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A strategy for modeling microstructure in macroscopic simulations of welded material

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Abstract

With the increased precision in laser-welded structures, smaller and thinner parts can be joined. This magnifies the effect that microstructural changes due to the welding process have on the mechanical properties of the material. Although conventional welding processes are generally applied to work pieces of larger dimensions, the higher heat inputs and longer duration of the thermal cycle can have drastic effects on the microstructure. Multiscaled models can provide a method to achieve microscopic detail in a macroscopic simulation. The dual-mesh principle proposed here places microstructure domains at the nodes of a macroscopic finite-element (FE) calculation.

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Authors and Affiliations

  1. The Netherlands Institute for Metals Research (NIMR), 2628 AL, Delft, The Netherlands

    R. G. Thiessen Ph.D. Researcher

  2. Joining Technology, Technical University of Delft, 2628 AL, Delft, The Netherlands

    I. M. Richardson (Professor)

Authors
  1. R. G. Thiessen Ph.D. Researcher
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  2. I. M. Richardson
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Thiessen, R.G., Richardson, I.M. A strategy for modeling microstructure in macroscopic simulations of welded material. Metall Mater Trans B 37, 293–299 (2006). https://doi.org/10.1007/BF02693158

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  • DOI: https://doi.org/10.1007/BF02693158

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