New advanced SiC-based composite materials for use in highly oxidizing environments: Synthesis of SiC/IrSi3

被引：15

作者：

Daniel Camarano, Antonio ^{[1
]}

Giuranno, Donatella ^{[2
]}

Narciso, Javier ^{[1
]}

机构：

[1] Univ Alicante, Inst Univ Mat Alicante, Apdo 99, E-03080 Alicante, Spain

[2] Natl Res Council Italy CNR, Inst Condensed Matter Chem & Energy Technol ICMAT, Via De Marini 6, I-16149 Genoa, Italy

来源：

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 2020年 / 40卷 / 03期

关键词：

MMCs; Silicon carbide; Ir-silicides; Reactive infiltration; Oxidizing atmosphere; REACTIVE INFILTRATION; THERMAL-EXPANSION; IRIDIUM; CARBON; TEMPERATURE; SILICON; ALLOYS; MANUFACTURE; BORON;

D O I：

10.1016/j.jeurceramsoc.2019.10.018

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Currently, MMCs with SiC as reinforcement emerge as ideal candidates for long-term stable devices withstanding high temperatures and harsh operating environments which are typical for many industrial sectors, such as energy, aerospace, electronics, catalysis, etc. However, the costly manufacture of such composites is the major restraint to make them marketable. In this paper, highly-dense, nearly-shaped SiC/IrSi3 composites effortless produced at T = 1250 degrees C under a vacuum by reactive melt infiltration of liquid Si-62 wt%Ir eutectic alloy into bimodal SiCp-C porous preforms, are presented. The replacement of unreacted detrimental Si by a tougher and less oxidizing intermetallic phase (IrSi3) was successfully obtained.

引用

页码：603 / 611

页数：9

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