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The Effect of TiC Content and Sintering Temperature on Mechanical Property of Al2O3 TiC Composite Ceramics

《哈尔滨理工大学学报》[ISSN:1007-2683/CN:23-1404/N]

Issue:
2008年06期
Page:
114-116
Research Field:
计算机与控制工程
Publishing date:

Info

Title:
The Effect of TiC Content and Sintering Temperature on Mechanical Property of Al2O3 TiC Composite Ceramics
Author(s):
LIU Jun-wang GUO Ying-kui Sill Chun-yan
(School of Material Science and Engineering, Harbin University of Science and Technology, Harbin 150040, China)
Keywords:
Al2O3 - TiC composite ceramics mechanical property sintering temperature TiC content
PACS:
-
DOI:
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Abstract:
Al2O3 -TiC Composite Ceramics were prepared by hot- press sintering. The effect of the TiC content and sintering temperature was studied to investigate the mechanical property, such as density, bending strength, fracture toughness. The result indicates that TiC is very effective to improve the mechanical property, when the content of TiC is 30Vol% and the sintering temperature is 1 750℃, the value of bending strength and that of fracture toughness are the maximum, which is 5.08 MPa · m^1/2 and 620 MPa respectively. The main fracture mode of the Al2O3 - TiC composites is intracrystalline fracture, also with some transcrystalline fracture.

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Last Update: 2017-06-27