Thermal Diffusivity of Ceramics During Neutron Irradiation
نویسندگان
چکیده
منابع مشابه
Nuclear Radiations Induced Change in Thermal and Structural Properties of 2-}[4-(2-HydroxyBenzylideneamino) Phenylimino] Methyl{ Phenol (PAM) Schiff Base
The variation of thermal and structural properties of 2-{[4-(2-hydroxybenzylideneamino) phenylimino]methyl}phenol (PAM)Schiff base were studied using differential scanning calorimetry (DSC) and powder X-ray diffraction techniques before and after fast neutron (1.050 and 1.740kGy), beta (11.01Gy) and gamma (453.0Gy) irradiations. Under fast neutron irradiation, the melting and decomposition enth...
متن کاملSIMPLE THERMAL WAVE METHOD FOR THE DETERMINATION OF LONGITUDINAL THERMAL DIFFUSIVITY OF SiC-BASED FIBER
Silicon carbide fibres have proven to be an excellent reinforcement material in ceramics and other composites due to their high strength and stiffness and good thermomechanical stability. The thermal diffusivity/conductivity of SiC based fibres has been reported earlier [1]. The methods used so far for the fibres have been mainly indirect and based on using a composite of known composition and ...
متن کاملApplication of an ultraminiature thermal neutron monitor for irradiation field study of accelerator-based neutron capture therapy
Phantom experiments to evaluate thermal neutron flux distribution were performed using the Scintillator with Optical Fiber (SOF) detector, which was developed as a thermal neutron monitor during boron neutron capture therapy (BNCT) irradiation. Compared with the gold wire activation method and Monte Carlo N-particle (MCNP) calculations, it was confirmed that the SOF detector is capable of measu...
متن کاملطراحی و بهینهسازی طیف نوترونی برای درمان تومورهای عمیق مغزی به روش BNCT با کاهش آسیب رسیده به پوست
Boron neutron capture therapy (BNCT) is an effective method for treatment of deep seated brain tumors. This method consists of two stages: injection of boron compound in the patient body, and then irradiation of the region tumors with the neutron beam. It allows for delivery of high linear energy transfer (LET) radiation (particles 4He and 7Li nuclei) to tumors at the cellular level whilst avoi...
متن کاملMaking a novel method to obtain the required irradiation time in fast neutron radiation therapy of liver tissue
During radiotherapy by any radiation, it is always essential to stop absorbing the excess dose by a tissue. To better treat cancerous tissues and to make more precise irradiation for a cancerous tumor, there needs the accurate irradiation time to be estimated. First, the constituent materials of any of the existing organs in abdominal tissue are extracted and defined in the MCNPX code. Then, ev...
متن کامل