Arc jet wind tunnel characterization of ultra-high-temperature ceramic matrix composites

被引：60

作者：

Mungiguerra, S. ^{[1
]}

Di Martino, G. D. ^{[1
]}

Cecere, A. ^{[1
]}

Savino, R. ^{[1
]}

Silvestroni, L. ^{[2
]}

Vinci, A. ^{[2
]}

Zoli, L. ^{[2
]}

Sciti, D. ^{[2
]}

机构：

[1] Univ Naples Federico II, Dept Ind Engn, Aerosp Div, Ple Tecchio 80, I-80125 Naples, Italy

[2] CNR, Inst Sci & Technol Ceram, Via Granarolo 64, I-48018 Faenza, Italy

来源：

CORROSION SCIENCE | 2019年 / 149卷

基金：

欧盟地平线“2020”;

关键词：

Ceramic matrix composites; Zirconium; SEM; Modelling studies; Oxidation; High temperature corrosion; MICROSTRUCTURAL CHARACTERIZATION; THERMAL-CONDUCTIVITY; OXIDATION; DESIGN; UHTC;

D O I：

10.1016/j.corsci.2018.12.039

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Two samples of Ultra-High-Temperature Ceramic Matrix Composites, with carbon fibers in a ZrB2-SiC matrix, were exposed to supersonic dissociated air flow, simulating the atmospheric re-entry environment, in an arc-heated facility at specific total enthalpies up to 20 MJ/kg. Surface temperatures, exceeding 2400 K, were monitored by non-intrusive infrared equipment, which allowed detecting thermo-chemical surface instability phenomena. A zirconium oxide layer formed on the surface, below which the original material is perfectly preserved. Numerical simulations allowed describing the flow field around the samples and characterizing the materials behavior, in terms of thermal conductivity, catalycity and oxidation effects at high enthalpies.

引用

页码：18 / 28

页数：11

共 39 条

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