Advanced mechanical properties

Sergey Zherebtsov , Irina P. Semenova , Halina Garbacz , Maciej Motyka

Abstract

In this chapter, the mechanical properties of commercially pure (CP) titanium with a nanocrystalline (NC) microstructure are discussed. The Young modulus of NC CP Ti was found to be ~ 10% lower while the room temperature strength is 30%–100% higher than that of the coarse-grained (CG) counterparts. Hardness and high-cycle fatigue limit of CP Ti also increased considerably with microstructure refinement to the NC regime. However, ductility-related properties including tensile elongation, impact toughness, fatigue crack growth resistance, and fracture toughness noticeably decreased with decreasing grain size. In this chapter some the most important mechanical properties, including strength, (micro) hardness, ductility, fatigue limit, crack growth resistance, impact toughness, and superplasticity of NC CP Ti will be reviewed in more detail.
Author Sergey Zherebtsov
Sergey Zherebtsov,,
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, Irina P. Semenova
Irina P. Semenova,,
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, Halina Garbacz (FMSE / DMD)
Halina Garbacz,,
- Division of Materials Design
, Maciej Motyka
Maciej Motyka,,
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Pages103-121
Publication size in sheets0.9
Book Garbacz Halina, Semenova Irina P., Zherebtsov Sergey, Motyka Maciej (eds.): Nanocrystalline Titanium (Micro and Nano Technologies), 2019, Elsevier, ISBN 978-0128145999, 277 p.
Keywords in EnglishTitanium, Nanocrystalline structure, Mechanical properties
DOIDOI:10.1016/B978-0-12-814599-9.00006-7
URL https://www.sciencedirect.com/science/article/pii/B9780128145999000067
Languageen angielski
Score (nominal)0
ScoreMinisterial score = 0.0, 11-03-2019, BookMonographyChapterAuthor
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