Investigation of mechanical performances of composite bolted joints with local reinforcements
Source abstract
Abstract
Abstract Four different local reinforcement schemes used in composite bolted joints were studied. In numerical study, a set of 3-D failure criteria was used and the progressive failure analysis was implemented via user-defined subroutine vectorized user-material (VUMAT), which was programmed by the commercial finite element (FE) software ABAQUS. In the experiment, test specimens were manufactured with different local reinforcement schemes, and the mechanical performances of these specimens were tested under tensile loads. Failure modes of these specimens were observed and mechanical performances of test specimens with local reinforcement were studied. It was found that the numerical results agreed well with the experiment. It was also found that local reinforcement schemes influenced the mechanical performances of bolted joints obviously and that the tensile strength of composite bolted joints could be improved significantly by burying laminate slices.
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Research context
OpenAlex topics: Mechanical Behavior of Composites · Structural Load-Bearing Analysis · Structural Behavior of Reinforced Concrete
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Smart Structures and Composites Lab, Department of Aerospace , Harbin Engineering University , Haerbin Shi , China
Department of Mechanical Engineering , The Hong Kong Polytechnic University , Hung Hom , Hong Kong
Hubei Aerospace Flight Vehicle Institute, China Aerospace Science & Industry Corp , Beijing , China
Funding
National Natural Science Foundation of China
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