ASTM-E749 2007

$40.63

E749-07 Standard Practice for Acoustic Emission Monitoring During Continuous Welding

Published By	Publication Date	Number of Pages
ASTM	2007	5

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Categories: 17.140.20 - Noise emitted by machines and equipment, 25.160.01 - Welding, brazing and soldering in general, 25.160.10 - Welding processes, ASTM

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Description

1.1 This practice provides recommended guidelines for acoustic emission (AE) monitoring of weldments during and immediately following their fabrication by continuous welding processes.

1.2 The procedure described in this practice is applicable to the detection and location of AE sources in weldments and in their heat-affected zone during fabrication, particularly in those cases where the time duration of welding is such that fusion and solidification take place while welding is still in progress.

1.3 The effectiveness of acoustic emission to detect discontinuities in the weldment and the heat-affected zone is dependent on the design of the AE system, the AE system verification procedure, the weld process, and the material type. Materials that have been monitored include low-carbon steels, low-alloy steels, stainless steels, and some aluminum alloys. The system performance must be verified for each application by demonstrating that the defects of concern can be detected with the desired reliability.

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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PDF Pages	PDF Title
1	Scope Referenced Documents Terminology Significance and Use
2	Basis of Application Examination Preparation FIG. 1 FIG. 2 FIG. 3
3	Apparatus FIG. 4 FIG. 5
4	Examination Procedures Examination Records Interpretation of Results Report Keywords TABLE 1

Additional information

Standard Title	E749-07 Standard Practice for Acoustic Emission Monitoring During Continuous Welding
Published Code	ASTM
Publication Date	2007
Pages Count	5
ICS Codes	17.140.20 - Noise emitted by machines and equipment 25.160.01 - Welding, brazing and soldering in general 25.160.10 - Welding processes

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ASTM-E749 2007

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