ASTM E266 - 17 - Standard Test Method for Measuring Fast-Neutron Reaction Rates by Radioactivation of Aluminum

ASTM E266 - 17

Standard Test Method for Measuring Fast-Neutron Reaction Rates by Radioactivation of Aluminum

Status : Current   Published : August 2017

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1.1 This test method covers procedures measuring reaction rates by the activation reaction 27Al(n,α) 24 Na.

1.2 This activation reaction is useful for measuring neutrons with energies above approximately 6.5 MeV and for irradiation times up to about 2 days (for longer irradiations, or when there are significant variations in reactor power during the irradiation, see Practice E261).

1.3 With suitable techniques, fission-neutron fluence rates above 10 6 cm −2·s −1 can be determined.

1.4 Detailed procedures for other fast neutron detectors are referenced in Practice E261.

1.5  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.

1.6  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.




Standard NumberASTM E266 - 17
TitleStandard Test Method for Measuring Fast-Neutron Reaction Rates by Radioactivation of Aluminum
StatusCurrent
Publication Date01 August 2017
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Descriptors Activation, Activation reaction, Aluminum, Cross section, Dosimetry, Fast-neutron monitor, Neutron metrology, Pressure vessel surveillance, Reaction rate
ICS17.240
PublisherASTM
FormatA4
DeliveryYes
Pages4
File Size129 KB
Price£37.00


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