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Material mechanical characterization method for multiple strains and strain rates

United States Patent

9,239,277
January 19, 2016
View the Complete Patent at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
A specimen for measuring a material under multiple strains and strain rates. The specimen including a body having first and second ends and a gage region disposed between the first and second ends, wherein the body has a central, longitudinal axis passing through the first and second ends. The gage region includes a first gage section and a second gage section, wherein the first gage section defines a first cross-sectional area that is defined by a first plane that extends through the first gage section and is perpendicular to the central, longitudinal axis. The second gage section defines a second cross-sectional area that is defined by a second plane that extends through the second gage section and is perpendicular to the central, longitudinal axis and wherein the first cross-sectional area is different in size than the second cross-sectional area.
Erdman, III; Donald L. (Knoxville, TN), Kunc; Vlastimil (Knoxville, TN), Simunovic; Srdjan (Knoxville, TN), Wang; Yanli (Knoxville, TN)
UT-BATTELLE, LLC (Oak Ridge, TN), OAK RIDGE ASSOCIATED UNIVERSITIES (Oak Ridge, TN)
13/ 469,525
20120287248
May 11, 2012
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.