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Numerical and Experimental Investigation of Twin-Roll Casting of Aluminum–Lithium Strips

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Part of the The Minerals, Metals & Materials Series book series (MMMS)


The main disadvantage of Al–Li alloys is their anisotropic behavior and limited formability. As conventional processes reach their limits, the formability of Al–Li alloys is to be improved using twin-roll casting. Twin-roll casting is an efficient process for the production of thin strips. The characteristic of this process is the combination of solidification and plastic deformation in a single unit. In this study, the twin-roll casting of Al–Li alloy using copper shells was represented by a numerical simulation through a thermofluid model implemented in ANSYS-Fluent. This simulation-based study investigates the influence of casting speed, casting temperature, strip thickness, and length of strip-forming zone on strip outlet temperature and specific size of deformation zone, thus optimizing the practical manufacturing process. The simulation determined parameters were used to manufacture strips, and the microstructure was analyzed.


  • Twin-roll casting
  • Aluminum–lithium alloy
  • Numerical simulation
  • Process parameters
  • Thin strip
  • Microstructure

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The authors thank the German Research Foundation (DFG) for the financial support of the project SCHA 1484/46-1 and the Czech Science Foundation for funding grant number 20-19170S.

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Correspondence to Olexandr Grydin .

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Grydin, O. et al. (2023). Numerical and Experimental Investigation of Twin-Roll Casting of Aluminum–Lithium Strips. In: Broek, S. (eds) Light Metals 2023. TMS 2023. The Minerals, Metals & Materials Series. Springer, Cham.

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