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ASTM International - ASTM E803-91(1996)

Standard Test Method for Determining the L/D Ratio of Neutron Radiography Beams

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Organization: ASTM International
Publication Date: 1 January 1996
Status: inactive
Page Count: 7
scope:

1.1 This method defines an empirical technique for the measurement of the effective collimation ratio, L/D , of neutron radiography beams. The technique is based upon analysis of a neutron radiographic image and is independent of measurements and calculations based on physical dimensions of the collimator system. The values derived by this technique should be more accurate than those based on physical measurements, particularly for poorly defined apertures.

Document History

November 1, 2017
Standard Test Method for Determining the L/D Ratio of Neutron Radiography Beams
1.1 This test method defines an empirical technique for the measurement of the effective collimation ratio, L/D, of neutron radiography beams. The technique is based upon analysis of a neutron...
June 1, 2013
Standard Test Method for Determining the L/D Ratio of Neutron Radiography Beams
4.1 The quality of a neutron radiographic image is dependent upon many factors. The L/D ratio is one of those factors and constitutes a numerical definition of the geometry of the neutron beam. The...
July 1, 2008
Standard Test Method for Determining the L/D Ratio of Neutron Radiography Beams
The quality of a neutron radiographic image is dependent upon many factors. The L/D ratio is one of those factors and constitutes a numerical definition of the geometry of the neutron beam. The L/D...
ASTM E803-91(1996)
January 1, 1996
Standard Test Method for Determining the L/D Ratio of Neutron Radiography Beams
1.1 This method defines an empirical technique for the measurement of the effective collimation ratio, L/D , of neutron radiography beams. The technique is based upon analysis of a neutron...
May 15, 1991
Standard Test Method for Determining the L/D Ratio of Neutron Radiography Beams
The quality of a neutron radiographic image is dependent upon many factors. The L/D ratio is one of those factors and constitutes a numerical definition of the geometry of the neutron beam. The L/D...
January 1, 1991
Standard Test Method for Determining the L/D Ratio of Neutron Radiography Beams
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