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EVS-EN 15305:2008

Non-destructive Testing - Test Method for Residual Stress analysis by X-ray Diffraction

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Kehtiv alates 07.10.2008
Alusdokumendid
EN 15305:2008
Tegevusala (ICS grupid)
19.100 Mittepurustav katsetamine
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puuduvad
Standardi ajalugu
Staatus
Kuupäev
Tüüp
Nimetus
05.02.2009
Parandus
07.10.2008
Põhitekst
This European Standard describes the test method for the determination of macroscopic residual or applied stresses non-destructively by X-ray diffraction analysis in the near-surface region of a polycrystalline specimen or component. All materials with a sufficient degree of crystallinity can be analysed, but limitations may arise in the following cases (brief indications are given in Clause 12): - Stress gradients; - Lattice constants gradient ; - Surface roughness; - Non-flat surfaces (see 5.1.2); - Highly textured materials; - Coarse grained material (see 5.1.4); - Multiphase materials; - Overlapping diffraction lines; - Broad diffraction lines. The specific procedures developed for the determination of residual stresses in the cases listed above are not included in this document. The method described is based on the angular dispersive technique with reflection geometry as defined by EN 13925-1.
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