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.:
Date of Patent:
Jan. 26, 2016
Filed:
Oct. 05, 2010
Michael M. Khonsari, Baton Rouge, LA (US);
Mehdi Naderi Abadi, Baton Rouge, LA (US);
Mehdi Amiri Darehbidi, Baton Rouge, LA (US);
Michael M. Khonsari, Baton Rouge, LA (US);
Mehdi Naderi Abadi, Baton Rouge, LA (US);
Mehdi Amiri Darehbidi, Baton Rouge, LA (US);
Board of Supervisors of Louisiana State University And Agricultural and Mechanical College, Baton Rouge, LA (US);
Abstract
A method and apparatus are disclosed for approximating in real time the fracture fatigue entropy (FFE) of a metallic object subjected to cyclic loading. Such objects experience fatigue, which can lead to failure after a number of loading cycles. The disclosed invention allows for real time monitoring of the entropy increase in a metallic object under cyclic loading, and allows for removing the object from service before fatigue fracture occurs. Through use of the present invention, users may keep metallic objects in service for longer periods, because such objects may be safely taken closer to the fatigue fracture point. The invention therefore can effectively extend the useful life of many critical components and reduce downtime resulting from repair or premature replacement.