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Influence of annealing on the mechanical anisotropy of hot pack rolled Ti-6Al-4V sheets

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Published/Copyright: May 14, 2013
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 102 Issue 12

Abstract

The effect of annealing on the mechanical anisotropy of hot pack rolled Ti-6Al-4V thin sheets was studied. Partial recrystallization/globularization of the deformed microstructure was observed during high temperature annealing of rolled sheets. The room temperature tensile properties obtained along different orientations from rolling direction to transverse direction are used to evaluate the % In Plane Anisotropy (%IPA), and Anisotropic Index (δ). A significant decrease in anisotropy with the increase in annealing temperature was observed. The Knoop hardness based plane stress yield loci were evaluated for the sheets in as-rolled and annealed conditions and the variation in the shape and size of yield loci divulged the decrease in mechanical anisotropy with annealing. The X-ray diffraction scans also revealed the weakening of basal texture qualitatively.

Keywords: Yield loci; Pack rolling; Mechanical anisotropy; Ti-6Al-4V
* Correspondence address Mr. S. S. Satheesh Kumar, Near Net Shape Group, Defence Metallurgical Research Laboratory, Kanchanbagh (PO), Hyderabad-500058, India, Tel.: +91 40 24 58 66 88, Fax: +91 40 24 34 06 40, E-mail:

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Received: 2010-1-15
Accepted: 2011-9-15
Published Online: 2013-05-14
Published in Print: 2011-12-01

© 2011, Carl Hanser Verlag, München

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https://doi.org/10.3139/146.110607
Keywords for this article
Yield loci; Pack rolling; Mechanical anisotropy; Ti-6Al-4V

Articles in the same Issue

  1. Contents
  2. Contents
  3. Original Contributions
  4. Influence of annealing on the mechanical anisotropy of hot pack rolled Ti-6Al-4V sheets
  5. Recovery and recrystallisation processes in plastically deformed WE43 alloy
  6. An investigation into the microstructure and weldability of a tantalum-containing cast cobalt-based superalloy
  7. Synchrotron measurement of the 3D shape of X-ray reflections from the γ/γ′-microstructure of nickel-base superalloys
  8. Semisolid microstructure of AM60B magnesium alloy refined by SiC particles
  9. The viscosity of eutectic Pd – Si alloys – a case study
  10. A simple hydrothermal route to bimodal mesoporous nanorod γ-alumina with high thermal stability
  11. Synthesis of nano-crystalline Zn – CoO pigment by the chemical combustion method: Effect of fuel to oxidizer ratio on structure, microstructure and color properties
  12. Nanobiotechnology approach to fabricate polycaprolactone nanofibers containing solid titanium nanoparticles as future implant materials
  13. Influence of ammonia concentration on the formation of hollow silica microspheres via polystyrene beads templating
  14. Synthesis and characterization of mesoporous silica using new gemini surfactants as templates in neutral pH conditions
  15. The use of ground silica sand, ground granulated blast furnace slag and ground basaltic pumice in cementitious adhesives for tiles
  16. Structural, optical and luminescence studies of ZnSe nanowires
  17. Study of single-walled carbon nanotube dielectrophoresis
  18. Time-dependent corrosion resistance of zinc phosphate coating on AZ31B magnesium alloy in sodium chloride solution
  19. DGM News
  20. DGM News
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