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Imprecise knowledge based design and development of titanium alloys for prosthetic applications

Datta, S, Mahfouf, M, Zhang, Q, Chattopadhyay, PP and Sultana, N (2015) Imprecise knowledge based design and development of titanium alloys for prosthetic applications. Journal of the Mechanical Behavior of Biomedical Materials, 53. pp. 350-365. ISSN 1751-6161

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Imprecise knowledge on the composition–processing–microstructure–property correlation of titanium alloys combined with experimental data are used for developing rule based models for predicting the strength and elastic modulus of titanium alloys. The developed models are used for designing alloys suitable for orthopedic and dental applications. Reduced Space Searching Algorithm is employed for the multi-objective optimization to find composition, processing and microstructure of titanium alloys suitable for orthopedic applications. The conflicting requirements attributes of the alloys for this particular purpose are high strength with low elastic modulus, along with adequate biocompatibility and low costs. The ‘Pareto’ solutions developed through multi-objective optimization show that the preferred compositions for the fulfilling the above objectives lead to β or near β-alloys. The concept of decision making employed on the solutions leads to some compositions, which should provide better combination of the required attributes. The experimental development of some of the alloys has been carried out as guided by the model-based design methodology presented in this research. Primary characterizations of the alloys show encouraging results in terms of the mechanical properties.

Item Type: Article
Uncontrolled Keywords: 0903 Biomedical Engineering, 0912 Materials Engineering, 0913 Mechanical Engineering
Subjects: T Technology > TJ Mechanical engineering and machinery
Divisions: Electronics & Electrical Engineering (merged with Engineering 10 Aug 20)
Publisher: Elsevier
Related URLs:
Date Deposited: 03 Jun 2016 08:55
Last Modified: 04 Sep 2021 12:51
DOI or ID number: 10.1016/j.jmbbm.2015.08.039
URI: https://researchonline.ljmu.ac.uk/id/eprint/3705
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