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Biomaterials and Biomedical Engineering
  Volume 1, Number 3, September 2014, pages 117-130
DOI: http://dx.doi.org/10.12989/bme.2014.1.3.117
 
open access

Micro-hardness and Young\'s modulus of a thermo-mechanically processed biomedical titanium alloy
Mohsin Talib Mohammed, Zahid A. Khan, Geetha M. and Arshad N. Siddiquee

 
Abstract
    This paper presents a study on the influence of different thermo-mechanical processing (TMP) parameters on some required properties such as micro-hardness and Young`s modulus of a novel near beta alloy Ti-20.6Nb-13.6Zr-0.5V (TNZV). The TMP scheme comprises of hot working above and below beta phase, solutionizing treatment above and below beta phase coupled with different cooling rates. Factorial design of experiment is used to systematically collect data for micro-hardness and Young`s modulus. Validity of assumptions related to the collected data is checked through several diagnostic tests. The analysis of variance (ANOVA) is used to determine the significance of the main and interaction effects. Finally, optimization of the TMP process parameters is also done to achieve optimum values of the micro-hardness and Young`s modulus.
 
Key Words
    titanium alloys; biomedical applications; micro-hardness; Young\'s modulus; ANOVA
 
Address
Mohsin Talib Mohammed: Department of mechanical engineering, Faculty of engineering, Kufa University, Najaf, Iraq

Zahid A. Khan and Arshad N. Siddiquee: Department of mechanical engineering, Jamia Millia Islamia (A central university), New Delhi-110025, India

Geetha M.: Centre for biomaterials science and technology, SMBS, VIT University, Vellore-632 014, India
 

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