Synthesis of Al2O3/Ti/TiN Functional Graded Materials by Means of Nitriding in Salts of Al2O3/Ti Composites

Abstract:

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The synthesis of Al2O3/Ti/TiN functional graded material (FGM) through the nitriding in salts of previously Al2O3-10 vol. % Ti fabricated composites was studied. The matrix for the preparation of the FGM is formulated of an Al2O3-based composite that presents a homogeneous dispersion of very fine metallic titanium particles. After nitriding process, microstructural observations were carry out on the transversal zone of the materials’ surface showing the presence of a very thin film of about 37 µm of a constituent that was identified as TiN. Micro-hardness measurements performed from the surface to the core of the FGM confirm an increment on the hardness near the material’s surface.

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Periodical:

Edited by:

J. Federico Chávez Alcalá, Alejandro Cruz Ramírez and Ma. de los Ángeles Hernández Pérez

Pages:

58-62

DOI:

10.4028/www.scientific.net/MSF.691.58

Citation:

J. G. Miranda-Hernández et al., "Synthesis of Al2O3/Ti/TiN Functional Graded Materials by Means of Nitriding in Salts of Al2O3/Ti Composites", Materials Science Forum, Vol. 691, pp. 58-62, 2011

Online since:

June 2011

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$35.00

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