5,036 Result(s)
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**g WANG
Applied and Technical Physics
Materials Science, general
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Article
Polymer Coating of Glass Microballoons Levitated in a Focused Acoustic Field
Inertial confinement fusion (ICF) glass microballoons (GMBs) levitated in a focusing radiator acoustic device can be coated with liquid materials by deploying the liquid into the levitation field with a steppe...
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Article
Phase Transformation Studies of Laser-Processed Fe-0.2%C-Cr Surface Alloys
Phase transformations in laser-processed Fe-0.2%C-Cr surface alloys with 5%, 10%, 20%, and 30%Cr were studied by light and electron microscopy. Alloys containing 5% and 10%Cr were found to be fully martensitic...
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An Ion-Scattering Study of Oxygen Indiffusion during Pulsed Laser Annealing/Cleaning of Silicon
Oxygen indiffusion during pulsed laser annealing of silicon has been studied using the 186 O(α,α) 186 O resonance at 3.045 MeV. Anneals were carried out with a Q–switched ruby laser, energy density of the pulses ...
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Article
Application of Microgravity and Containerless Environments to the Investigation of Fusion Target Fabrication Technology
During the past few years we have been studying several of the physical processes relevant to the production of spherical shells for inertial confinement fusion targets, both in a microgravity environment and ...
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Article
A Comparison of Atomic Mixing Behaviour of Cu - Au and Cu - W Systems for Room Temperature and Low Temperature Irradiation
300 keV Kr ion irradiations with doses varying from 2 × 1015 to 2 × 1016 at/cm have been applied to initiate mixing of Cu-Au and Cu-W systems. As under normal thermodynamic conditions the Cu-Au system is miscible...
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Article
Investigation of Metallic and Metallic Glass Hollow Spheres for Fusion Target Application
High quality metallic and metallic-glass microballoons (MMB and MGMB) are of considerable interest for fusion target applications on account of the intrinsic properties of these materials such as high density,...
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Article
Application of Ion Beam Techniques to the Study of Glass Durability: Enhanced Dissolution in Saline and Radiation Effects
Nuclear reaction analysis, Rutherford backscattering and ion implantation techniques are applied to the study of the reaction between glass and aqueous solutions. The use of these techniques is described as ar...
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Article
Long-Term Thermomechanical and Thermohydrological Factors Controlling the Optimal Design of a Nuclear Waste Repository
Surface uplift and buoyancy flow are two of the major long-term, far-field perturbations to the geologic formations around a nuclear waste repository. The allowable surface uplift has been accepted in the lite...
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Article
Electronic States of Grain Boundaries in Bicrystal Silicon
Electronic states at a 20° symmetrical(100) tilt boundary in p-type silicon were studied using deep level transient spectroscopy (DLTS) and other electrical measurements. The data can be explained with a model...
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Article
A Study of Coupled Thermomechanical, Thermohydrological and Hydromechanical Processes Associated with a Nuclear Waste Repository in a Fractured Rock Medium
It has been recognized that coupled thermomechanical, thermohydrologic, and hydromechanical processes may play an important role in the behavior of the geologic formation around a nuclear waste repository. A n...
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Article
Symposium M
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Article
Preparation of GaAs SOI and its Laser Recrystallization
GaAs SOI consisting of a sputtered GaAs film on a SiO2-Si or sapphire substrate is irradiated by CW Ar+ laser beam with a view to investigating its recrystallization. Using AES, x-ray diffraction, TEM and ED, we ...
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Article
Study on Taylor Criterion for Complete Fracture of the Casing Packed with High Explosive
The criterion for complete fracture of the casing by detonation of packed high explosive was first presented by G.I.Taylor. Thereafter Taylor criterion has been reviewed and extended by many authors. This pape...
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Article
Tough–A Numerical Model for Nonisothermal Unsaturated Flow to Study Waste Canister Heating Effects
The physical processes modeled and the mathematical and numerical methods employed in a simulator for non-isothermal flow of water, vapor, and air in permeable media are briefly summarized. The simulator has b...
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Article
Structure Transition of Metallic Glasses of Alloys Annealed at High Pressure for the Exploration of Superconducting Compounds
In this article, the formation of superconducting compounds through structure transition of metallic glasses at high pressure high temperature are emphasized, and investigations on structure transition of meta...
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Article
Effect of Low Energy Hydrogen Implants on Damage Caused by Argon Ion Beam Etching
The dry etching technologies reactive ion etching (RIE) and ion beam etching (IBE) have both been shown to cause a damaged layer at silicon surfaces. It has been demonstrated that this damage can be annealed o...
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Article
Corrosion behavior of Ni+-Ion Irradiated NiTi Alloys
Corrosion behavior of Ni+ -irradiated NiTi alloys was studied in chloride solutions, together with unirradiated NiTi material with different surface conditions. Ion irradiation with either 2.5 or 5 MeV Ni+ ions t...
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Article
Characterization of Epitaxial CoSi2 Films Grown on <111> Si
X-ray rocking curves and backscattering spectrometry with channeling have been employed to investigate epitaxial CoSi2 films grown on <111> Si substrates. Several preparation techniques were used: sputter cleanin...
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Article
Characterization of Surface Defect Structure by Low Energy Electron Diffraction*
Low energy electron diffraction is a surface sensitive tool which is most widely used for the determination of surface symmetries and equilibrium atomic positions. Experimental and theoretical advances made in...
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Article
Test Methods to Predict Long-Term Corrosion of Container Materials in Repositories
MCC test methods in support of basalt, salt and tuff repositories are described. The methods consist of three general corrosion tests for basalt, two general corrosion tests and three stress corrosion tests fo...
