Soldering Methods for Preparing Permanent Joints of Ceramic Composite Materials with Metals (Review Article)

Use of soldering methods for preparing high-temperature permanent joints of silicon carbide ceramic matrix composites (CMC) with metals is analyzed. The main problems in joining CMC with metals are considered associated with poor wettability of CMC with molten metals, a significant difference in the...

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Bibliographic Details
Published in:Refractories and industrial ceramics 2021-07, Vol.62 (2), p.216-225
Main Authors: Kulik, V. I., Nilov, A. S., Bogachev, E. A., Larionov, N. V.
Format: Article
Language:English
Subjects:
Alloys
Analysis
Ceramic materials
Ceramic matrix composites
Ceramics
Characterization and Evaluation of Materials
Chemistry and Materials Science
Composite materials
Composites
Degassing of metals
Diffusion layers
Glass
High temperature
Joining
Liquid metals
Materials Science
Mechanical properties
Metals
Molybdenum
Natural Materials
Nickel
Niobium
Production methods
Production processes
Silicon carbide
Soldering
Stainless steels
Titanium
Wettability
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Summary:Use of soldering methods for preparing high-temperature permanent joints of silicon carbide ceramic matrix composites (CMC) with metals is analyzed. The main problems in joining CMC with metals are considered associated with poor wettability of CMC with molten metals, a significant difference in the LTEC of CMC and metals, and formation of substances with high hardness and brittleness within a connecting layer. Analysis of practical experience of using traditional and diffusion soldering methods for joining CMC of the C f /SiC type with metal alloys based on Ni, Nb, Ti, Mo, and stainless steel is provided. The most typical solder compositions and soldering process production methods are considered. It is shown that these technologies make it possible to create reliable and strong joints for CMC components and various metals.
ISSN:1083-4877
1573-9139
DOI:10.1007/s11148-021-00586-5