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:
May. 11, 2021

Filed:

Jul. 03, 2018
Applicant:

W. L. Gore & Associates, Inc., Newark, DE (US);

Inventor:

Jeremy E. Schaffer, Leo, IN (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 19/00 (2006.01); A61L 31/02 (2006.01); C22F 1/00 (2006.01); A61L 31/14 (2006.01); B21F 9/00 (2006.01); A61N 1/05 (2006.01);
U.S. Cl.
CPC ...
C22C 19/007 (2013.01); A61L 31/022 (2013.01); A61L 31/14 (2013.01); B21F 9/00 (2013.01); C22C 19/00 (2013.01); C22F 1/006 (2013.01); A61L 2400/16 (2013.01); A61N 1/05 (2013.01);
Abstract

Wire products, such as round and flat wire, strands, cables, and tubing, are made from a shape memory material in which inherent defects within the material are isolated from the bulk material phase of the material within one or more stabilized material phases, such that the wire product demonstrates improved fatigue resistance. In one application, a method of mechanical conditioning in accordance with the present disclosure isolates inherent defects in nickel-titanium or NiTi materials in fields of a secondary material phase that are resistant to crack initiation and/or propagation, such as a martensite phase, while the remainder of the surrounding defect-free material remains in a primary or parent material phase, such as an austenite phase, whereby the overall superelastic nature of the material is preserved.


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