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Liu; Ken C.
Oak Ridge, TN
No. of patents:

Patent Number Title Of Patent Date Issued
8230748 Apparatus for pre-stress-straining rod-type specimens in tension for in-situ passive fracture te July 31, 2012
A stress-strain testing apparatus imposes a stress-strain on a specimen while disposed in a controlled environment. Each end of the specimen is fastened to an end cap and a strain gage is attached to the specimen. An adjusting mechanism and a compression element are disposed between the
8176795 Apparatuses for prestressing rod-type specimens in torsion for in-situ passive fracture toughnes May 15, 2012
An in-situ specimen fixture particularly adapted for prestressing rod-type SNTT-type specimens comprising a tube and end cap wherein the specimen is secured at one end to the tube, and at the opposite end to the end cap. The end cap is rotatable relative to the tube, and may be fixed

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