Atomic Transport and Defects in Metals by Neutron Scattering: Proceedings of an IFF-ILL Workshop Jülich, Fed. Rep. of Germany, October 2–4, 1985Christian Janot, Winfried Petry, Dieter Richter, Tasso Springer The Institut Max-von-Laue-Paul Langevin (ILL) in Grenoble regularly organ ises workshops that deal with the various applications of neutrons in physics, chemistry, biology and also in nuclear physics. The workshop" Atomic Trans port and Defects in Metals by Neutron Scattering", jointly organised by the Institut Laue-Langevin and the Institut fiir Festkorperforschung of the KFA Jiilich, was held in October 1985 in Jiilich. The study of problems in metal physics and in physical metallurgy is a traditional field of neutron scattering. The most commonly used methods are diffuse elastic, small-angle and inelastic scattering of neutrons. A number of problems can be identified where neutrons yield information that is supple mentary to that from other methods such as x-ray diffraction, synchrotron radiation or electron microscopy. In certain fields, for example spectroscopy for the investigation of atomic motions or for the investigation of magnetic properties, neutron scattering is a unique method. The facilities at the High Flux Reactor of the ILL, and also at the Jiilich and at other medium flux research reactors, have contributed numerous re sults in these fields. It was the aim of this workshop to give a survey of the present state of neutron scattering in metal physics. |
Contents
1 | |
The Determination of Atomic Interaction Energies in Solid Solutions | 17 |
ShortRange Order in a Ni63 7 Zг36 3 Amorphous Alloy Effects | 32 |
ShortRange Order in Metallic Glasses | 49 |
SANSInvestigation of Early Stage Precipitation Kinetics in Cu2 9 | 66 |
Studies of Heterogeneities of MicrometerRange with Double Crystal | 83 |
Quantitative Measurement of Anomalous SmallAngle XRay | 99 |
Coherent QuasiElastic Scattering of Neutrons from Lattice | 116 |
Systematic Investigation of SelfCorrelation Functions in Cubic | 139 |
Interatomic Forces Near a Hydrogen Impurity in Metals | 155 |
Localized Vibrations of Hydrogen in Metals | 170 |
A Story of But Alsos | 188 |
Studies of Stress and FatigueInduced Defects Using SmallAngle | 204 |
Point Defects in Metals in Thermal Equilibrium | 219 |
Analysis of Defect Microstructures in Irradiated Ferritic Alloys | 228 |
Quasielastic Neutron Scattering Study of Fast Diffusion of Co | 134 |
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Common terms and phrases
alloys amorphous annealing approximation atoms beam Bragg peaks calculated cavitation cavities coherent scattering component concentration CoPt correlation functions cross-section crystal Debye-Waller factors decomposition dependence determined diameter diffraction diffuse scattering diffusion coefficient distribution effects elastic electron equilibrium experimental experiments factor glasses growth Guinier hydrogen impurity increase inelastic Institut Laue-Langevin interaction energies interstitial irradiation Jülich jump rates kinetics lattice magnetic matrix measured metals method microscopic Monte Carlo Monte Carlo Method neutron scattering Nucl nucleation number density observed obtained parameters particles peak phase diagram phase separation phonon Phys point defects precipitates quasielastic quenched radius range ratio relaxation sample scattering curves scattering intensity scattering vector short-range order shown in Fig shows small-angle solid solution specimens spectra spinodal spinodal decomposition structure synchrotron synchrotron radiation temperature tetrahedral thermal tion transition trapping V₁ vacancy values voids volume fraction x-ray