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Scope

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.

1.3 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.

Keywords

cracking; electrode wear; expulsion; feedback control; in-process monitoring; nugget size; phase transformation; resistance spot-welding; weld strength; ICS Number Code 17.140.20 (Noise emitted by machines and equipment); 25.160.10 (Welding processes)

To find similar documents by ASTM Volume:

03.03 (Nondestructive Testing)

To find similar documents by classification:

17.140.20 (Noise emitted by machines and equipment Standards included in this group shall also be included in other groups and/or sub-groups according to their subject)

25.160.10 (Welding processes Including thermal cutting and cladding)

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