Tailoring Microstructure and Tribological Properties of Cold Deformed TiZrAlV Alloy by Thermal Treatment

Microstructure evolution and tribological properties of a new Ti Zr Al V alloy have been investigated in the present study. Various microstructures, i.e., equiaxed grain structure, dual-phase lamella structure, and heterogeneous lamellar structure, have been successfully prepared, and the effect of...

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Bibliographic Details
Published in:Acta metallurgica sinica : English letters 2017-05, Vol.30 (5), p.493-498
Main Authors: Zhang, Guo-Sheng, Guo, De-Feng, Li, Ming, Li, Jing-Tao, Zhang, Qian, Li, Xiao-Hong, Zhang, Xiang-Yi
Format: Article
Language:English
Subjects:
Aging (metallurgy)
Alloys
Annealing
Characterization and Evaluation of Materials
Chemistry and Materials Science
Cold
Corrosion and Coatings
Deformation
Ductility
Friction
Grain size
Grain structure
Heat treatment
Lamella
Lamellar structure
Materials Science
Mechanical properties
Metallic Materials
Microscopy
Microstructure
Nanotechnology
Organometallic Chemistry
Plastic deformation
Recrystallization
Spectroscopy/Spectrometry
Titanium base alloys
Tribology
Ultimate tensile strength
Wear resistance
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Summary:Microstructure evolution and tribological properties of a new Ti Zr Al V alloy have been investigated in the present study. Various microstructures, i.e., equiaxed grain structure, dual-phase lamella structure, and heterogeneous lamellar structure, have been successfully prepared, and the effect of the microstructure on tribological properties was explored by means of cold severe plastic deformation combined with subsequent recrystallization annealing and aging treatments. The special heterogeneous lamellar-structured alloy exhibits a high ultimate tensile strength（~1545 MPa）,reasonable ductility（~7.9%）, and excellent wear resistance as compared with the equiaxed grain-structured and dualphase lamella-structured alloy. The present study demonstrates an alternative route for enhancing the tribological properties of alloys with heterogeneous lamellar structure.
ISSN:1006-7191
2194-1289
DOI:10.1007/s40195-017-0558-7