Friction stir welding and processing of oxide dispersion strengthened (ODS) alloys

Ren, Weiju

Title: Friction stir welding and processing of oxide dispersion strengthened (ODS) alloys

Patent · Tue Nov 11 00:00:00 EST 2014

OSTI ID:1163757

Ren, Weiju

A method of welding including forming a filler material of a first oxide dispersoid metal, the first oxide dispersoid material having first strengthening particles that compensate for decreases in weld strength of friction stir welded oxide dispersoid metals; positioning the filler material between a first metal structure and a second metal structure each being comprised of at least a second oxide dispersoid metal; and friction welding the filler material, the first metal structure and the second metal structure to provide a weld.

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Research Organization:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC05-00OR22725

Assignee:: UT-Battelle, LLC (Oak Ridge, TN)

Patent Number(s):: 8,881,964

Application Number:: 12/887,056

OSTI ID:: 1163757

Resource Relation:: Patent File Date: 2010 Sep 21

Country of Publication:: United States

Language:: English

References (19)

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Apparatus and method for friction stir welding of high strength materials, and articles made therefrom Subramanian, Pazhayannur Ramanathan; Bewlay, Bernard Patrick; Helder, Earl Claude https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7337940 US Patent Document 7,337,940	patent	March 2008
Multiple pass and multiple layer friction stir welding and material enhancement processes Feng, Zhili; David, Stan A.; Frederick, David Alan https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7762447 US Patent Document 7,762,447	patent	July 2010
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