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Title: Preliminary assessment of neutron radiography for detecting inhomogeneities in ceramics. Technical report

Abstract

As a result of the availability of small neutron sources, neutron radiography is becoming a more accessible tool for materials evaluation. Prior to the development of these sources, nuclear reactors were needed for neutron radiography. The attenuation coefficients of the elements for neutrons are very different from their X-ray attenuation coefficients; for example, neutrons interact strongly with hydrogen atoms. As a result, one can readily detect the spatial distribution of hydrated species and polymers within a ceramic body. Potential applications for neutron radiography are found in evaluating drying and binder-removal processes from ceramic compacts. This paper illustrates the use of neutron radiography for detecting voids, polymer inclusions, and binder distributions in SiC, Si{sub 3}N{sub 4} and A{sub 12}O{sub 3} based materials.

Authors:
; ; ;
Publication Date:
Research Org.:
Army Materials Research Agency, Watertown, MA (USA). Materials Technology Lab.
OSTI Identifier:
5363787
Report Number(s):
AD-A-211742/2/XAB; MTL-TR-89-71
Resource Type:
Technical Report
Resource Relation:
Other Information: Pub. in Proceedings of the Joint Conference on Nondestructive Testing of High-Performance Ceramics, 114-127(25-27 Aug 1987)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 07 ISOTOPES AND RADIATION SOURCES; CERAMICS; NEUTRON RADIOGRAPHY; DEFECTS; MATERIALS TESTING; ATOMS; ATTENUATION; BINDERS; DISTRIBUTION; DRYING; HYDRATES; HYDROGEN; NEUTRON SOURCES; NUCLEAR REACTIONS; POLYMERS; PROGRESS REPORT; REMOVAL; SPATIAL DISTRIBUTION; DOCUMENT TYPES; ELEMENTS; INDUSTRIAL RADIOGRAPHY; NONMETALS; PARTICLE SOURCES; RADIATION SOURCES; TESTING; 360202* - Ceramics, Cermets, & Refractories- Structure & Phase Studies; 070204 - Radiation Sources- Industrial Uses, Radiometric

Citation Formats

Corbin, N D, Pujari, V K, Antal, J J, and Marotta, A S. Preliminary assessment of neutron radiography for detecting inhomogeneities in ceramics. Technical report. United States: N. p., 1987. Web.
Corbin, N D, Pujari, V K, Antal, J J, & Marotta, A S. Preliminary assessment of neutron radiography for detecting inhomogeneities in ceramics. Technical report. United States.
Corbin, N D, Pujari, V K, Antal, J J, and Marotta, A S. 1987. "Preliminary assessment of neutron radiography for detecting inhomogeneities in ceramics. Technical report". United States.
@article{osti_5363787,
title = {Preliminary assessment of neutron radiography for detecting inhomogeneities in ceramics. Technical report},
author = {Corbin, N D and Pujari, V K and Antal, J J and Marotta, A S},
abstractNote = {As a result of the availability of small neutron sources, neutron radiography is becoming a more accessible tool for materials evaluation. Prior to the development of these sources, nuclear reactors were needed for neutron radiography. The attenuation coefficients of the elements for neutrons are very different from their X-ray attenuation coefficients; for example, neutrons interact strongly with hydrogen atoms. As a result, one can readily detect the spatial distribution of hydrated species and polymers within a ceramic body. Potential applications for neutron radiography are found in evaluating drying and binder-removal processes from ceramic compacts. This paper illustrates the use of neutron radiography for detecting voids, polymer inclusions, and binder distributions in SiC, Si{sub 3}N{sub 4} and A{sub 12}O{sub 3} based materials.},
doi = {},
url = {https://www.osti.gov/biblio/5363787}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Sat Aug 01 00:00:00 EDT 1987},
month = {Sat Aug 01 00:00:00 EDT 1987}
}

Technical Report:
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