2019
DOI: 10.1063/1.5026708
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Fatigue device driven by a three degree of freedom tripodal piezoelectric actuator

Abstract: A miniature piezoelectric-driven fatigue device with three degrees of freedom is developed. The device integrates two fatigue testing functions, including uniaxial tensile fatigue and tensile-bending combined loading modes. The synchronous tensile-bending loading principle is described, which is applicable for calculating the vector displacements along two orthogonal directions and investigating the anisotropic fatigue properties. Regarding the combined loading mode, maximum load/displacement amplitudes for te… Show more

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Cited by 3 publications
(1 citation statement)
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“…Meanwhile, the adjustment of initial contact between the biomimetic claw and rotator was realized by a pair of manual biaxial platform and assisted optical imaging. The annular enveloped flexure hinge 35 (fabricated through low speed wire cut electrical discharge machine of 1065 manganese steel) included eight thin-wall bending hinges with width of 0.8 mm and a main arc-type hinge with width of 1.5 mm (Figure 3b). The magnified biomimetic claws indicated a "hook-type" structure with outer edge radius r o of 400 μm and a contact microregion with width of tens of microns.…”
Section: Resultsmentioning
confidence: 99%
“…Meanwhile, the adjustment of initial contact between the biomimetic claw and rotator was realized by a pair of manual biaxial platform and assisted optical imaging. The annular enveloped flexure hinge 35 (fabricated through low speed wire cut electrical discharge machine of 1065 manganese steel) included eight thin-wall bending hinges with width of 0.8 mm and a main arc-type hinge with width of 1.5 mm (Figure 3b). The magnified biomimetic claws indicated a "hook-type" structure with outer edge radius r o of 400 μm and a contact microregion with width of tens of microns.…”
Section: Resultsmentioning
confidence: 99%