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          Modelling and Simulation of Hydrogen Diffusion in High Stren.pdf

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          2022-09-09
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          資料簡介:國外碩士論文,深度不夠
          This research is about modelling and simulation of how the hydrogen diffuses in
          high strength steels. The hydrogen diffusion in the material was examined by using
          finite element software with the help of material properties and some existing data.
          For modelling and simulating the diffusion analysis in finite element software, a
          cylindrical type dog-bone shaped specimen was chosen. To determine the diffusion
          at the centre of specimen, a cross-sectional area of the material was selected to
          proceed for the analysis. Abaqus software was considered as finite element software to
          progress the hydrogen diffusion and tensile testing of the specimen. Diffusion analysis
          was studied under the analogy of heat transfer and also, diffusion analysis with the
          addition of mechanical load was studied under the analogy of coupled temperature
          displacement in the Abaqus software. This process has executed for two types of
          high strength steels 316L and 304L stainless steels. The crack is also considered for
          analysis to check how it affects the specimen. Further, The 316L and 304L stainless
          steel results were compared to review that which steel is better to withstand the
          hydrogen diffusion rate and mechanical load on the material.
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