نتایج جستجو برای: Cruciform specimen
تعداد نتایج: 62098 فیلتر نتایج به سال:
In fiber reinforced composite materials, the interface between the fiber and the matrix plays akey role in mechanical properties of composite materials. Therefore, a more accurateevaluation method of the interface is necessary to develop better fiber reinforced compositematerials. Many techniques are used for evaluating the interfacialproperties. Recently, anexperimental met...
Cruciform specimens are one of the most common used to measure plane mechanical properties materials. Two significant difficulties in designing cross reducing stress concentration at intersection arms and improving stress/strain uniformity gauge area. The shape border cruciform specimen is tightly related above two. Due lack guidelines for design specimens, optimizing an urgent problem be solve...
The aim of this paper focused on obtaining the optimum cruciform geometry of reinforced magnetorheological elastomers (MRE) to perform homogeneous equibiaxial deformation tests, by using optimization algorithms and Finite Element Method (FEM) simulations. To validate the proposed specimen geometry, a digital image correlation (DIC) system was used to compare experimental result measurements wit...
A preliminary analytical study was conducted to investigate the effects of cruciform test specimen geometries on strain distribution uniformity in the central gage section under biaxial loads. Three distinct specimen geometries were considered while varying the applied displacements in the two orthogonal directions. Two sets of woven fabric material properties found in literature were used to q...
A leading reason for the limited use of laminated composite materials in primary structural applications is that failure initiates in the ply oriented transverse to the direction of the applied load at a much lower strain than that which would cause the ultimate failure of the laminate. Previous studies indicate that transverse failure is manifested as either cavitation induced brittle failure ...
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