SI3N4 AND SI2N2O FOR HIGH-PERFORMANCE RADOMES

被引：118

作者：

BARTA, J ^{[1
]}

MANELA, M ^{[1
]}

FISCHER, R ^{[1
]}

机构：

[1] ISRAEL CERAM & SILICATE INST,HAIFA,ISRAEL

来源：

MATERIALS SCIENCE AND ENGINEERING | 1985年 / 71卷 / 1-2期

关键词：

CERAMIC PRODUCTS - Mechanical Properties - DIELECTRIC MATERIALS - RADAR - Radomes - SILICON COMPOUNDS - Processing;

D O I：

10.1016/0025-5416(85)90236-8

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Si//3N//4 is a suitable material for high temperature radome applications because of its good thermomechanical and dielectric properties. The process parameters employed in pressureless sintering to obtain high density material were investigated. The best results were obtained with a 90wt. %Si//3N//4-5wt. %MgO-5wt. %Al//2O//3 mixture which had been attrition milled, dry pressed and sintered at 1650 degree C in a nitrogen atmosphere. Suitable processes have been developed in this work to enable Si//3N//4 radomes to be fabricated.

引用

页码：265 / 272

页数：8

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