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Title: Friction stir welding tool and process for welding dissimilar materials

Abstract

A friction stir welding tool and process for lap welding dissimilar materials are detailed. The invention includes a cutter scribe that penetrates and extrudes a first material of a lap weld stack to a preselected depth and further cuts a second material to provide a beneficial geometry defined by a plurality of mechanically interlocking features. The tool backfills the interlocking features generating a lap weld across the length of the interface between the dissimilar materials that enhances the shear strength of the lap weld.

Inventors:
; ; ;
Publication Date:
Research Org.:
PNNL (Pacific Northwest National Laboratory (PNNL), Richland, WA (United States))
Sponsoring Org.:
USDOE
OSTI Identifier:
1084244
Patent Number(s):
8,434,661
Application Number:
13/523,112
Assignee:
Battelle Memorial Institute (Richland, WA) PNNL
DOE Contract Number:  
AC05-76RLO1830
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING

Citation Formats

Hovanski, Yuri, Grant, Glenn J, Jana, Saumyadeep, and Mattlin, Karl F. Friction stir welding tool and process for welding dissimilar materials. United States: N. p., 2013. Web.
Hovanski, Yuri, Grant, Glenn J, Jana, Saumyadeep, & Mattlin, Karl F. Friction stir welding tool and process for welding dissimilar materials. United States.
Hovanski, Yuri, Grant, Glenn J, Jana, Saumyadeep, and Mattlin, Karl F. Tue . "Friction stir welding tool and process for welding dissimilar materials". United States. https://www.osti.gov/servlets/purl/1084244.
@article{osti_1084244,
title = {Friction stir welding tool and process for welding dissimilar materials},
author = {Hovanski, Yuri and Grant, Glenn J and Jana, Saumyadeep and Mattlin, Karl F},
abstractNote = {A friction stir welding tool and process for lap welding dissimilar materials are detailed. The invention includes a cutter scribe that penetrates and extrudes a first material of a lap weld stack to a preselected depth and further cuts a second material to provide a beneficial geometry defined by a plurality of mechanically interlocking features. The tool backfills the interlocking features generating a lap weld across the length of the interface between the dissimilar materials that enhances the shear strength of the lap weld.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue May 07 00:00:00 EDT 2013},
month = {Tue May 07 00:00:00 EDT 2013}
}

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