... A high-sensitivity boron-diffused silicon carbide (4H-SiC) p-n diode has been designed and fabricated using vapor-phase epitaxy. Boron-10 ( 10 B) is diffused into nitrogen-doped n − SiC, forming the p + layer, and thermal neutrons are detected through the ionization produced in the detector...

.... The computational results are compared with the commonly used Debye-Callaway model. A possible way to modify the Debye-Callaway model is discussed. thermal conductivity molecular dynamics Green-Kubo method silicon carbide Effects of Radiation on Nuclear Materials: 25th Volume STP 1547, 2012 Available...

... increase in nano-indentation hardness. The irradiation effect on fracture initiation through an enhanced cleavage resistance likely is primarily responsible for the major change in flexural strength properties. silicon carbide neutron irradiation nano-indentation elastic modulus flexural strength...

... Silicon carbide has been used as a post-irradiation temperature monitor since first proposed for this use in 1961. The basic technique has been the repeated measurement of the length of a SiC monitor following isochronal annealing. This technique has been shown to overestimate irradiation...

..., and worthwhile for standardization. Therefore, a recommended practice has been written that is now serving as basis for a new CEN standard. Fracture toughness advanced technical ceramics alumina silicon nitride silicon carbide zirconia single-edge-V-notched beam razor blade diamond paste flexure...

... Silicon carbide semiconductor radiation detectors are resistant to radiation induced damage and can be operated at elevated and changing temperatures., Silicon carbide radiation detectors have been shown to have linear responses to both neutrons and gamma rays. Furthermore, these responses...

... Swelling and microstructure of silicon carbide (SiC) are studied by means of MeV-range ion irradiation. The material used is chemical vapor deposited high purity polycrystalline cubic (3C)-SiC. The swelling behavior is characterized by precision interferometric profilometry following ion...

... Silicon carbide (SiC) is a candidate material for nuclear fusion reactor blankets; hence the importance of investigating its response to irradiation. Molecular dynamics (MD) simulations are a powerful tool to study radiation-damage production from the microscopic standpoint. Results...

... significantly lower that the corresponding experimental values. Possible reasons for this discrepancy are addressed. silicon carbide silicon nitride ceramic composite CFCC paralinear oxidation microstructural analysis M. K. Ferber, t H. T. Lin, t and J. Keiser I Oxidation Behavior of Non-Oxide...

... The stress-rupture and stress-relaxation behavior of carbon fiber-reinforced melt-infiltrated silicon carbide composites was investigated in ambient air at 1000°C. It was found that the compliance of the material increases continuously with time when subjected either to a constant composite...

... temperatures. In general, oxidation of interphase materials produces gases and voids between the fibers and the matrix leading to an increase in the compliance of bridging fibers and a subsequent decrease in the toughening increment due to fiber bridging. On the other hand, silicon carbide fibers and matrices...

... Monotonic and fatigue properties of a silicon carbide/silicon carbide composite were studied at 1300°C in tension. All tests were conducted in nitrogen (N 2 ) to eliminate oxidation. Because of the composite architecture and the differences between matrix and fiber properties, the composite...

... . The specimens consisted of commercially available silicon carbide (SiC) from Norton Co., reaction-formed SiC (RFSC) [with and without molybdenum disilicide (MoSi 2 ) additions] made at NASA Lewis Research Center, and MoSi 2 /Ti 5 Si 3 [With Ti 5 Si 3 (pentatitanium trisilicide) concentrations in the range 10...

... for delayed failure behavior in ceramics, depending on the material, microstructure, size of inherent flaws, and the level af applied stress. These delayed failure mechanisms are slow crack growth (SCG) and creep rupture. In this paper, a methodology to predict the lifetimes for sintered alpha silicon carbide...

... limited data available to characterize the creep, continuum damage and reliability behavior of the material. For the life prediction model reported, it is assumed that the material damages isotropically. Directional effects of the damage can be added as material databases improve. silicon carbide...

... stress at various operating parameters. A review describes some of the testing performed on the apparatus as well as the results obtained in the testing of the various advanced tribological materials. ceramics ceramic bearings silicon carbide tungsten carbide thrust bearings thrust wear tester...

... Chevron-notched specimens were used to test metallic and ceramic materials over a range of temperatures and testing conditions. The materials tested were M-50 bearing steel, alumina, silicon carbide, monolithic silicon nitride, and in situ toughened silicon nitride. Results were compared...

... size, and in determining the mix ratio of silicon carbide (SiC) reinforcement particles in aluminum matrix alloy powders. Ultrasonic techniques were capable of identifying SiC clusters in large-scale, consolidated powder metallurgy (P/M) metal-matrix composite (MMC) billets, while eddy-current methods...

.... computed tomography X-ray tomographic microscopy nondestructive evaluation damage metal matrix composites aluminum titanium titanium aluminide nickel aluminide silicon carbide alumina Stuart R. Stock, ~ Thomas M. Breunig, 1Abbas Guvenilir, l John H. Kinney, 2 and Monte C. Nichols 3...

..., and definition of failure were also addressed. composites fatigue titanium aluminide silicon carbide test methods Paul A. Bartolotta I and Pamela K. Brindley 1 High-Temperature Fatigue Behavior of a SiC/ Ti-24AI-11Nb Composite REFERENCE" Bartolotta, P A and Brmdley, P K, "High-Temperature Fatigue...