Plasticity induced transformation in a metastable β Ti-1023 alloy by controlled heat treatments

Neelakantan, S. and San Martin, D. and Rivera-Díaz-Del-Castillo, P. E.J. and Van Der Zwaag, S. (2009) Plasticity induced transformation in a metastable β Ti-1023 alloy by controlled heat treatments. Materials Science and Technology, 25 (11). pp. 1351-1358. ISSN 0267-0836

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Abstract

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.

Item Type:
Journal Article
Journal or Publication Title:
Materials Science and Technology
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/2200/2210
Subjects:
?? HEAT TREATMENTMARTENSITIC TRANSFORMATIONMECHANICAL PROPERTIESMICROSTRUCTURETITANIUMMATERIALS SCIENCE(ALL)CONDENSED MATTER PHYSICSMECHANICS OF MATERIALSMECHANICAL ENGINEERING ??
ID Code:
125491
Deposited By:
Deposited On:
24 May 2018 14:02
Refereed?:
Yes
Published?:
Published
Last Modified:
18 Sep 2023 01:22