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Standard Test Method for Determining the X-Ray Elastic Constants for Use in the Measurement of Residual Stress Using X-Ray Diffraction Techniques
Automaticky preložený názov:
Štandardná skúšobná metóda pre stanovenie X-Ray elastických konštánt pre použitie v meraní pnutia Použitie röntgenová difrakcia techniky
NORMA vydaná dňa 1.12.2014
Označenie normy: ASTM E1426-14
Poznámka: NEPLATNÁ
Dátum vydania normy: 1.12.2014
Kód tovaru: NS-581153
Počet strán: 6
Približná hmotnosť: 18 g (0.04 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Keywords:
residual stress, XEC, x-ray diffraction, x-ray elastic constant,, ICS Number Code 71.040.50 (Physicochemical methods of analysis)
Significance and Use | ||||||||
6.1 This test method provides standard procedures for experimentally determining the XEC for use in the measurement of residual and applied stresses using x-ray diffraction techniques. It also provides a standard means of reporting the precision of the 6.2 This test method is applicable to any crystalline material that exhibits a linear relationship between stress and strain in the elastic range, that is, only applicable to elastic loading. 6.3 This test method should be used whenever residual stresses are to be evaluated by x-ray diffraction techniques and the XEC of the material are unknown. |
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1. Scope | ||||||||
1.1 This test method covers a procedure for experimentally determining the x-ray elastic constants 1.2 This test method is applicable to all x-ray diffraction instruments intended for measurements of macroscopic residual stress that use measurements of the positions of the diffraction peaks in the high back-reflection region to determine changes in lattice spacing. 1.3 This test method is applicable to all x-ray diffraction techniques for residual stress measurement, including single, double, and multiple exposure techniques. 1.4 The values stated in SI units are to be regarded as standard. The values given in parentheses are mathematical conversions to inch-pound units that are provided for information only and are not considered standard. 1.5 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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2. Referenced Documents | ||||||||
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