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:
Sep. 10, 2019

Filed:

Dec. 15, 2016
Applicant:

Bell Helicopter Textron Inc., Fort Worth, TX (US);

Inventors:

Bogdan Roman Krasnowski, Bedford, TX (US);

Xiaoming Li, Colleyville, TX (US);

Chyau Tzeng, Arlington, TX (US);

Robert Patrick Wardlaw, Keller, TX (US);

Robert Arnold Brack, Bedford, TX (US);

Assignee:

BELL HELICOPTER TEXTRON INC., Fort Worth, TX (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01N 3/20 (2006.01); G01N 3/24 (2006.01); G01N 3/02 (2006.01); G01N 3/04 (2006.01); G01N 33/00 (2006.01);
U.S. Cl.
CPC ...
G01N 3/20 (2013.01); G01N 3/02 (2013.01); G01N 3/04 (2013.01); G01N 3/24 (2013.01); G01N 33/00 (2013.01); G01N 2033/0003 (2013.01); G01N 2203/001 (2013.01); G01N 2203/0003 (2013.01); G01N 2203/0005 (2013.01); G01N 2203/0023 (2013.01); G01N 2203/0062 (2013.01); G01N 2203/0252 (2013.01); G01N 2203/0266 (2013.01); G01N 2203/0282 (2013.01);
Abstract

A method for determining a shear property of a sample includes supporting a sample at three or more separate support locations about a periphery of a first surface of the sample in a testing fixture, the sample including a second surface separated from the first surface by a thickness, wherein the sample is axisymmetric about an axis that is orthogonal to the first surface. The method includes applying a load on the second surface of the sample with a load applicator in a direction substantially parallel with the axis, measuring, with a controller, shear testing data of the sample in response to applying the load, and determining, with the controller, a shear property of the sample from the measured shear testing data.


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