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Estimating the strength of resistance spot welds based on sonic emission
Podržaj, Primož (Author), Polajnar, Ivan (Author), Diaci, Janez (Author), Kariž, Zoran (Author)

URLURL - Presentation file, Visit http://dx.doi.org/10.1179/174329305X44107 New window

Abstract
Audible sound signals detected during the resistance spot welding (RSW) of zinc coated steels were investigated in order to assess their suitability for estimating the strength of the weld. A new sonic emission indicator was introduced and compared to a commonly used emission count indicator. A new method of spot weld strength estimation based on the two indicators is presented. The advantage of the method is that it makes it possible to establish the stage when the electrode is worn out. The method enables the development of improved RSW process control algorithms.

Language:English
Keywords:acoustic emission, expulsion, resistance spot welding, weld strength
Work type:Not categorized (r6)
Tipology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Year:2005
Number of pages:str. 399-405
Numbering:Letn. 10, Št. 4
UDC:621.791:534
ISSN on article:1362-1718
COBISS.SI-ID:8437275 Link is opened in a new window
Views:554
Downloads:163
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Record is a part of a journal

Title:Science and technology of welding and joining
Shortened title:Sci. technol. weld. join.
Publisher:Institute of Materials
ISSN:1362-1718
COBISS.SI-ID:166337 New window

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