Joining of Silicon Carbide/Silicon Carbide Composites and Dense Silicon Carbide Using Combustion Reactions in the Titanium–Carbon–Nickel System
作者:
Barry H. Rabin,
期刊:
Journal of the American Ceramic Society
(WILEY Available online 1992)
卷期:
Volume 75,
issue 1
页码: 131-135
ISSN:0002-7820
年代: 1992
DOI:10.1111/j.1151-2916.1992.tb05454.x
出版商: Blackwell Publishing Ltd
关键词: combustion synthesis;silicon carbide;joining;titanium carbide;nickel
数据来源: WILEY
摘要:
A new ceramic joining technique has been developed that utilizes an exothermic combustion reaction to simultaneously synthesize the joint interlayer material and to bond together the ceramic workpieces. The method has been used to join SiC/SiC composites and dense SiC ceramics using TiC‐Ni powder mixtures that ignite below 1200°C to form a TiC‐Ni joining material. Thin layers of the powder reactants were prepared by tape casting, and joining was accomplished by heating in a hot‐press to ignite the combustion reaction. During this process, localized exothermic heating of the joint region resulted in chemical interaction at the interface between the TiC‐Ni and the SiC ceramic that contributed to bonding. Room‐temperature four‐point bending strengths of joints produced by this method have exce
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