Joining Metals by Combining Mechanical Stirring and Thermomechanical Treatment to Form a Globular Weld Structure

Abstract:

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A method for joining metals in the semisolid state is presented. A model alloy Sn-15%Pb was used to demonstrate the concept. By presented process, dendritic microstructure of the weld zone can be avoided. Moreover, near-weld zone of the cold worked substrates which is affected by heat would have a globular structure due to a thermomechanical treatment. The two substrates were heated up locally in the joint line to the semisolid temperature range. At this point a stirrer was introduced into the weld seam in order to mix the two sides into a single uniform joint. Localized mechanical properties of different zones were examined using Shear Punch Test (SPT), showing a good strength in the weld zone and thermomechanically affected zone.

Info:

Periodical:

Solid State Phenomena (Volumes 116-117)

Edited by:

C.G. Kang, S.K. Kim and S.Y. Lee

Pages:

397-401

DOI:

10.4028/www.scientific.net/SSP.116-117.397

Citation:

B. Shalchi Amirkhiz et al., "Joining Metals by Combining Mechanical Stirring and Thermomechanical Treatment to Form a Globular Weld Structure", Solid State Phenomena, Vols. 116-117, pp. 397-401, 2006

Online since:

October 2006

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Price:

$35.00

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