A
Format: Article
Language:English
Subjects:
Annealing
Beta phase
Casting alloys
Heat treating
Heat treatment
Mechanical properties
Microstructure
Phase composition
Quenching
Suction
Synchrotron radiation
Synchrotrons
Titanium base alloys
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Summary:The effect of heat treatment or processing method on microstructure, mechanical properties and phase formation in Ti-6Al-4V alloys has been researched. The alloys in as-delivered, annealed, quenched and suction cast conditions were investigated using scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDX) and synchrotron X-ray diffraction (SXRD) analysis. The different processing- or heat treatment routes lead to significant changes in the phase composition. The quenched and suction cast alloys exhibited a mixture of martensitic α′ / α″ and BCC β phase. In annealed and as-delivered alloys α′ + β phase mixtures was detected. The properties of alloys strongly depend on heat treatment and / or processing route.
ISSN:1757-8981
1757-899X
1757-899X
DOI:10.1088/1757-899X/511/1/012020