Science news articles about 'failure mechanisms'

... is combined with a corrosive environment that attacks sensitive grain boundaries. These cracks represent a critical failure mechanism. In power generation plants, certain ...

... the formation of delicate, detailed and beautiful patterns. Mechanical instabilities in soft polymers, precipitated by dewetting ... during the production stage, are often viewed as failure mechanisms that can interfere with the performance of devices. However ...

If a hip prosthesis implanted to replace a worn-out joint itself fails, then what are the reasons? Until now this problem has been little understood: partly due to incomplete records, partly due to ...

... to the patient's pelvis and were associated with a higher rate of failure, particularly when used in patients who had previously had a hip implant ... have taught us valuable lessons regarding failure mechanisms and how to avoid them," said Della Valle ...

... and fabricated as well as their resultant strengths and weaknesses. How mechanical properties change at the nanoscale is of fundamental interest ... are stretched more slowly, their behavior changes -- the deformation and failure mechanisms are very different than what we've ...

... to each other. The models helped the researchers determine the molecular and atomic mechanisms responsible for the material's remarkable ... -level computer simulations that investigated the molecular failure mechanisms in silk. "Small yet rigid ...

... , it morphs into a new structure which is mechanically unstable. Marianetti says this failure mechanism is a novel soft-mode ... and that therefore it is likely that this novel failure mechanism is not exclusive to graphene but may be prevalent in other very thin materials ...

... again," said Xuanhe Zhao, assistant professor of mechanical engineering and materials science at Duke's Pratt ... . The new lithography strategy takes useful insights from this failure mechanism. On a more fanciful note, Zhao described ...

... brain networks," Seeley said. "The different proposed mechanisms lead to different predictions about how a region's place ... that gives rise to or worsens disease. In the "trophic failure" mechanism, breakdowns in connectivity would disrupt ...