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ASTM E751-07

Current Revision

Standard Practice for Acoustic Emission Monitoring During Resistance Spot-Welding

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1.1 This practice describes procedures for the measurement, processing, and interpretation of the acoustic emission (AE) response associated with selected stages of the resistance spot-welding process.

1.2 This practice also provides guidelines for feedback control by utilizing the measured AE response signals during the spot-welding process.

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.


The AE produced during the production of a spot-weld can be related to weld quality parameters such as the strength and size of the nugget, the amount of expulsion, and the amount of cracking. Therefore, in-process AE monitoring can be used both as an examination method, and as a means for providing feedback control.

SDO ASTM: ASTM International
Document Number E751
Publication Date Feb. 15, 2007
Language en - English
Page Count 7
Revision Level 07
Supercedes
Committee E07.04
Publish Date Document Id Type View
Feb. 15, 2007 E0751-07 Revision
July 10, 2001 E0751-96 Revision
July 10, 2001 E0751-01 Revision