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The behavior of the Zr(Fe,Cr,Nb) 2 precipitate in a China-brand Zr–Sn–Nb–Fe–Cr alloy under a 500 keV Ne ion beam irradiation and post heating were studied by in-situ transmission electron microscopy (TEM). It is found that the Zr(Fe,Cr,Nb) 2 precipitate with the hexagonal close packed (hcp) structure is the major secondary phase particle (SPP) in this zirconium alloy. At the temperature...
Erbium films were grown on single crystal Si(111) substrates by electron beam vapor deposition. The microstructures of the erbium films were systematically investigated by X-ray diffraction, scanning electron microscopy, and energy dispersive spectroscopy. Results indicate that the surface morphologies and microstructures of the erbium films with Si as substrates are susceptible to the substrate temperatures...
The effect of substrate temperature on the oxidation behavior of erbium thick films, fabricated by electron-beam vapor deposition (EBVD), was investigated by X-ray photoelectron spectroscopy (XPS), X-ray diffraction (XRD), and scanning electron microscopy (SEM). The erbium thick film is black when it is deposited at substrate temperature below 450 °C and turns gray at higher substrate temperature...
Ti–Al–Zr alloy was implanted with Al at cumulative doses between 1×10 17 and 1×10 18 ions/cm 2 . The results indicate that the Al-implanted layers are ∼0.1μm thick and are composed almost entirely of an amorphous layer. Implanted layer hardness is dose dependent and is increased by more than a factor of 4 for the high-dose implanted specimen when compared with that of the substrate...
In the present investigation, polished samples were implanted with nitrogen ion at an energy of 60keV and implantation doses were 1×10 16 , 5×10 16 , 1×10 17 and 6×10 17 ions/cm 2 . Glancing incidence X-ray diffraction was employed on the implanted specimens to understand the phases formed with increasing dose. The valence states of nitrogen, titanium and carbon...
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