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ASTM E 915 : 1996

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Standard Test Method for Verifying the Alignment of X-Ray Diffraction Instrumentation for Residual Stress Measurement
Available format(s)

Hardcopy , PDF

Superseded date

11-11-2014

Language(s)

English

Published date

31-12-2010

1.1 This test method covers the preparation and use of a flat stress-free test specimen for the purpose of checking the systematic error caused by instrument misalignment or sample positioning in X-ray diffraction residual stress measurement, or both.

1.2 This test method is applicable to apparatus intended for X-ray diffraction macroscopic residual stress measurement in polycrystalline samples employing measurement of a diffraction peak position in the high-back reflection region, and in which the [theta], 2[theta], and [psi] rotation axes can be made to coincide (see Fig. 1).

1.3 This test method describes the use of iron powder which has been investigated in round-robin studies for the purpose of verifying the alignment of instrumentation intended for stress measurement in ferritic or martensitic steels. To verify instrument alignment prior to stress measurement in other alloys, base metal powder having the same crystal structure as the alloy should be prepared in similar fashion and used to check instrument alignment at the appropriate diffraction angle.

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.

Committee
E 28
DocumentType
Test Method
Pages
3
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy

I.S. EN 15305:2008 NON-DESTRUCTIVE TESTING - TEST METHOD FOR RESIDUAL STRESS ANALYSIS BY X-RAY DIFFRACTION
ASTM E 2860 : 2020 Standard Test Method for Residual Stress Measurement by X-Ray Diffraction for Bearing Steels
ASTM F 3122 : 2014 Standard Guide for Evaluating Mechanical Properties of Metal Materials Made via Additive Manufacturing Processes

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£55.10
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