42 Result(s)
within
English
Physics
Classical and Continuum Physics
**hu Zhu
Chapter
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Chapter
Experimental Simulators for the Service Environments of TBCs
Experimental simulation and testing facilities for the key service environments of thermal barrier coatings (TBCs) are essential for Estudying failure mechanisms and reliability. However, extreme environments ...
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Chapter
Introduction
The aeroengine is the “heart” of an aircraft, and these national treasures are an important indicators of national core competitiveness. The turbine inlet temperatures in both third- and fourth-generation aero...
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Chapter
Nonlinear FEA of TBCs on Turbine Blades
Chapter 2 introduces the basic theoretical thermo–mechano-chemical coupling frameworks for thermal barrier coatings (TBCs).
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Chapter
Physically Nonlinear Coupling Growth and Damage Caused by Interfacial Oxidation in TBCs
A thin thermal growth oxide (TGO) layer composed primarily of α-Al2O3 [1, 2] is formed between the top coat (TC) and bond coat (BC) layers of a thermal barrier coating (TBC) during preparation and use. On the one...
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Chapter
Erosion Failure Mechanisms of TBCs
Erosion failure in a thermal barrier coating (TBC) refers to its thinning, cracking, and spallation under repeated exposure to high-temperature flow carrying hard particles and was once considered the second m...
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Fracture Toughness Characterization of TBCs
Fracture is an issue worthy of attention during the design and use of all engineering materials. Based on the test results for different materials, the fracture can be approximately categorized into three type...
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Chapter
Real-Time Acoustic Emission Characterization of Cracks in TBCs
During long-term service in extreme conditions (e.g., gas thermal shock, air-film cooling, centrifugal forces, particle erosion, calcium–magnesium aluminosilicate (CMAS) corrosion, fatigue, creep, and temperat...
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Chapter
Nondestructive Testing of the Surface and Interfacial Damage and Internal Pores of TBCs
Interfacial defects, strain fields, and porosity are key parameters affecting the thermal insulation performance and service life of thermal barrier coatings (TBCs). During service, the continual extension of ...
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Chapter
Reliability Assessment of TBCs
Regarding the still prominent bottleneck surrounding thermal barrier coating (TBC) spallation, both the material.
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Basic Theoretical Frameworks for Thermo–Mechano-Chemical Coupling in TBCs
Rigorous and harsh service conditions in aeroengines result in complex thermo–mechano-chemical coupling failure problems in coatings.
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Chapter
Geometric Nonlinearity Theory for the Interfacial Oxidation of TBCs
Spallation is a major bottleneck limiting the safe application of thermal barrier coatings (TBCs) in high-performance aeroengines, and interfacial oxidation is the main factor causing TBC spallation. In high-t...
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Chapter
Thermo–Mechano–Chemical Coupling During CMAS Corrosion in TBCs
Haze and volcanic eruptions increase the sand and dust content in the air, corrosive (e.g., acidic and alkaline) particles are present in marine environments, and fuels may contain some impurities. Oxides in t...
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Chapter
Basic Mechanical Properties of TBCs and Their Characterization
During service, crack initiation and propagation occur on the surface and at the interfaces of the thermal barrier coating (TBC) on an aeroengine turbine blade, eventually leading to TBC spallation, which rapi...
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Chapter
Residual Stresses in TBCs
Thermal barrier coatings (TBCs) are widely used in fields such as aviation, aerospace.
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Chapter
Characterization of the Microstructural Evolution of TBCs by Complex Impedance Spectroscopy
When subjected to gas thermal shock, oxidation, or calcium–magnesium aluminosilicate (CMAS) corrosion, a thermal barrier coating (TBC) undergoes complex microstructural evolution (e.g., the contraction or fill...
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Chapter
Thermal Insulation Effect of TBCs on Turbine Blades
Comprehensive factors in areas such as aerodynamics, structure, strength, and cooling must be considered in the turbine blade design for advanced aeroengines. As a key thermal protection technology, thermal ba...
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Chapter and Conference Paper
Visualization of Hypersonic Flat-Plate Boundary Layer in Shock Tunnel
In order to design the future aerospace vehicles, it is essential to experimentally investigate the hypersonic boundary layer [1]. Many aspects of hypersonic turbulent boundary layer and transition process are...
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Chapter and Conference Paper
Thermochemical Non-equilibrium Effects on Type VI-V Transition in Hypersonic Double-Wedge Flow
Shock-shock interaction is a common phenomenon in aerodynamic configuration, and has significant impacts on the performance and reliability of high-speed aircraft. The occurrence of such interactions may cause...
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Chapter and Conference Paper
NPLS Technique and Its Application on Complex Flow Field with Shock Waves
Shock wave and shock wave/boundary layer interactions are typical flow structures in supersonic flow, and making profound investigation is of great significance both to the understanding of flow mechanism and ...
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Chapter and Conference Paper
Influence of Gaseous Contaminations on Performance and Operability of a Scramjet Inlet
The simulation of hypersonic flight condition on ground requires preheating of the working flow medium. The preheating process, however, may introduce a sort of side effect known as ‘vitiation’ or ‘contaminati...
