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Meeting MS&T22: Materials Science & Technology
Symposium Processing-Microstructure-Property Relationships of Titanium and Titanium Alloys
Presentation Title Microstructure Evolution and Mechanical Behaviour of Two Phase (α+β) Ti-6Al-4V Alloy : An Effect of Heat Treatment Temperature and Duration
Author(s) Jagadeesh Babu S M, Manjesh Kumar Mishra
On-Site Speaker (Planned) Jagadeesh Babu S M
Abstract Scope In the present study, effect of heat treatment on the microstructure evolution and mechanical behaviour of the Ti-6Al-4V (α+β) alloy was investigated. The samples of Ti-6Al-4V alloy were heat treated at the temperature of 900 °C for the duration 1hr-to-6 hrs followed by water quenching. Room temperature tensile tests were conducted for as-received and heat-treated samples at the strain rate of 1×10-3 s-1.Vickers hardness of the as received and heat treated Ti-6Al-4V alloy was measured using the load of 500g for the dwell time 10 sec. Microstructure examinations were made using optical and scanning electron microscopy (SEM), which revealed morphological changes (banded structure to equiaxed structure) and also the modification in volume fraction of alpha and beta phases. It also found that, there is a occurrence of grain growth with increase in the duration of heat treatment. The tensile strengths of the samples were ranged from ~750 N/mm2 to ~960 N/mm2, hardness values ranged from ~350 HV to ~485 HV depending upon duration of heat treatment. The stress-strain behaviour could be explained with the help of changes in grain morphology and the volume fractions of the alpha and beta phases.
Proceedings Inclusion? Undecided

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Approaches to Improving Yield-strength without Compromising Strain-hardenability in β-Titanium Alloys
Conventional Ti Alloys for Aeroengines And Aircraft Landing Gear Beams—a Data-driven Analysis for Selection of Ti-based Alloys and Future Directions
Design of New Metastable Ti Alloys and Determinations of Their Deformation Mechanisms Active during Tensile Deformation
Development of High Mechanical Strength and Low Elastic Modulus Ti-Nb-Fe-Sn-Zr Alloy for Orthopedic Implants
Dilatometric Study of Phase Transformations in Ti-407
Enhancing Low-cycle Fatigue Life of Commercially-pure Ti By Deformation At Cryogenic Temperature
Hierarchical Twinning Microstructure in the Metastable β Titanium Alloys
Insights from Three-dimensional Characterization of Twins in Titanium
Microstructure-based Equivalent Initial Flaw Size (m-EIFS) Distributions for Airframe Structural Components
Microstructure Evolution and Mechanical Behaviour of Two Phase (α+β) Ti-6Al-4V Alloy : An Effect of Heat Treatment Temperature and Duration
Nanoindentation Studies and Bulk Mechanical Properties of Additively Manufactured Titanium Alloys
Role of Oxygen on Phase Stability, Precipitation, and Deformation in Beta Titanium Alloys
Slip-twinning Interdependency in High-strength Alpha-beta Titanium Alloys
Tailoring Martensitic Transformation in Metastable Beta-Ti Alloys
Titanium Alloy Microstructures Produced by Additive Manufacturing and Deformation
Using Synchrotron X-ray Characterization to Understand Slip Processes in Titanium Alloys

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