Final published version
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Research output: Contribution to Journal/Magazine › Journal article › peer-review
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TY - JOUR
T1 - Plasticity induced transformation in a metastable β Ti-1023 alloy by controlled heat treatments
AU - Neelakantan, S.
AU - San Martin, D.
AU - Rivera-Díaz-Del-Castillo, P. E.J.
AU - Van Der Zwaag, S.
PY - 2009/11/1
Y1 - 2009/11/1
N2 - Investigations into the possibility of improving the strength-ductility relation in a metastable β-titanium alloy (Ti-10V-2Fe-3Al) through plasticity induced transformation (PiTTi) have been carried out. Various heat treatments in the β and/or α+β condition were performed to study their influence on both the microstructure and solute partitioning, which eventually control the PiTTi effect. Stress induced martensite formation promoting such effect has been observed upon compression testing for β and β+(α+β) microstructures. The stress-strain curves exhibiting stress induced martensite show a ∼20% increase in strength, while still retaining a reasonable ductility level. Microstructural parameters such as grain size and solute concentration (especially V) in β have been related to the alloy's ability to exhibit PiTTi.
AB - Investigations into the possibility of improving the strength-ductility relation in a metastable β-titanium alloy (Ti-10V-2Fe-3Al) through plasticity induced transformation (PiTTi) have been carried out. Various heat treatments in the β and/or α+β condition were performed to study their influence on both the microstructure and solute partitioning, which eventually control the PiTTi effect. Stress induced martensite formation promoting such effect has been observed upon compression testing for β and β+(α+β) microstructures. The stress-strain curves exhibiting stress induced martensite show a ∼20% increase in strength, while still retaining a reasonable ductility level. Microstructural parameters such as grain size and solute concentration (especially V) in β have been related to the alloy's ability to exhibit PiTTi.
KW - Heat treatment
KW - Martensitic transformation
KW - Mechanical properties
KW - Microstructure
KW - Titanium
U2 - 10.1179/174328408X385773
DO - 10.1179/174328408X385773
M3 - Journal article
AN - SCOPUS:70749155735
VL - 25
SP - 1351
EP - 1358
JO - Materials Science and Technology
JF - Materials Science and Technology
SN - 0267-0836
IS - 11
ER -