Abstract
ABSTRACT Composites are, in general, a rapidly evolving and growing technical field with a very wide range of applications across the aerospace, defence, energy, medical and transport sectors as a result of their superior mechanical and physical properties. Ultra-high temperature ceramic matrix composites, UHTCMCs, are a new subfield within the wider grouping of CMCs that offer applications in rocket and hypersonic vehicle components, particularly nozzles, leading edges and engine components. The design and development of structural materials for use in oxidising and rapid heating environments at temperatures above 1600°C is therefore of both great scientific and engineering importance. UHTC materials are typically considered to be the carbides, nitrides, and borides of the transition metals, but the Group IV compounds (Zr, Hf & Ti) plus TaC are generally considered to be the main focus of research due to the superior melting temperatures and stable high-melting temperature oxide that forms in situ. This review presents the selection, processing, properties, applications, outlook and future directions of UHTCMCs.
Highlights
15 and the thermomechanical properties, whilst, in parallel, effort is being extended with respect to replicating the extreme conditions that components would experience in service [17] and during land-based tests [18]
Of the ultra high temperature ceramics (UHTC), hafnium and zirconium diborides, with a continuous carbon fibre reinforcing phase, have emerged as candidate for use in hypersonic flight applications due to their desirable combination of high mechanical and good physical properties coupled with the ability to form refractory oxides that resist melting to temperatures
16 since the authors are unaware of any research yet undertaken to investigate the potential that UHTC fibres offer to ultrahigh temperature ceramic matrix composites (UHTCMCs)
Summary
Selection, processing, properties and applications of ultra-high temperature ceramic matrix composites, UHTCMCs – a review. Jon; Porter, Matthew; Baker, Benjamin; Zou, Ji; Venkatachalam, Vinu; Rubio Diaz, Virtudes; D'Angio', Andrea; Ramanujam, Prabhu; Zhang, Tailin; Tammana, S R C Murthy
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