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Title: Radiation damage measurements on rock salt and other minerals for waste disposal applications. Quarterly report, January 1, 1980-March 31, 1980

Abstract

Different aspects of radiation damage in both synthetic NaCl crystals and various natural rock salt samples as well as granite, basalt and other minerals which will be important for radioactive waste disposal applications are being investigated. The principal means of measuring radiation damage is the determination of F-center concentrations, and the concentration and size of sodium metal colloid particles. Formation of these and other defects during irradiation and the annealing of defects and characterization of other processes occurring after irradiation are being studied as a function of dose rate, total dose, sample temperature during irradiation, strain applied prior to and during irradiation, etc. Measurements are being made on synthetic NaCl and natural rock salt samples from different geological locations, including some potential repository sites. It will be necessary to determine if radiation damage in the minerals from different localities is similar. If non-negligible differences are observed a detailed study must be made for each locality under consideration. Almost all current studies are being made on rock salt but other minerals particularly granite and basalt are being phased into the program. It is now established that radiation damage formation in both natural and synthetic rock salt is strongly dependent on strain.more » The strain related effects strongly indicate that the damage formation processes and in particular the colloid nucleation processes are related to the strain induced disolcations. A temporary theoretical effort has been started to determine which dislocation related effects are important for radiation damage processes and, most importantly, what dislocation interactions are most likely to create nucleation sites for colloid particles. If these preliminary studies indicate that additional theoretical studies will be useful an effort will be made to have them extended.« less

Authors:
; ; ; ;
Publication Date:
Research Org.:
Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
5199677
Report Number(s):
BNL-27841; ONWI/Sub-78/E511-01000-17
DOE Contract Number:  
AC02-76CH00016
Resource Type:
Technical Report
Country of Publication:
United States
Language:
English
Subject:
38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY; 12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES; SALT DEPOSITS; RADIATION EFFECTS; SODIUM CHLORIDES; BASALT; CRYSTALS; DOSE RATES; F CENTERS; GRANITES; NUCLEATION; RADIATION DOSES; RADIOACTIVE WASTE DISPOSAL; STRAINS; TEMPERATURE MEASUREMENT; UNDERGROUND DISPOSAL; ALKALI METAL COMPOUNDS; CHLORIDES; CHLORINE COMPOUNDS; COLOR CENTERS; CRYSTAL DEFECTS; CRYSTAL STRUCTURE; DOSES; GEOLOGIC DEPOSITS; HALIDES; HALOGEN COMPOUNDS; IGNEOUS ROCKS; MANAGEMENT; PLUTONIC ROCKS; POINT DEFECTS; ROCKS; SODIUM COMPOUNDS; VACANCIES; VOLCANIC ROCKS; WASTE DISPOSAL; WASTE MANAGEMENT; 400600* - Radiation Chemistry; 052002 - Nuclear Fuels- Waste Disposal & Storage

Citation Formats

Swyler, K J, Loman, J M, Teutonico, L J, Elgort, G E, and Levy, P W. Radiation damage measurements on rock salt and other minerals for waste disposal applications. Quarterly report, January 1, 1980-March 31, 1980. United States: N. p., 1980. Web. doi:10.2172/5199677.
Swyler, K J, Loman, J M, Teutonico, L J, Elgort, G E, & Levy, P W. Radiation damage measurements on rock salt and other minerals for waste disposal applications. Quarterly report, January 1, 1980-March 31, 1980. United States. https://doi.org/10.2172/5199677
Swyler, K J, Loman, J M, Teutonico, L J, Elgort, G E, and Levy, P W. 1980. "Radiation damage measurements on rock salt and other minerals for waste disposal applications. Quarterly report, January 1, 1980-March 31, 1980". United States. https://doi.org/10.2172/5199677. https://www.osti.gov/servlets/purl/5199677.
@article{osti_5199677,
title = {Radiation damage measurements on rock salt and other minerals for waste disposal applications. Quarterly report, January 1, 1980-March 31, 1980},
author = {Swyler, K J and Loman, J M and Teutonico, L J and Elgort, G E and Levy, P W},
abstractNote = {Different aspects of radiation damage in both synthetic NaCl crystals and various natural rock salt samples as well as granite, basalt and other minerals which will be important for radioactive waste disposal applications are being investigated. The principal means of measuring radiation damage is the determination of F-center concentrations, and the concentration and size of sodium metal colloid particles. Formation of these and other defects during irradiation and the annealing of defects and characterization of other processes occurring after irradiation are being studied as a function of dose rate, total dose, sample temperature during irradiation, strain applied prior to and during irradiation, etc. Measurements are being made on synthetic NaCl and natural rock salt samples from different geological locations, including some potential repository sites. It will be necessary to determine if radiation damage in the minerals from different localities is similar. If non-negligible differences are observed a detailed study must be made for each locality under consideration. Almost all current studies are being made on rock salt but other minerals particularly granite and basalt are being phased into the program. It is now established that radiation damage formation in both natural and synthetic rock salt is strongly dependent on strain. The strain related effects strongly indicate that the damage formation processes and in particular the colloid nucleation processes are related to the strain induced disolcations. A temporary theoretical effort has been started to determine which dislocation related effects are important for radiation damage processes and, most importantly, what dislocation interactions are most likely to create nucleation sites for colloid particles. If these preliminary studies indicate that additional theoretical studies will be useful an effort will be made to have them extended.},
doi = {10.2172/5199677},
url = {https://www.osti.gov/biblio/5199677}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Thu Apr 10 00:00:00 EST 1980},
month = {Thu Apr 10 00:00:00 EST 1980}
}