Mechanical and Wear Properties of Silicon Nitride Added with AlN

Abstract:

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Silicon nitride with various amount of AlN as a sintering aid was sintered by a hot press method. Densified silicon nitrides were obtained, and it was found that the mechanical and wear properties were dependent on the contents of AlN. The effect of a/b phase on the mechanical and wear properties of silicon nitride was investigated. The properties were changed depending on the amount of a/b phase. In the brittle materials, tribological behaviors were dependent on the microstructure as well as hardness and fracture toughness. We focus on the relationship between the microstructure and mechanical/wear properties of silicon nitride including AlN additives.

Info:

Periodical:

Materials Science Forum (Volumes 486-487)

Edited by:

Hyung Sun Kim, Sang-Yeop Park, Bo Young Hur and Soo Wohn Lee

Pages:

209-212

DOI:

10.4028/www.scientific.net/MSF.486-487.209

Citation:

R. J. Sung et al., "Mechanical and Wear Properties of Silicon Nitride Added with AlN", Materials Science Forum, Vols. 486-487, pp. 209-212, 2005

Online since:

June 2005

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Price:

$35.00

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