High-temperature reaction between silicon carbide and nitrogen under pressure

Lichko, T.; Kryl, Ya. A.; Rymar, V. E.

doi:10.1007/bf00560010

Cited by 6 publications

(1 citation statement)

References 2 publications

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“…However, SiC ceramics can suffer passive oxidation due to the composition of the gaseous mixture (N 2 + O 2 and H 2 O + H 2 + N 2 for the inert gas and steam generation HXs, respectively) and to the operating conditions. Equations ( 12)-( 14) show the reactions of SiC with oxygen, nitrogen and water vapor [41][42][43]. Figure 4A shows the thermal conductivity against the maximum service temperature.…”

Section: Materials Selectionmentioning

confidence: 99%

Application of Ceramic Lattice Structures to Design Compact, High Temperature Heat Exchangers: Material and Architecture Selection

et al. 2021

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In this work, we report the design of ceramic lattices produced via additive manufacturing (AM) used to improve the overall performances of compact, high temperature heat exchangers (HXs). The lattice architecture was designed using a Kelvin cell, which provided the best compromise among effective thermal conductivity, specific surface area, dispersion coefficient and pressure loss, compared to other cell geometries. A material selection was performed considering the specific composition of the fluids and the operating temperatures of the HX, and Silicon Carbide (SiC) was identified as promising materials for the application. The 3D printing of a polymeric template combined with the replica method was chosen as the best manufacturing approach to produce SiC lattices. The heat transfer behaviour of various lattice configurations, based on the Kelvin cell, was determined through computational fluid dynamics (CFD). The results are used to discuss the application of such structures to compact high temperature HXs.

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Section: Materials Selectionmentioning

confidence: 99%