ASTM-E2956 2021

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E2956-21 Standard Guide for Monitoring the Neutron Exposure of LWR Reactor Pressure Vessels

Published By	Publication Date	Number of Pages
ASTM	2021

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Categories: 27.120.10 - Reactor engineering, ASTM

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Description

ASTM E2956-21

Historical Standard: Standard Guide for Monitoring the Neutron Exposure of LWR Reactor Pressure Vessels

ASTM E2956

Scope

1.1 This guide establishes the means and frequency of monitoring the neutron exposure of the LWR reactor pressure vessel throughout its operating life.

1.2 The physics-dosimetry relationships determined from this guide may be used to estimate reactor pressure vessel damage through the application of Practice E693 and Guide E900, using fast neutron fluence (E > 1.0 MeV and E > 0.1 MeV), displacements per atom – dpa, or damage-function-correlated exposure parameters as independent exposure variables. Supporting the application of these standards are the E853, E944, E1005, and E1018 standards, identified in 2.1.

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

damage correlations; dosimetry; dpa; exposure parameters; ex-vessel neutron dosimetry; reactor pressure vessel; retrospective dosimetry; surveillance; surveillance dosimetry;

ICS Code

ICS Number Code 27.120.10 (Reactor engineering)

DOI: 10.1520/E2956-21

Additional information

Standard Title	E2956-21 Standard Guide for Monitoring the Neutron Exposure of LWR Reactor Pressure Vessels
Published Code	ASTM
Publication Date	2021
ICS Codes	27.120.10 - Reactor engineering