نتایج جستجو برای: mechanical tests
تعداد نتایج: 560320 فیلتر نتایج به سال:
The accuracy of strategies combining heterogeneous mechanical tests and full-field strain measurement techniques is dependent on many factors. Recently, with different specimen shapes have been proposed using optimization or empirical knowledge. However, a comparison difficult task because studies use materials representations the stress states. This work discusses metrics, calculated from tens...
Standard chirurgical treatment of abdominal aortic aneurysm involves the placement of tubular synthetic aortic prostheses. Most of these implants are made up of polyester textiles or porous expanded polytetrafluoroethylene. Normalised tests are dedicated to their assessment (ISO 7198:1998, cardiovascular implants and tubular vascular prostheses). However, such experiments are not sufficient to ...
Magnetic resonance elastography (MRE), a phase contrast MRI technique, images the propagation of applied mechanical waves in tissue, allowing shear stiffness to be quantified in vivo. This MRE technique has been validated with static mechanical compression tests. Dynamic mechanical analysis (DMA) may be a more appropriate comparison to MRE because it directly measures the shear modulus dynamica...
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