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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.

Patent No.:

US 9670572 B1

PDFFull Text
Date of Patent:
Jun. 06, 2017

Filed:

May. 06, 2015

Method for post-built heat treatment of additively manufactured components made of gamma-prime strengthened superalloys

Applicant:

Alstom Technology Ltd, Baden, CH;

Inventors:

Thomas Etter, Muhen, CH;

Roman Engeli, Zurich, CH;

Andreas Kuenzler, Baden, CH;

Assignee:

ANSALDO ENERGIA IP UK LIMITED, London, GB;

Attorney:

Buchanan Ingersoll & Rooney PC

Primary Examiner:

Rebecca Lee

Int. Cl.
CPC ...
C22F 1/10 (2006.01); C22C 19/03 (2006.01); C22C 19/07 (2006.01); C21D 6/00 (2006.01); B22F 3/105 (2006.01); B22F 3/15 (2006.01); B22F 3/16 (2006.01); B22F 3/24 (2006.01); B33Y 40/00 (2015.01); B22F 5/00 (2006.01);
U.S. Cl.
CPC ...
C22F 1/10 (2013.01); B22F 3/1055 (2013.01); B22F 3/15 (2013.01); B22F 3/16 (2013.01); B22F 3/24 (2013.01); C21D 6/00 (2013.01); C22C 19/03 (2013.01); C22C 19/07 (2013.01); B22F 5/009 (2013.01); B22F 2003/248 (2013.01); B33Y 40/00 (2014.12); Y02P 10/295 (2015.11);
Abstract

The invention relates to a method of post-built up heat treatment of an additively manufactured high strength component made of a gamma-prime strengthened superalloy based on Ni or Co or Fe or combinations thereof. An application of a rapid heating-up rate of 25 to 60° C./min in a specific temperature range during the first post-built heat treatment after additive manufacturing avoids or at least minimizes the gamma-prime precipitation in the component during heat-up. This results in crack-free components/articles compared to significant cracking present in conventionally heat treated components.

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Etter, Thomas. (2017). Method for post-built heat treatment of additively manufactured components made of gamma-prime strengthened superalloys (U.S. Patent No. 9670572). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9670572

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