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      Modelling and Simulation of Hydrogen Diffusion in High Stren.pdf

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      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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