ASTM-E942 2011

$44.96

E942-96(2011) Standard Guide for Simulation of Helium Effects in Irradiated Metals

Published By	Publication Date	Number of Pages
ASTM	2011	12

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Categories: 77.040.99 - Other methods of testing of metals, ASTM

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Description

ASTM E942-96-Reapproved2011

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 α-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 E521.

1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.4 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; Alpha particle radioactivity; Deformation; Density–nuclear-grade materials; Destructive testing–irradiation; Dosimetry; Electron radiation; Energy deposition–ionizing radiation; Fluence; Radiation exposure–nuclear materials/applications; Foil extraction; Heating tests–metals; Helium; Ion displacement; Irradiance/irradiation; Surface analysis–nuclear materials; Metallographic analysis/inspection; Metals and metallic materials–irradiation; Neutron radiation–nuclear materials/applications; Photomicrography; Purity analysis; Swelling

ICS Code

ICS Number Code 77.040.99 (Other methods of testing metals)

DOI: 10.1520/E0942-96R11

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

Additional information

Standard Title	E942-96(2011) Standard Guide for Simulation of Helium Effects in Irradiated Metals
Published Code	ASTM
Publication Date	2011
Pages Count	12
ICS Codes	77.040.99 - Other methods of testing of metals