The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 11, 2023

Filed:

Sep. 28, 2020
Applicant:

Arconic Technologies Llc, Pittsburgh, PA (US);

Inventors:

Andreas Kulovits, Pittsburgh, PA (US);

Tao Zhou, Lancaster, PA (US);

Baolute Ren, Lititz, PA (US);

Harry R. Zonker, Pittsburgh, PA (US);

Assignee:

ARCONIC TECHNOLOGIES LLC, Pittsburgh, PA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 35/28 (2006.01); B23K 35/02 (2006.01); B32B 15/01 (2006.01); C22C 21/08 (2006.01);
U.S. Cl.
CPC ...
B23K 35/286 (2013.01); B23K 35/0238 (2013.01); B32B 15/016 (2013.01); C22C 21/08 (2013.01);
Abstract

New aluminum alloy brazing sheets are disclosed. The new aluminum alloy brazing sheets may include a core, an interliner layer adjacent the core, and a braze liner adjacent the interliner layer. The interliner layer may include a first aluminum alloy having at least 0.35 wt. % Si and from 0.05 to 2.0 wt. % Mg. The braze liner may include a second aluminum alloy having 0.05 to 2.0 wt. % Mg. The first aluminum alloy and the second aluminum alloy may include an amount of magnesium sufficient to achieve T(IL)≥5° C. T(BL). The new aluminum alloy brazing products may be useful, for instance, in fluxfree brazing.


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