Decomposition of Alloys: The Early Stages: Proceedings of the 2nd Acta-Scripta Metallurgica ConferenceP. Haasen, V. Gerold, R. Wagner Decomposition of Alloys: The Early Stages contains the proceedings of the 2nd Acta-Scripta Metallurgica Conference held in Sonnenberg, Germany, on September 19-23, 1983. Contributors discuss the early stages of decomposition in alloys, placing emphasis on the unsolved problems of the field, rather than on the solved ones. This book has 36 chapters and opens with a discussion on developments in the theory of the kinetics of first-order phase transitions, followed by an analysis of metastability and spinodal nucleation; neutron scattering during decomposition of aluminum alloys; Ostwald ripening of precipitates; and phase stability under irradiation. The next chapters explore decomposition processes in Al-Zn alloys; thermal decomposition in Cu-Ni-Fe alloys; and the initial stages of discontinuous precipitation reactions. Other papers focus on the mechanisms of plate precipitate growth; spinodal decomposition and continuous ordering; and early stages of decomposition in Ni-Al single crystals. This monograph will be of interest to students and practitioners of physics and metallurgy. |
Contents
| 1 | |
| 11 | |
| 16 | |
CHAPTER 4 COMPUTER SIMULATIONS OF PHASE DECOMPOSITION BASED UPON THE NONLINEAR DIFFUSION EQUATION | 27 |
CHAPTER 5 DIFFUSION THEORY FOR NUCLEATION AND GROWTH | 33 |
CHAPTER 6 NEUTRON SCATTERING DURING DECOMPOSITION OF ALUMINUM ALLOYS | 41 |
CHAPTER 7 EFFECTS OF FLUID FLOW ON PHASE SEPARATION IN A STIRRED CRITICAL MIXTURE | 47 |
CHAPTER 8 THE DYNAMICS OF PHASE SEPARATION IN FLUID MIXTURES | 55 |
CHAPTER 20 FIELD ION MICROSCOPE AND ATOM PROBE TECHNIQUES IN THE STUDY OF DECOMPOSITION PROCESSES | 133 |
CHAPTER 21 ATOM PROBE FIELD ION MICROSCOPY OF THE DECOMPOSITION OF FeCrCo MAGNET ALLOYS | 139 |
CHAPTER 22 FIMATOM PROBE STUDIES OF EARLY STAGE DECOMPOSITION IN CuTi ALLOYS | 143 |
CHAPTER 23 CLUSTERING AND DECOMPOSITION IN CuNiFeALLOYS | 149 |
CHAPTER 24 THERMAL DECOMPOSITION IN CuNiFe ALLOYS I FIELD ION MICROSCOPE AND ATOM PROBE INVESTIGATION | 156 |
CHAPTER 25 THERMAL DECOMPOSITION IN CuNiFe ALLOYS II A TEM INVESTIGATION | 165 |
CHAPTER 26 THERMAL DECOMPOSITION IN CuNiFe ALLOYS III A TEM INVESTIGATION | 170 |
NEUTRON SCATTERING ON ELECTRON IRRADIATED CuNi ALLOYS | 180 |
CHAPTER 9 OSTWALD RIPENING OF PRECIPITATES | 61 |
CHAPTER 10 PHASE STABILITY UNDER IRRADIATION | 70 |
CHAPTER 11 CLUSTER FREE ENERGY IN THE ISING MODEL AND THE KINETICS OF NUCLEATION WITHIN THE CLASSICAL THEORY | 77 |
CHAPTER 12 NONLOCAL OONFIGURATIONAL ENERGY OF A NONUNIFORM BINARY ALLOY | 83 |
CHAPTER 13 EARLY STAGES OF DECOMPOSITION IN ALLOYS | 85 |
CHAPTER 14 KINETICS OF PRECIPITATION IN METASTABLE BINARY ALLOYS THEORY AND APPLICATION TO Cu19 at Ti AND Ni14 a... | 91 |
CHAPTER 15 SPINODAL DECOMPOSITION IN Fe52Cr | 104 |
CHAPTER 16 THE INFLUENCE OF QUENCHING TEMPERATURE ON EARLYSTAGE DECOMPOSITION IN Al68atZn | 110 |
CHAPTER 17 DECOMPOSITION PROCESS IN ALZN ALLOYS | 115 |
CHAPTER 18 EXAFS STUDY OF PRECIPITATES IN AlCu | 121 |
CHAPTER 19 ATOM PROBE STUDIES OF NUCLEATION IN ALLOYS | 127 |
CHAPTER 28 IRRADIATIONINDUCED PRECIPITATION IN UNDERSATURATED NiC AND FeNiC ALLOYS | 185 |
CHAPTER 29 AN INVESTIGATION OF GP ZONE FORMATION IN AlCu ALLOYS BASED ON HIGH RESOLUTION ELECTRON MICROSCOPY | 191 |
CHAPTER 30 HIGH RESOLUTION ELECTRON MICROSCOPY STUDIES OF THE EARLY STAGES OF DECOMPOSITION IN ALLOYS AND C... | 198 |
CHAPTER 31 PLATE PRECIPITATE GROWTH MECHANISMS | 204 |
CHAPTER 32 EARLY STAGES OF DISCONTINUOUS DECOMPOSITION | 208 |
CHAPTER 33 ON THE INITIAL STAGES OF DISCONTINUOUS PRECIPITATION REACTIONS | 214 |
CHAPTER 34 SPINODAL DECOMPOSITION AND CONTINUOUS ORDERING | 221 |
CHAPTER 35 ATOM PROBE STUDIES OF THE DECOMPOSITION SPECTRUM IN ALLOYS | 227 |
CHAPTER 36 EARLY STAGES OF DECOMPOSITION IN NiAl SINGLE CRYSTALS STUDIED BY SMALLANGLE NEUTRON SCATTERING | 233 |
| 239 | |
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Common terms and phrases
Acta Metall aging temperature Al-Zn alloy amplitude analysis annealing atom probe average behavior Cahn calculated Chem classical nucleation cluster coarsening composition fluctuations composition peak concentration constant contrast corresponding critical nucleus crystal dependence diffraction diffusion diffusion equation discontinuous precipitation discussed distribution droplets early stages equation equilibrium EXAFS experimental field ion Field Ion Microscopy free energy GPI zones grain boundary increase initial intensity interface irradiation Ising model kinetics larger lattice Marro matrix measurements metastable miscibility miscibility gap modulation N-model neutron scattering nucleation nucleation and growth nucleation rate number density observed obtained parameters particles phase diagram phase separation Phase Transformations Phys planes predicted quenched radius range reaction region sample scaling seams shown in Fig shows simulations solid solution solute atoms specimen spinodal decomposition structure function studies supersaturation term thermal tion Trans vacancies values volume fraction Wagner