Dynamic oxidation of ultra-high temperature ZrB2-SiC under high enthalpy supersonic flows

被引：92

作者：

Monteverde, Frederic ^{[1
]}

Savino, Raffaele ^{[2
]}

Fumo, Mario De Stefano ^{[2
]}

机构：

[1] Natl Res Council Italy, Inst Sci & Technol Ceram, I-48018 Faenza, Italy

[2] Univ Naples Federico II, Dept Aerosp Engn, I-80125 Naples, Italy

来源：

CORROSION SCIENCE | 2011年 / 53卷 / 03期

关键词：

Ceramic matrix composites; SEM; Oxidation; Oxide coatings; ZRB2-BASED COMPOSITES; MECHANICAL-PROPERTIES; CERAMIC COMPOSITES; RESISTANCE; EVOLUTION; BEHAVIOR;

D O I：

10.1016/j.corsci.2010.11.018

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The dynamic response to oxidation of a hot-pressed ZrB2 + 15 vol%. SiC ceramic composite was studied under aero-thermal heating using a high enthalpy supersonic flow of a N-2/O-2 gas mixture in plasma wind tunnel. Microstructural features of the reaction scale developed upon oxidation were analyzed and correlated to test conditions through Computational Fluid Dynamics simulations. The significant heat flux and temperature gradients of the sample's surface exposed to the highly energized N-2/O-2 gas stream led to the formation and evolution of distinct layered oxide sub-scales. The diffusion of oxidants through silica-rich 3D glassy network was proposed as the rate governing factor for oxidation. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：922 / 929

页数：8

共 28 条

[1]

[Anonymous], 2008, Handbook of Chemistry and Physics

[2] THE MELTING POINT-COMPOSITION DIAGRAM OF THE ZIRCONIUM-OXYGEN SYSTEM [J].

CUBICCIOTTI, D .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1951, 73 (05) :2032-2035

[3]

FLUENT Inc, 2004, FLUENT 6 2 US GUID

[4] Effect of thermal exposure on strength of ZrB2-based composites with nano-sized SiC particles [J].

Guo, Shu-Qi ;

Yang, Jenn-Ming ;

Tanaka, Hidehiko ;

Kagawa, Yutaka .

COMPOSITES SCIENCE AND TECHNOLOGY, 2008, 68 (14) :3033-3040

[5] Densification of ZrB2-based composites and their mechanical and physical properties: A review [J].

Guo, Shu-Qi .

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, 2009, 29 (06) :995-1011

[6] Mechanical behavior of two-step hot-pressed ZrB2-based composites with ZrSi2 [J].

Guo, Shu-Qi ;

Kagawa, Yutaka ;

Nishimura, Toshiyuki .

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, 2009, 29 (04) :787-794

[7] Oxidation-resistant ZrB2-SiC composites at 2200 °C [J].

Han, Jiecai ;

Hu, Ping ;

Zhang, Xinghong ;

Meng, Songhe ;

Han, Wenbo .

COMPOSITES SCIENCE AND TECHNOLOGY, 2008, 68 (3-4) :799-806

[8] High-Temperature Oxidation at 1900°C of ZrB2-xSiC Ultrahigh-Temperature Ceramic Composites [J].

Han, Wen-Bo ;

Hu, Ping ;

Zhang, Xing-Hong ;

Han, Jie-Cai ;

Meng, Song-He .

JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 2008, 91 (10) :3328-3334

[9] Flexural strength and fracture behavior of ZrB2-SiC ultra-high temperature ceramic composites at 1800°C [J].

Hu, Ping ;

Wang, Zhi .

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, 2010, 30 (04) :1021-1026

[10] Effect of Various Additives on the Oxidation Behavior of ZrB2-Based Ultra-High-Temperature Ceramics at 1800°C [J].

Hu, Ping ;

Zhang, Xing-Hong ;

Han, Jie-Cai ;

Luo, Xiao-Guang ;

Du, Shang-Yi .

JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 2010, 93 (02) :345-349

← 1 2 3 →