Effect of Yttrium on the Properties of Carbon Fiber-Reinforced ZrB2-SiC Composites

被引：3

作者：

Orbant, R. A. ^{[1
,2
]}

Utkin, A. V. ^{[1
,2
]}

Bannykh, D. A. ^{[1
]}

Golosov, M. A. ^{[1
]}

Baklanova, N. I. ^{[1
]}

机构：

[1] Russian Acad Sci, Siberian Branch, Inst Solid State Chem & Mechanochem, Novosibirsk 630090, Russia

[2] Novosibirsk State Univ, Novosibirsk 630090, Russia

来源：

INORGANIC MATERIALS | 2023年 / 59卷 / 11期

基金：

俄罗斯科学基金会;

关键词：

zirconium diboride; silicon carbide; yttrium; carbon fiber; silicon melt infiltration; OXIDATION;

D O I：

10.1134/S0020168523110092

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

An approach is proposed which makes it possible to lower the silicon melt infiltration temperature in the fabrication of silicon carbide/zirconium diboride matrix ceramic composites via the formation of a silicon-yttrium low-temperature eutectic. Using thermodynamic calculations, we have substantiated the addition of yttrium to a siliciding agent and demonstrated its advantages. Silicon melt infiltration into composites has been carried out for the first time at a temperature below the melting point of silicon, which has ensured a decrease in the degree of carbon fiber degradation, while allowing the matrix to retain high density and uniformity.

引用

页码：1212 / 1219

页数：8

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