Tetsu-to-Hagane
Online ISSN : 1883-2954
Print ISSN : 0021-1575
ISSN-L : 0021-1575
Microstructures and Mechanical Properties of Si3N4-BN Composite Ceramics Produced by Slipcasting Method
Keiichiro ISOMURAToshiaki FUKUDAKazuki OGASAHARAToshihiko FUNAHASHIRyoji UCHIMURA
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JOURNAL FREE ACCESS

1989 Volume 75 Issue 9 Pages 1612-1619

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Abstract

A new type of Si3N4-BN composite ceramics (SNB ceramics) has been developed using an unique slipcasting method which utilizes homogeous mixing of ultra-fine constituent ceramics powders (Si3N4, BN), and gas pressure sintering. An important feature of the SNB ceramics in the present work is that their mechanical properties can be tailored by changing BN/Si3N4 ratio over a wide range. The SNB ceramics have excellent thermal shock resistance, and machinability while retaining relatively high strength. In this paper, microstructures and various mechanical properties of the SNB ceramics are described.

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© The Iron and Steel Institute of Japan
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