scholarly journals The Processing and Production of Ceramic Composites to Improve Oxidation and Strength Properties at Ultra High Temperatures

2017 ◽  
Author(s):  
Roland Langford
Keyword(s):  
High Temperatures ◽  
Ceramic Composites ◽  
Strength Properties

Thermoelectric properties and thermal stress simulation of pressureless sintered SiC/AlN ceramic composites at high temperatures

2018 ◽  
Vol 182 ◽  
pp. 302-313 ◽  
Author(s):  
Dina H.A. Besisa ◽  
Emad M.M. Ewais ◽  
Essam A.M. Shalaby ◽  
Andrey Usenko ◽  
Denis V. Kuznetsov
Keyword(s):  
Thermal Stress ◽  
High Temperatures ◽  
Thermoelectric Properties ◽  
Ceramic Composites ◽  
Stress Simulation

Facility for Continuous CVD Coating of Ceramic Fibers

1991 ◽  
Vol 250 ◽  
Author(s):  
Arthur W. Moore
Keyword(s):  
Boron Nitride ◽  
High Temperatures ◽  
Weight Ratio ◽  
High Strength ◽  
Ceramic Coatings ◽  
Ceramic Composites ◽  
Ceramic Fiber ◽  
Ceramic Fibers ◽  
Fiber Properties ◽  
Nitride Coatings

The development of new and improved ceramic fibers has spurred the development and application of ceramic composites with improved strength, strength/weight ratio, toughness, and durability at increasingly high temperatures. For many systems, the ceramic fibers can be used without modification because their properties are adequate for the chosen application. However, in order to take maximum advantage of the fiber properties, it is often necessary to coat the ceramic fibers with materials of different composition and properties. Examples include (1) boron nitride coatings on a ceramic fiber, such as Nicalon silicon carbide, to prevent reaction with the ceramic matrix during fabrication and to enhance fiber pullout and increase toughness when the ceramic composite is subjected to stress[l]; (2) boron nitride coatings on ceramic yarns, such as Nicalon for use as thermal insulation panels in an aerodynamic environment, to reduce abrasion of the Nicalon and to inhibit the oxidation of free carbon contained within the Nicalon[2]; and (3) ceramic coatings on carbon yarns and carbon-carbon composites to permit use of these high-strength, high-temperature materials in oxidizing environments at very high temperatures[3,4].

Tensile and Lap-Splice Shear Strength Properties of CFRP Composites at High Temperatures

2015 ◽  
Vol 19 (2) ◽  
pp. 04014043 ◽  
Author(s):  
Duncan Cree ◽  
Taras Gamaniouk ◽  
Marc Li Loong ◽  
Mark F. Green
Keyword(s):  
Shear Strength ◽  
High Temperatures ◽  
Strength Properties ◽  
Lap Splice ◽  
Cfrp Composites

Interface Properties of Ceramic Composites at High Temperature

1999 ◽  
Vol 586 ◽  
Author(s):  
X.-F. Zhou ◽  
C. Marston ◽  
S. R. Nutt
Keyword(s):  
High Temperature ◽  
High Temperatures ◽  
Interfacial Properties ◽  
Ceramic Composites ◽  
Interface Properties ◽  
Interfacial Behavior ◽  
Interfacial Bond ◽  
Interfacial Bond Strength ◽  
Interface Failure ◽  
Temperature Performance

ABSTRACTFor high-temperature performance of ceramic composites, interfaces are designed to provide toughness through debonding while resisting thermal oxidation in aggressive environments. Thus, the evaluation of interfacial properties at high temperatures is of critical importance. In recent work at USC, interfacial properties were measured at high temperatures by single fiber pushout tests. Six advanced ceramic composites were selected to perform pushout testing at 20–1000°C. Variation in interface designs and effects of thermal history were evaluated with respect to interface failure strength. At higher temperatures, the average interfacial bond strength was often higher. SEM observations were correlated with pushout measurements to evaluate the interfacial behavior.

scholarly journals Oxidation mechanism and kinetics of SiBCN/HfC ceramic composites at high temperatures

2020 ◽  
Vol 9 (2) ◽  
pp. 2289-2298 ◽  
Author(s):  
Yuquan Wei ◽  
Yong Yang ◽  
Meng Liu ◽  
Qile Li ◽  
Zhengren Huang
Keyword(s):  
High Temperatures ◽  
Oxidation Mechanism ◽  
Ceramic Composites ◽  
Mechanism And Kinetics ◽  
Kinetics Of
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