نتایج جستجو برای: hastelloy x
تعداد نتایج: 623285 فیلتر نتایج به سال:
This work reports on the evolution law of helium bubbles in Hastelloy N alloy on post-irradiation annealing conditions. After helium ion irradiation at room temperature and subsequent annealing at 600 °C (1 h), the transmission electron microscopy (TEM) micrograph indicates the presence of helium bubbles with size of 2 nm in the depth range of 0-300 nm. As for the sample further annealed at 850...
Attempts to increase the gas temperature within gas turbine engines are driving the development of thermal barrier coatings that reduce superalloy component oxidation rates by disrupting thermal transport processes. Novel metal–ceramic multilayer’s combining thin metal layers with low thermal conductivity oxide ceramics offer a potential approach for impeding both the radiative and conductive t...
In laser powder bed fusion (LPBF), complex components are manufactured layer-by-layer via scanning the cross-sections of a 3D CAD model using high intensity laser. Throughout this process, material is exposed to temperature profiles that significantly differ from conventional manufacturing methods, and result in development unique inhomogeneous microstructure levels residual stresses additively...
Using the rf magnetron sputtering technique, Bi3.75La0.25Ti3O12 and Bi3La1Ti3O12 coatings were formed obtained as a thin film on Hastelloy substrates. When subjected to high-temperature conditions, effect of lanthanum anti-corrosive properties was investigated. The response evaluated by electrochemical impedance spectroscopy potentiodynamic curves, which are rarely reported. Hot corrosion occur...
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