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Residual stress (RS) is crucial to the fabrications of woven composite plates and difficult to measure experimentally because of the complex structures of these plates. This study aims to investigate the RS in 2D plane weave aramid fiber composite plates using hole‐drilling technique coupled with moiré interferometry. A two‐step drilling method is proposed to solve the problems caused by the ‘peel...
Osteoporotic patients occur frequently fragile fractures, and femoral fractures are the common traumatic injuries in the elderly. Although wires are often used through trials-and-errors for unstable femoral proximal fractures with DHS fixation clinically, there is no efficacy wire fixation technique available due to the lack of biomechanical study. FEM is applied to analyze the stress and strain distribution...
The study aims to predict the life and assess the reliability of electronic packages subject to multiple drop-impacts. Engineers used to adopt mechanics analysis as well as a certain life prediction model to predict the impact life of the package, and it is usually a deterministic value. However, drop test results show that the impact life of the package is not a single deterministic value but scatters...
This paper covers the statistical analysis, stress analysis, and failure characteristics of two types of tension specimens used for testing fiber/metal hybrid laminates. The specimen geometries considered are straight-sided and dogbone-type specimens. Statistical analysis of the results from both specimen types shows that the longitudinal mean tensile ultimate strength is significantly different...
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