Standard Historical Last Updated: Jul 10, 2015 Track Document
ASTM E242-01(2010)

Standard Reference Radiographs for Appearances of Radiographic Images as Certain Parameters Are Changed

Standard Reference Radiographs for Appearances of Radiographic Images as Certain Parameters Are Changed E0242-01R10 ASTM|E0242-01R10|en-US Standard Reference Radiographs for Appearances of Radiographic Images as Certain Parameters Are Changed Standard new BOS Vol. 03.03 Committee E07
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Significance and Use

A key consideration with any radiographic system is its capability to resolve detail (that is, sensitivity). The degree of obtainable sensitivity with a given system is dependent upon several radiographic parameters such as source energy level, film system, type and thickness of intensifying screens, and material thickness radiographed. These reference radiographs permit the user to estimate the degree of sensitivity change that may be obtained when these parameters are varied from a specific technique. This standard may also be used in conjunction with Test Method E1815 or with Test Method E746 to provide a basis for developing data for evaluation of a user's specific system. This data may assist a user in determining appropriate parameters for obtaining desired degrees of radiographic system sensitivity.

Scope

1.1 This document describes the appearance of a radiographic image where fundamental components of image quality are changed, that is, variables such as whether an X-ray or gamma ray source was used, the characteristics of the radiographic film and intensifying screens, and the geometrical configuration of the object under investigation as well as its associated radiographic set-up.

1.2 These reference radiographs consist of four composite illustrations and show how such factors as radiation energy, specimen thickness, and film properties affect the radiographic image. The reference radiograph films are an adjunct to this document and must be purchased separately from ASTM if needed.

1.3 The values stated in inch-pound units are to be regarded as the 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.

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Details
Book of Standards Volume: 03.03
Developed by Subcommittee: E07.02
Pages: 4
DOI: 10.1520/E0242-01R10
ICS Code: 19.100