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Standard Practice for Fabrication and Control of Aluminum Alloy Ultrasonic Standard Reference Blocks
Automatische name übersetzung:
Standard Praxis für die Herstellung und Kontrolle von Ultraschall- Aluminium-Legierung Standard-Referenzblöcke
NORM herausgegeben am 1.6.2015
Bezeichnung normen: ASTM E127-15
Anmerkung: UNGÜLTIG
Ausgabedatum normen: 1.6.2015
SKU: NS-609044
Zahl der Seiten: 9
Gewicht ca.: 27 g (0.06 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Keywords:
aluminum reference blocks, area-amplitude calibration blocks, distance-amplitude calibration blocks, nondestructive testing, standard reference blocks, ultrasonic reference blocks ,, ICS Number Code 77.040.01 (Testing of metals in general), 77.120.10 (Aluminium and aluminium alloys)
Significance and Use | ||||||||||||||||
5.1 Reference blocks fabricated to this practice will exhibit specific area-amplitude and distance-amplitude relationships only with an immersion test at 5 MHz using the search unit, test instrument, and test parameters described in this practice. Comparison tests at other frequencies or with uncalibrated test systems will not necessarily give the same relationships shown in this practice. 5.2 Although the primary ultrasonic evaluation of blocks is performed at a specified frequency, the blocks may be used to standardize ultrasonic tests at any frequency and with any pulse-echo ultrasonic test system. Establishment of distance-amplitude and area-amplitude characteristics is necessary for each application. This use may be inappropriate for other materials and curved surfaces without special compensation. Also see 1.1 This practice covers a procedure for fabricating aluminum alloy ultrasonic standard reference blocks that can be used for assessing performance of ultrasonic testing equipment and for standardization and control of ultrasonic tests of aluminum alloy products using pulsed longitudinal waves introduced into test material either by the direct-contact method or by the immersion method. Note 1: Practice E428 and Guide E1158 also describe procedures for selecting material, fabricating blocks, and checking response. 1.2 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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