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Advances in modifications and high-temperature applications of silicon carbide ceramic matrix composites in aerospace: A focused review

期刊

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
卷 41, 期 9, 页码 4671-4688

出版社

ELSEVIER SCI LTD
DOI: 10.1016/j.jeurceramsoc.2021.03.051

关键词

Aerospace materials; Ceramic matrix composites (CMCs); High-temperature mechanical properties; Modification measures; Silicon carbide (SiC)

资金

  1. National Key Technologies R&D Program of the 13th fiveyear plan [2016YFB302000]

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This article provides a detailed review of measures to enhance the high-temperature mechanical properties of silicon carbide ceramic matrix composites, focusing on toughness, high-temperature stability, and wear resistance. It discusses common processing methods and applications in aerospace, as well as the advantages and disadvantages of various processing techniques. The high-temperature mechanical properties are mainly influenced by the properties of the matrix, added phase, and interface bonding.
This article is a detailed review of the measures to modify the high-temperature mechanical properties of silicon carbide ceramic matrix composites (SiC CMCs), namely toughness, high-temperature stability and wear resistance. Additionally, it briefly describes the common processing methods of the SiC CMCs and their application in the high-temperature field of aerospace. The advantages and disadvantages of various existing processing and molding methods for the SiC CMCs are also discussed. The high-temperature mechanical properties of the SiC CMCs are mainly affected by the properties of the matrix, added phase and interface. It is crucial to reduce the crystal defects of the matrix and select a suitable enhancement phase for an elevated performance. Moreover, it is important to improve the bonding at the interface between the enhancement phase and the matrix. This review is expected to provide useful information for the subsequent development of complex SiC CMCs for hightemperature applications.

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