This study reports on the microstructure and mechanical properties of titanium diboride that was rapidly consolidated via plasma pressure compaction . Titanium diboride powder with of silicon nitride , as a sintering aid, was rapidly consolidated using to inhibit grain growth and ensure high strength and ductility of the consolidated material. The consolidated specimens were 93.5% of theoretical density. The microstructure of the consolidated material was characterized using optical microscopy, scanning electron microscopy, and wavelength dispersive spectroscopy. Oxygen concentration in the consolidated sample was 13.55% less than in the as-received powders. The flexure strength, fracture toughness, Young’s modulus, and Vickers hardness of the consolidated specimens were measured at room temperature and were found to be equivalent if not superior to those reported in the literature.
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e-mail: kotharik@gmail.com
e-mail: radha38@hotmail.com
e-mail: wereley@umd.edu
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April 2011
Technical Briefs
Characterization of Rapidly Consolidated Titanium Diboride
Kunal Kothari,
Kunal Kothari
Graduate Research Assistant
Department of Aerospace Engineering,
e-mail: kotharik@gmail.com
University of Maryland
, College Park, MD 20724
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Ramachandran Radhakrishnan,
Ramachandran Radhakrishnan
Assistant Research Scientist
Department of Aerospace Engineering,
e-mail: radha38@hotmail.com
University of Maryland
, College Park, MD 20724
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Norman M. Wereley
Norman M. Wereley
Professor and Associate Chair
Fellow ASME
Department of Aerospace Engineering,
e-mail: wereley@umd.edu
University of Maryland
, College Park, MD 20724
Search for other works by this author on:
Kunal Kothari
Graduate Research Assistant
Department of Aerospace Engineering,
University of Maryland
, College Park, MD 20724e-mail: kotharik@gmail.com
Ramachandran Radhakrishnan
Assistant Research Scientist
Department of Aerospace Engineering,
University of Maryland
, College Park, MD 20724e-mail: radha38@hotmail.com
Norman M. Wereley
Professor and Associate Chair
Fellow ASME
Department of Aerospace Engineering,
University of Maryland
, College Park, MD 20724e-mail: wereley@umd.edu
J. Eng. Mater. Technol. Apr 2011, 133(2): 024501 (4 pages)
Published Online: March 23, 2011
Article history
Received:
September 16, 2010
Revised:
January 25, 2011
Online:
March 23, 2011
Published:
March 23, 2011
Citation
Kothari, K., Radhakrishnan, R., and Wereley, N. M. (March 23, 2011). "Characterization of Rapidly Consolidated Titanium Diboride." ASME. J. Eng. Mater. Technol. April 2011; 133(2): 024501. https://doi.org/10.1115/1.4003599
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