Radiation damage in graphite

  • 242 Pages
  • 4.49 MB
  • 1627 Downloads
  • English
by
Pergamon Press , Oxford, New York
Nuclear reactors -- Materials., Graphite -- Effect of radiatio
Statementby J.H.W. Simmons.
SeriesInternational series of monographs in nuclear energy ;, v. 102
Classifications
LC ClassificationsTK9185 .S5 1965
The Physical Object
Paginationxii, 242 p.
ID Numbers
Open LibraryOL5941964M
LC Control Number65012671

Nuclear Energy, Volume 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.

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Simmons. •Nuclear graphite •Radiation effects Research into the subject of radiation damage in graphite began in the early s as a part of the development of nuclear weapons and nuclear power. Since that time many graphite moderated nuclear fission reactors have been built and many varieties of graphite File Size: 1MB.

Quantification of radiation damage TRANSMISSION ELECTRON MICROSCOPY 5 nm5 nm 5 nm 5 nm5 nm 5 nm 5 nm5 nm kV kV kV () Graphite planes () Graphite planes 5 nm5 nm 5 nm 5 nm 5 nm5 nm 80 kV 5 nm 80 kV 80 kV () Graphite planes () Graphite planes () Graphite planes x e cm-2 x e cm-2 x 10 e-cm 2.

RADIATION DAMAGE STUDY OF GRAPHITE AND CARBON-CARBON COMPOSITE TARGET MATERIALS P. Hurhy, K. Ammigan, N. Mokhov, FNAL, Batavia, ILUSA N. Simos, BNL, Upton, NYUSA Abstract Use of graphite and carbon-carbon composite materials.

Book Review: Radiation damage in graphite. SIMMONS, (International series of monographs in nuclear energy, Vol. Pergamon Press, ) pp. ; 80 s. discussion of how radiation damage in graphite is fundamen-tally different to metals and oxides and link our results with historical models in the literature.

Methodology The radiation damage cascades are simulated using MD with equilibrium interactions governed by the EDIP methodology for carbon [26,27].

The potential is based on an earlier. The damage caused by 1 dpa radiation level seems to be less than enough to evaluate the SPIRAL 2 radiation conditions and radiation damages over graphite.

Moreover, to improve the analysis reliability the use of same radiation particles have been proposed, in our case deuterons for future experiments. This allows the evaluation of. Samples of highly-orientated pyrolytic Radiation damage in graphite book (HOPG) have been irradiated with 5 keV He+ and Xe+ ions at temperatures of K and K.

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Irradiation-induced damage has been monitored using. Abstract The effect of thermal annealing (up to °C) on the structure: nd physical properties of irradiated graphite has been investigated. The irradiation was carried out in the reactor at – °C up to: dose rate of about 15n/cm2(En > MeV).

Two types of the material were tested: pyrolytic and reactor graphites with different grade of structure perfection. Nuclear Energy, Volume 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 Edition: 1. Radiation defects in graphite. Philosophical Magazine: Vol.

87, No. 31, pp. ELSEVIER Journal of Nuclear Materials () Radiation damage of graphite and carbon-graphite materials Ya.I. Shtrombakh, B.A. Gurovich, P.A. Platonov, V.M. Alekseev Russian Research Center "Kurchatoc Institute'; Moscow, Russian Federation Abstract The results of the study of graphite and carbon-graphite materials obtained in the Russian Research.

Nuclear Energy, Volume 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. Book Search tips Selecting this option will search all publications across the Scitation platform Selecting this option will search all publications for the Publisher/Society in context.

Annealing of radiation damage in graphite Journal of Applied Phys (); Radiation damage. Neutron‐induced defects in the graphite lattice are studied by dark‐field transmission electron microscopy.

The annealing is followed and the appearance of the defects is interpreted on the basis of the kinematical theory of electron diffraction. A physical interpretation of the observations based on displacement spikes and their annealing is given.

Discover the best Graphite books and audiobooks. Learn from Graphite experts like SAI Global - APAC and J. Simmons. Read Graphite books like As Grey Cast Iron and Radiation Damage in Graphite with a free trial. RADIATION DAMAGE STUDY OF GRAPHITE AND CARBON-CARBON COMPOSITE TARGET MATERIALS P.

Hurh, K. Ammigan, N. Mokhov, FNAL, Batavia, ILUSA N. Simos, BNL, Upton, NYUSA Abstract Use of graphite and carbon-carbon composite materials as high intensity proton targets for neutrino production is. Based on our previous works, we propose a new model for damage structure of graphite based on sp 2 to sp 3 transition of carbon atoms that can explain the change of the materials' parameters observed both in damaging and annealing processes.

In early stage of the irradiation, defects are produced in a basal plane and/or in-between the basal planes (in-plane or two dimensional defects.

Get this from a library. Radiation damage in graphite. [J H W Simmons] -- Nuclear Energy, Volume 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. The results of the study of graphite and carbon-graphite materials obtained in the Russian Research Center "Kurchatov Institute" during a period of fifteen years are presented. The main structural effects and changes in pyrographites, nuclear (polycrystalline) graphites and carbon-graphite materials under irradiation are investigated.

Irradiation temperatures and neutron fluences have been. The essential design features of graphite moderated reactors, (including gas- water- and molten salt-cooled systems) are reviewed in Chap and reactor environmental effects such as radiation damage and radiolytic corrosion are discussed.

The fracture behaviour of graphite is discussed in qualitative and quantitative terms in Chapter In this work we show preliminary results of radiation damage for a polycrystalline diamond with graphite contacts in terms of time response after 62 MeV protons irradiation for a total fluence of (±)× protons/cm2.

In addition, we describe the realization of a new type of device made with graphite. This article will discuss the effects of displacement damage in graphites and carbon-based materials.

The materials considered here are those whose bonding is sp 2 —that is, graphites, pyrolytic carbons and graphites, carbon fibers, and carbon-carbon (C/C) composites. Radiation damage in sp 3 (diamond) carbon forms is not discussed. Buy Radiation damage in graphite by J. Simmons online at Alibris.

We have new and used copies available, in 0 edition - starting at $ Shop now. A ReaXFF carbon potential for radiation damage studies.

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Although molecular dynamics simulations of energetic impacts and collision cascades in graphite have been investigated for over 25 years, recent investigations have shown a difference between the types of defects predicted by the commonly used empirical potentials compared to ab initio.

Radiation Damage in Graphite and Beryllium Materials on Hydrogen Retention 37 Table I. Hydrogen solublity in metals Metal Be Ni cu A1 Fe Prefactor, appm/?a’’’ Enthalpy, eV/atom Reference c51 cm cm c.

the flux-level effect in radiation damage in graphite Journal Article Reynolds, W N ; Thrower, P A - Journal of Nuclear Materials (Netherlands) Evidence for flux level effects in high flux neutron irradiation damage in graphite is discussed in terms of the results of transmission electron microscopy, which reveals resolvable interstitial clusters.

Browse journals and books beginning with the letter R atElsevier’s leading platform of peer-reviewed scholarly literature Radiation Damage in Graphite.

Book • Radiation Dosimetry. Book • Radiation Effects. ESR and ENDOR Analysis. Book • Radiation, Radioactivity, and Insects. It is shown from step annealing data for the x-ray diffraction peak that the processes annealing below °C possess a frequency factor ̃10 14 sec -1, while those processes annealing at higher temperatures possess much lower frequency factors.

This is attributed to the lower-temperature processes being associated with the movement of single carbon interstitial atoms and the higher.Prior radiation damage studies conducted within the last decade at Brookaven National Laboratory using MeV protons at the figirradiation-induced-structural-damage-byMeV-protons-at-BLIP Brookhaven Linac Isotope Producer target station for LHC and Neutrino Factory revealed structural damage of graphite and carbon composites at proton.radiation damage in graphite is examined by comparing results for point defects, found using ab initio calculations based on density functional theory (DFT), with those given by two state of the art potentials: the Environment-Dependent Interatomic Potential (EDIP) and the Adaptive Intermolecular Reactive Empirical Bond Order potential (AIREBO).