Abstract

This article presents a short review of processing routes for ceramic matrix composites (CMCs). Solid phase processes accounts for around 50% of all technologies that are used for fabrication of CMCs and comprise dry or wet sintering processes, usually at high temperatures. Novel sintering techniques have been emerging promising significant improvements, as well as lower processing temperatures, including Microwave (MW) sintering, Flash sintering, Spark plasma sintering (SPS), Flash cold sintering, Cold sintering process (CSP) and Cold sintering (CS). Liquid phase processes comprise traditional methods: sol-gel and reactive melt infiltration (RMI), whereas direct melt oxidation (DIMOX) and liquid silicon infiltration (LSI) are the most common RMI techniques. In gas phase processes, Chemical Vapor Infiltration (CVI) is widely used.

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