Brazed joints are widely used in the plate fin structures, and it is very important to ensure the strength under dynamic pressure. This paper investigated the dynamic fracture mechanism of 316L brazed joints using experimental and finite element method. Results show that the yield strength, tensile strength and elongation of the brazed joint are closely related with the strain rate. Using the finite element method, the strain rate sensitive model (Johnson-Cook) is built, and the brazed joint shows a multi-axial fracture mode. Meanwhile, the brazed residual stress and filler metal thickness affect the dynamic fracture behavior of the brazed joint.
Dynamic Fracture Behavior of 316L Brazed Joint: Study With Experimental and Finite Element Methods
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Zhang, W, Jiang, W, Yang, B, Song, M, & Zhai, X. "Dynamic Fracture Behavior of 316L Brazed Joint: Study With Experimental and Finite Element Methods." Proceedings of the ASME 2018 Pressure Vessels and Piping Conference. Volume 3A: Design and Analysis. Prague, Czech Republic. July 15–20, 2018. V03AT03A023. ASME. https://doi.org/10.1115/PVP2018-84133
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