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Reversal bending fatigue testing

United States Patent

October 21, 2014
View the Complete Patent at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
Embodiments for apparatuses for testing reversal bending fatigue in an elongated beam are disclosed. Embodiments are configured to be coupled to first and second end portions of the beam and to apply a bending moment to the beam and create a pure bending condition in an intermediate portion of the beam. Embodiments are further configured to cyclically alternate the direction of the bending moment applied to the beam such that the intermediate portion of the beam cyclically bends in opposite directions in a pure bending condition.
Wang; Jy-An John (Oak Ridge, TN), Wang; Hong (Oak Ridge, TN), Tan; Ting (Oak Ridge, TN)
UT-Battelle, LLC (Oak Ridge, TN)
13/ 396,413
February 14, 2012
ACKNOWLEDGMENT OF GOVERNMENT SUPPORT This invention was made with government support under Contract No. DE-AC05-00OR22725 awarded by the U.S. Department of Energy. The government has certain rights in the invention.