Download or read book Thermal Annealing of Neutron induced Discomposition in Artificial Graphite written by T. J. Neubert and published by . This book was released on 1950 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: An attempt has been made to discover the mechanism for the neutron induced discomposition of graphite by means of experiments in which irradiated specimens were heated for long periods at successively higher temperatures. The properties were the electrical resistivity and elastic modulus.
Download or read book Neutron induced Discomposition of Graphite written by T. J. Neubert and published by . This book was released on 1956 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fast neutron bombardment of graphite causes displacement of carbon atoms from normal lattice sites (Wigner effect); vacancies are produced and some of the displaced atoms are captured at interstitial positions and other trapping centers. The process is called discomposition. Elastic modulus, electrical resistance, breaking strength, and crystallite volume increase, and thermal conductivity decreases. The effects of heating are described. Results are interpreted in terms of a working model based on the activation energy required for the removal of the various effects. Contributions of various workers to the development of the model are reviewed.
Download or read book High energy Neutron induced Changes in Carbon and Graphite written by Glen B. Engle and published by . This book was released on 1962 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Thermal Annealing of Neutron induced Discomposition in Artificial Graphite written by T. J. Neubert and published by . This book was released on 1949 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The distribution spectra for the thermal annealing of the disturbances produced in artificial graphite by fast neutron bombardment, suggest that interstitial disturbances which anneal out below 1000 degrees C fall into two broad classes, which mean characteristic activation energies of 1.4 and 1.8 electron volts. The disturbances with characteristic energy 1.4 ev seem to be predominantly responsible for the electrical resistivity effects, while those with energy 1.8 ev seem to be the most important disturbances so far as elastic modulus effects are concerned. The secondary maxima in the distribution curves indicate the extent to which disturbances characteristic of the electrical resistivity changes affect the elastic modulus changes and vice versa. The precision of the experimental techniques, herein employed, is not adequate to permit a discussion of the Wigner effect in terms of any specific model.
Download or read book Thermal Annealing of Neutron induced Discomposition in Artificial Graphite written by T. J. Neubert and published by . This book was released on 1949 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book A Comparison of the Effects of Oxidation and the Effects of Neutron Irradiation on Graphite written by Gerhart Hennig and published by . This book was released on 1952 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: The changes of the electrical properties of oxidized graphite have been compared with the changes produced by neutron irradiation. It has been possible to separate the neutron-induced damage into the damage produced by electron removal and that produced by scattering centers. A model for radiation damage has been proposed.
Download or read book THERMAL ANNEALING OF NEUTRON INDUCED DISCOMPOSITION IN ARTIFICIAL GRAPHITE III HEATING DURING IRRADIATION EXPERIMENTS written by and published by . This book was released on 1953 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Effect of Neutron Irradiation on the Liquid Sodium Dilation of Graphite written by D. L. Henry and published by . This book was released on 1965 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book On the Existence of a Resonance Absorption of Neutrons in Graphite written by Seymour Bernstein and published by . This book was released on 1946 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book A Study of the Slowing Down Distribution of Sb124 Be Photo Neutrons in Graphite and of the Use of Indium Foils written by L. D. Roberts and published by . This book was released on 1950 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Production of Low Energy Neutrons by Filtering Through Graphite written by Herbert L. Anderson and published by . This book was released on 1946 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Nuclear Graphite written by Richard Edwin Nightingale and published by . This book was released on 1962 with total page 576 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Radiation Damage in Graphite written by J. H. W. Simmons and published by Elsevier. This book was released on 2013-10-22 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nuclear Energy, Volume 102: Radiation Damage in Graphite provides a general account of the effects of irradiation on graphite. This book presents valuable work on the structure of the defects produced in graphite crystals by irradiation. Organized into eight chapters, this volume begins with an overview of the description of the methods of manufacturing graphite and of its physical properties. This text then presents details of the method of setting up a scale of irradiation dose. Other chapters consider the effect of irradiation at a given temperature on a physical property of graphite. This book discusses as well the changes in dimensions produced by irradiation and the effects of irradiation on the mechanical properties of graphite. The final chapter deals with the accumulation of stored energy, which is one of the main problems caused by the irradiation of graphite in nuclear reactors. This book is a valuable resource for physicists and chemical physicists.
Download or read book Effect of Irradiation on Solids written by and published by . This book was released on 1957 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1973 with total page 1412 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Radiation induced Dimensional Changes of Graphite Containing Carbon Black written by J. W. Helm and published by . This book was released on 1966 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Experimental and Theoretical Investigation of the Diffusion Length of Thermal Neutrons in Graphite written by Richard Edward Kaiser and published by . This book was released on 1962 with total page 195 pages. Available in PDF, EPUB and Kindle. Book excerpt:
