Fatigue life analysis and experimental verification of coronary stent
Heart and vessels(2010)
Abstract
A computational and experimental method on biomechanics of stent is presented to analyze the stress distribution of different phases and evaluate the fatigue life according to Goodman criteria. As a result, the maximum stress and alternating stress were always located at the curvature area of rings, the fatigue bands in the experiment also verified the computation rationality. Matching between the numerical simulation and experimental results was satisfactory, which proved that the finite element analysis could provide theoretical evidence and help design and optimize the stent structure.
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Key words
stent · stress · finite element · goodman crite- ria · fatigue life,numerical simulation,finite element,finite element analysis
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