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This study examines the impact of different hatching strategiesHatching strategy on the mechanical and technological properties, as well as the manufacturing-induced residual stressesResidual stress of additively manufactured AlSi10MgAlSi10Mg components produced using Laser Powder Bed FusionLaser Powder Bed Fusion (LPBF). For the sample production, parallel and orthogonal hatching patterns were employed at various rotation angles, leading to differences in the mechanical propertiesMechanical properties of the components. The parallel structure exhibits significantly higher compressive residual stressesResidual stress in the near-surface areas of the component, up to 33% greater than those observed in the orthogonal structure. These compressive residual stressesResidual stress could counteract operational tensile stresses, potentially enhancing the load-bearing capacity of the component. The findings of this study provide insights into the targeted use of hatching strategiesHatching strategy to optimize the mechanical propertiesMechanical properties and lifespan of components. Future works should focus on experimentally validating the simulationSimulation results using the core hole method to further improve the correlation between numerical models and actual stress distributions.

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Impact of Hatching Strategy on Mechanical Properties and Residual Stresses in Additively Manufactured AlSi10Mg Components

  • 会议论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年

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  • Sebastian Gersch,
  • Carsten Schulz,
  • Jörg Bagdahn

摘要

This study examines the impact of different hatching strategiesHatching strategy on the mechanical and technological properties, as well as the manufacturing-induced residual stressesResidual stress of additively manufactured AlSi10MgAlSi10Mg components produced using Laser Powder Bed FusionLaser Powder Bed Fusion (LPBF). For the sample production, parallel and orthogonal hatching patterns were employed at various rotation angles, leading to differences in the mechanical propertiesMechanical properties of the components. The parallel structure exhibits significantly higher compressive residual stressesResidual stress in the near-surface areas of the component, up to 33% greater than those observed in the orthogonal structure. These compressive residual stressesResidual stress could counteract operational tensile stresses, potentially enhancing the load-bearing capacity of the component. The findings of this study provide insights into the targeted use of hatching strategiesHatching strategy to optimize the mechanical propertiesMechanical properties and lifespan of components. Future works should focus on experimentally validating the simulationSimulation results using the core hole method to further improve the correlation between numerical models and actual stress distributions.