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Title:
ALUMINUM AIRFOIL
Document Type and Number:
WIPO Patent Application WO/2013/115949
Kind Code:
A3
Abstract:
A method of making an aluminum airfoil includes brazing a first airfoil piece and a second airfoil piece together using a braze material that includes an element selected from magnesium and zinc, to form a braze joint between the first airfoil piece and the second airfoil piece. At least one of the first airfoil piece or the second airfoil piece has an aluminum alloy composition that includes greater than 0.8% by weight of zinc.

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Inventors:
WATSON THOMAS J (US)
BALES DANIEL A (US)
Application Number:
PCT/US2013/020969
Publication Date:
June 18, 2015
Filing Date:
January 10, 2013
Export Citation:
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Assignee:
UNITED TECHNOLOGIES CORP (US)
International Classes:
B23K20/02; B23P15/04
Foreign References:
US5242102A1993-09-07
US7854252B22010-12-21
US7014426B22006-03-21
Other References:
See also references of EP 2809884A4
Attorney, Agent or Firm:
KOZIARZ, Matthew L. (Gaskey & Olds PC400 W. Maple Road, Suite 35, Birmingham Michigan, US)
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