Journal of Materials Engineering and Performance

, Volume 20, Issue 7, pp 1206–1218

Innovative Manufacturing Process for Defect Free, Affordable, High Pressure, Thin Walled, Hydraulic Tubing

Authors

  • W. Miranda
    • Mechanical Engineering DepartmentLoyola Marymount University
  • G. Takiguchi
    • Mechanical Engineering DepartmentLoyola Marymount University
  • T. Shimabukuro
    • Mechanical Engineering DepartmentLoyola Marymount University
  • L. McLennan
    • Mechanical Engineering DepartmentLoyola Marymount University
  • C. Agajanian
    • Mechanical Engineering DepartmentLoyola Marymount University
  • L. Quintero
    • Mechanical Engineering DepartmentLoyola Marymount University
  • D. Mismar
    • Mechanical Engineering DepartmentLoyola Marymount University
  • J. Abdulla
    • Mechanical Engineering DepartmentLoyola Marymount University
  • C. Andrews
    • Mechanical Engineering DepartmentLoyola Marymount University
  • M. Hahn
    • Northrop Grumman, Air Combat Systems
  • E. Fodran
    • Northrop Grumman, Air Combat Systems
  • E. W. Lee
    • Naval Air Systems CommandNaval Air Warfare Center
  • H. Garmestani
    • Materials Science and EngineeringGeorgia Institute of Technology
  • R. D. Conner
    • California State University Northridge
  • D. Brick
    • Fasteel Corporation
  • J. Ogren
    • Mechanical Engineering DepartmentLoyola Marymount University
    • Mechanical Engineering DepartmentLoyola Marymount University
Article

DOI: 10.1007/s11665-010-9736-8

Cite this article as:
Miranda, W., Takiguchi, G., Shimabukuro, T. et al. J. of Materi Eng and Perform (2011) 20: 1206. doi:10.1007/s11665-010-9736-8

Abstract

Various thermo-mechanical processes were performed on a standard and a low oxygen content Ti-6Al-4V alloy. Testing was performed to determine whether it was possible to achieve a combination of tensile properties comparable to those of Ti-3Al-2.5V by means of cold working and annealing Ti-6Al-4V from a thickness of 0.671 cm (0.264 in.) to that between 0.081 and 0.094 cm (0.032-0.037 in.), which had never been carried out before. The resulting mechanical properties of this study were compared to the mechanical properties of Ti-3Al-2.5V to determine whether Ti-6Al-4V could be used as a suitable replacement for hydraulic tubing applications. The optimum results were achieved with 10-15% cold work and annealing at 750 °C (1382 °F) for 2 h between cold work reductions in thickness. It was concluded that Ti-6Al-4V was a suitable replacement for Ti-3Al-2.5V for hydraulic tubing with an increase in ultimate and yield strengths, but with a slight sacrifice of 5-10% elongation.

Keywords

cold rolling and annealing optimization of mechanical properties Ti-6Al-4V

Copyright information

© ASM International 2010