Standard Historical Last Updated: Dec 31, 2010 Track Document
ASTM E526-97(2002)

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

Standard Test Method for Measuring Fast-Neutron Reaction Rates by Radioactivation of Titanium E0526-97R02 ASTM|E0526-97R02|en-US Standard Test Method for Measuring Fast-Neutron Reaction Rates by Radioactivation of Titanium Standard new BOS Vol. 12.02 Committee E10
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Scope

1.1 This test method covers procedures for measuring reaction rates by the activation reactions 46Ti (n, p) 46Sc + 47Ti (n, np) 46Sc.

Note 1—Since the cross section for the (n,np) reaction is relatively small for energies less than 12 MeV and is not easily distinguished from that of the (n,p) reaction, this test method will refer to the (n,p) reaction only.

1.2 The reaction is useful for measuring neutrons with energies above approximately 4.4 MeV and for irradiation times up to about 250 days (for longer irradiations, see Practice E 261).

1.3 With suitable techniques, fission-neutron fluence rates above 109 cm-2s-1 can be determined. However, in the presence of a high thermal-neutron fluence rate, 46Sc depletion should be investigated.

1.4 Detailed procedures for other fast-neutron detectors are referenced in Practice E 261.

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 and health practices and determine the applicability of regulatory limitations prior to use.

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Details
Book of Standards Volume: 12.02
Developed by Subcommittee: E10.05
Pages: 3
DOI: 10.1520/E0526-97R02
ICS Code: 17.240; 27.120.30