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Published in:
2005 | OriginalPaper | Chapter
Study of Fatigue Endurance of Conventional and Modified Core Junctions in Sandwich Beams
Authors : Elena Bozhevolnaya, Anders Lyckegaard, Ole Thybo Thomsen
Published in: Sandwich Structures 7: Advancing with Sandwich Structures and Materials
Publisher: Springer Netherlands
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Local effects occurring near junctions between different cores in sandwich structures are considered. Two groups of sandwich beams with conventional butt and reinforced butt core junctions, respectively, were examined experimentally in three-point bending under static and fatigue loadings. A rigorous statistical treatment of the obtained data has shown unambiguously that sandwich beams with modified, that is reinforced, butt junctions display superior structural performance compared with sandwich beams with the traditional core junctions.