This paper describes experimental investigation of thermal and combustion phenomena as well as structure for self-propagating combustion synthesis of porous Ni–Ti intermetallic aimed for structural biomedical application. The objective is to correlate processing conditions with structure for the porous material. Ni–Ti mixture is prepared from elemental powders of Ni and Ti. The mixture is pressed into solid cylindrical samples of 1.1 cm diameter and 2–3 cm length, with initial porosity ranging from 30% to 42%. The samples are preheated to various initial temperatures and ignited from the top surface such that the flame propagates axially downwards. The flame images are recorded with a motion camera as well as the temperature profile. The samples were then cut using a diamond saw in both longitudinal and latitudinal directions. Image analysis software was then used to analyze the porosity distribution in each sample. The porosity distribution was then systematically correlated with the input processing conditions.
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ASME 2012 International Mechanical Engineering Congress and Exposition
November 9–15, 2012
Houston, Texas, USA
Conference Sponsors:
- ASME
ISBN:
978-0-7918-4518-9
PROCEEDINGS PAPER
Combustion Synthesis and Characterization of Porous NiTi Intermetallic for Structural Application
J. Vanterpool,
J. Vanterpool
University of Central Florida, Orlando, FL
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O. J. Ilegbusi,
O. J. Ilegbusi
University of Central Florida, Orlando, FL
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N. Khatami
N. Khatami
University of Central Florida, Orlando, FL
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J. Vanterpool
University of Central Florida, Orlando, FL
O. J. Ilegbusi
University of Central Florida, Orlando, FL
N. Khatami
University of Central Florida, Orlando, FL
Paper No:
IMECE2012-86348, pp. 629-637; 9 pages
Published Online:
October 8, 2013
Citation
Vanterpool, J, Ilegbusi, OJ, & Khatami, N. "Combustion Synthesis and Characterization of Porous NiTi Intermetallic for Structural Application." Proceedings of the ASME 2012 International Mechanical Engineering Congress and Exposition. Volume 2: Biomedical and Biotechnology. Houston, Texas, USA. November 9–15, 2012. pp. 629-637. ASME. https://doi.org/10.1115/IMECE2012-86348
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