Journal
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
Volume 840, Issue -, Pages -Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.msea.2022.142878
Keywords
Titanium alloy; Hierarchical structure; Precipitation; Mechanical property
Categories
Funding
- Science and Technology InnovationProgram of Hunan Province [2020RC2007]
- National Nat-ural Science Foundation of China [52104365]
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A novel Ti-3Al-5V-5Mo alloy with hierarchical submicron alpha precipitates and nanoscale alpha' precipitates was developed, which exhibited an ultra-high tensile strength of 1585 MPa and moderate plasticity.
A novel Ti-3Al-5V-5Mo alloy with hierarchical submicron alpha precipitates and nanoscale alpha' precipitates was developed. The combined strengthening effect of dislocation accumulation and back stress enhancing induced by the hierarchical alpha/alpha' phases resulted in an ultra-high tensile strength of 1585 MPa, while the plastically deformable alpha precipitates helped maintain a moderate plasticity.
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