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Tensile behavior of orthorhombic α″-titanium alloy studied by in situ X-ray diffraction
Tensile behavior of orthorhombic α″-titanium alloy studied by in situ X-ray diffraction
- Source :
- Materials science and engineering / A 527, 6596-6600 (2010). doi:10.1016/j.msea.2010.06.065
- Publication Year :
- 2010
- Publisher :
- Elsevier BV, 2010.
-
Abstract
- The tensile behavior of a Ti–11%Zr–14%Nb–10%Sn alloy with pure orthorhombic α″ phase was studied by in situ X-ray diffraction using synchrotron radiation. It is found that no phase transformation happens during the whole tensile process. The “double-yielding” platforms of this alloy are indeed due to a low stress yielding (∼400 MPa) followed with a significant work-hardening before necking and fracture. In this process, the [0 2 2] orientation of grains more approaches the tensile direction and the [2 0 0] moves to the transverse, causing the lattice parameter a to be shrunk, and b and c elongated, and the formation of texture. The similar texture can also be produced upon cold rolling by which the yield strength of the α” phase is largely improved to be over 900 MPa.
- Subjects :
- Materials science
Mechanical Engineering
Alloy
Titanium alloy
engineering.material
Condensed Matter Physics
Crystallography
Lattice constant
Mechanics of Materials
Phase (matter)
Ultimate tensile strength
engineering
General Materials Science
Orthorhombic crystal system
Texture (crystalline)
ddc:600
Necking
Subjects
Details
- ISSN :
- 09215093
- Volume :
- 527
- Database :
- OpenAIRE
- Journal :
- Materials Science and Engineering: A
- Accession number :
- edsair.doi.dedup.....44f01e4ecd7c21edcd89a61320a04db4
- Full Text :
- https://doi.org/10.1016/j.msea.2010.06.065