ASTM-E942 2003

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E942-96(2003) Standard Guide for Simulation of Helium Effects in Irradiated Metals

Published By	Publication Date	Number of Pages
ASTM	2003	12

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Category: ASTM

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Description

ASTM E942-96-Reapproved2003

Historical Standard: Standard Guide for Simulation of Helium Effects in Irradiated Metals

ASTM E942

Scope

1.1 This guide provides advice for conducting experiments to investigate the effects of helium on the properties of metals where the technique for introducing the helium differs in some way from the actual mechanism of introduction of helium in service. Simulation techniques considered for introducing helium shall include charged particle implantation, exposure to -emitting radioisotopes, and tritium decay techniques. Procedures for the analysis of helium content and helium distribution within the specimen are also recommended.

1.2 Two other methods for introducing helium into irradiated materials are not covered in this guide. They are the enhancement of helium production in nickel-bearing alloys by spectral tailoring in mixed-spectrum fission reactors, and isotopic tailoring in both fast and mixed-spectrum fission reactors. These techniques are described in Refs (1-5). Dual ion beam techniques (6) for simultaneously implanting helium and generating displacement damage are also not included here. This latter method is discussed in Practice E 521.

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

Keywords

helium analysis; helium effects; ion irradiation; radiation damage; tritium trick

ICS Code

ICS Number Code n/a

DOI: 10.1520/E0942-96R03

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Terminology Significance and Use Techniques for Introducing Helium
7	Techniques for the Analysis of Helium Content and Distribution
11	Keywords REFERENCES