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<p>This study addresses the impact of loaded annealing in contrast to typical annealing on the tensile strength, ductility, and dimensional stability of fused deposition modeling (FDM)-produced parts. In loaded annealing, specimens are annealed while being pressed via additional weight. Acrylonitrile butadiene styrene (ABS) FDM test samples have undergone typical and loaded annealing both at three different annealing temperatures. Results show that treatment of the amorphous ABS material at temperatures less than the glass transition point increases tensile strength by 7.6%, whereas annealing it at higher temperatures improves ductility by 9.7% and 17.56%. Scanning electron microscope (SEM) images reveal that the increase of annealing temperature improves cohesion between specimen roads and layers. Moreover, dimensional changes in specimen thickness are reduced by 86% due to the usage of a newly introduced annealing mold. It could be concluded that the technique of loaded annealing introduces exceptional enhancement to the mechanical properties of FDM parts.</p>

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Effect of annealing on FDM-manufactured ABS parts

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年5月13日

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  • Heba Hussam,
  • MEmad S. Soliman,
  • Ibrahim M. Hassab-Allah,
  • Yasser Abdelrhman

摘要

This study addresses the impact of loaded annealing in contrast to typical annealing on the tensile strength, ductility, and dimensional stability of fused deposition modeling (FDM)-produced parts. In loaded annealing, specimens are annealed while being pressed via additional weight. Acrylonitrile butadiene styrene (ABS) FDM test samples have undergone typical and loaded annealing both at three different annealing temperatures. Results show that treatment of the amorphous ABS material at temperatures less than the glass transition point increases tensile strength by 7.6%, whereas annealing it at higher temperatures improves ductility by 9.7% and 17.56%. Scanning electron microscope (SEM) images reveal that the increase of annealing temperature improves cohesion between specimen roads and layers. Moreover, dimensional changes in specimen thickness are reduced by 86% due to the usage of a newly introduced annealing mold. It could be concluded that the technique of loaded annealing introduces exceptional enhancement to the mechanical properties of FDM parts.