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Direct laser deposited titanium with controlled porosity for bone tissue engineering

Pinkerton, A.J. and Paul, C. P. and Iravani-Tabrizipoor, M. and Kukreja, L. M. and Khajepour, A. (2008) Direct laser deposited titanium with controlled porosity for bone tissue engineering. In: Proceedings of the 27th International Congress on Applications of Lasers and Electro-optics (ICALEO). Laser Institute of America, pp. 421-430.

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Abstract

The potential of engineered porous materials for aiding the osseointegration of metallic dental and orthopedic implants is well established. A range of techniques, such as powder metallurgy, plasma-spraying and titanium fiber meshing have been tried to produce the implant structures with control on porosity and other pertinent characteristics. In the present work, direct laser deposition of pure titanium powder (particle size: -100/+63 microns) was carried out to form porous structure. A 1 kW fiber laser, integrated with lateral powder feed nozzle and workstation, was used at different primary process parameters (laser power, powder mass flow rate, transverse speed, hatch parameter) to fabricate a number of multi-layer structures. The relevant structural parameters of these fabricated structures were studied as a function of the process parameters using various techniques. The result of these studies are presented.

Item Type: Contribution in Book/Report/Proceedings
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Departments: Faculty of Science and Technology > Engineering
ID Code: 59699
Deposited By: ep_importer_pure
Deposited On: 05 Nov 2012 09:47
Refereed?: No
Published?: Published
Last Modified: 10 Apr 2014 01:45
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/59699

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