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Stefano Piacquadio, Dominik Pridöhl, Nils Henkel, Rasmus Bergström, Alessandro Zamprotta, Athanasios Dafnis and Kai-Uwe Schröder
Economic viability of small launch vehicles, i.e., microlaunchers, is impaired by several factors, one of which is a higher dry to wet mass ratio as compared to conventional size launchers. Although reusability may reduce launch cost, it can drive dry an...
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Christian Bach, Frank Wehner and Jan Sieder-Katzmann
High performance ceramics, particularly Ceramic Matrix Composite (CMC) materials found their way into liquid rocket engines. Yet, so far, mainly carbide or nonoxide CMCs have been of interest. This paper explores the potential and challenges of oxide?oxi...
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Kanhu C. Nayak, Kedarnath K. Rane, Prashant P. Date and T. S. Srivatsan
Powder metallurgy-based metal matrix composites (MMCs) are widely chosen and used for the development of components in the fields spanning aerospace, automotive and even electronic components. Engineered MMCs are known to offer a high strength-to-weight ...
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Mina Dadvand and Oumarou Savadogo
Crack-free and uniform nickel?tungsten (NiW) coatings and their composite coatings filled with ceramic particles such as silicon carbide (SiC) and hexagonal-boron nitride (hBN) were deposited on brass substrates by applying direct current (DC) waveforms....
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Fangyong Niu, Yang Li, Chenchen Song, Xinrui Yan, Ziao Zhang, Guangyi Ma and Dongjiang Wu
With the increasing demand for the high agility and fast response of high-level equipment in the aerospace and energy power fields, it is increasingly urgent to improve the performance of the high-temperature and wear resistance of the corresponding high...
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Elena Roxana Axente, Lidia Benea and Nicoleta Bogatu
The aim of this work is to obtain nanocomposite layers having a cobalt matrix with zirconium oxide nanoparticles (mean diameter 30 nm) through the electrodeposition process. The plating electrolyte suspension is prepared by adding ZrO2 nanoparticles in a...
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Roman Gr. Maev, Jimi Tjong, Eugene Leshchinsky, Mircea Pantea and Volf Leshchynsky
Yttrium-stabilized zirconia thermal barrier coatings (TBCs) of combustion chambers and piston crowns are used most frequently to increase the chamber temperature and the internal combustion engine efficiency. The development of multilayer metal matrix co...
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Chenwei Zhao, Zecan Tu and Junkui Mao
The film-cooling performance of a 2.5D braided ceramic matrix composite (CMC) plate with preformed holes was numerically studied. Four numerical models containing braided structures were established: one model with film-cooling holes preformed through fi...
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Giacomo Riccucci, Lorenzo Pezzana, Simone Lantean, Alice Tori, Silvia Spriano and Marco Sangermano
Thermal conductivity is a key property in many applications from electronic to informatics. The interaction of fillers with Sylgard 184 was studied; this study explores new composites and the influence of metal particles (copper and nickel), carbon-based...
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Michele Ferraiuolo, Concetta Palumbo, Andrea Sellitto and Aniello Riccio
The thermo-structural design of the wing leading edge of hypersonic vehicles is a very challenging task as high gradients in thermal field, and hence high thermal stresses, are expected. Indeed, when employing passive hot structures based thermal protect...
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