ASTM-E2861:2020 Edition

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E2861-16(2020) Standard Test Method for Measurement of Beam Divergence and Alignment in Neutron Radiologic Beams

Published By	Publication Date	Number of Pages
ASTM	2020

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Category: ASTM

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Description

ASTM E2861-16-Reapproved2020

Active Standard: Standard Test Method for Measurement of Beam Divergence and Alignment in Neutron Radiologic Beams

ASTM E2861

Scope

1.1 This test method covers the design, materials, manufacture, and use of a divergence and alignment indicator (DAI) for measuring the effective divergence of a thermal neutron beam used for neutron imaging as well as determining the alignment of the imaging plane relative (usually normal) to the centerline of the beam. This test method is applicable to thermal neutron imaging.

1.2 The values stated in SI units are to be regarded as the standard.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Keywords

alignment; beam characterization; divergence angle; neutron radiography;

ICS Code

ICS Number Code 19.100 (Non-destructive testing)

DOI: 10.1520/E2861-16R20

Additional information

Standard Title	E2861-16(2020) Standard Test Method for Measurement of Beam Divergence and Alignment in Neutron Radiologic Beams
Published Code	ASTM
Publication Date	2020