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:
Oct. 13, 2020
Filed:
Nov. 28, 2017
Ohio State Innovation Foundation, Columbus, OH (US);
Government of the United States As Represented BY the Secretary of the Air Force, Wright-Patterson AFB, OH (US);
Wei Zhang, Dublin, OH (US);
David Mahaffey, Wright-Patterson AFB, OH (US);
Sheldon Semiatin, Wright-Patterson AFB, OH (US);
Oleg Senkov, Dayton, OH (US);
Daniel Tung, Newark, OH (US);
Ohio State Innovation Foundation, Columbus, OH (US);
Government of the United States as Represented by the Secretary of the Air Force, Wright-Patterson AFB, OH (US);
Abstract
Systems and methods for calculating efficiency of a rotary friction welding process are described herein. An example method can include measuring kinetic energy transferred from a welding machine to an interface of a welded joint, and calculating an efficiency of a rotary friction welding process based on the measured kinetic energy. For example, a workpiece torque experienced by a sample can be measured, and an energy associated with the workpiece torque can be calculated. The efficiency of the rotary friction welding process can then be calculated using the energy associated with the workpiece torque.