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This study examines the impact of cold acetone vapor treatment on the roughness of the surface, dimensional deviations, and tensile strength of ABS specimens produced using FDM technology. Although FDM is an accessible and widely used method, it presents limitations such as high surface roughness and weak interlayer cohesion. In this study, 35 specimens were printed and then treated with cold acetone vapors for periods ranging from 10 to 60 min. A maximum improvement in surface roughness of 77.63% was observed after 30 min of treatment, with the Ra roughness value decreasing from 4.9 μm to 1.02 μm. Regarding dimensional deviations, for the b dimension (width), the deviations increased from 0.006% (10 min) to a maximum of 0.75% (60 min), and for the h dimension (height), from 0.52% to 5.72%. Tensile strength gradually decreased with treatment duration, from 28.02 MPa (untreated) to 14.70 MPa (60 min), while elongation at break increased from 2.61% to 4.33%. Cold acetone vapor treatment induces a transition in the material’s behavior from rigidity to ductility, significantly affecting surface finish, dimensional stability, and the mechanical properties of FDM parts.

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Appraisal of Post-Processing Treatment of ABS Printed Parts by Acetone Vapors

  • 会议论文

  • 发表日期：

    2026年

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  • Raul R. Turiac,
  • Korka I Zoltan,
  • Mihail Magda,
  • Vasile Cojocaru,
  • Ovidiu L. Radu,
  • Klaus Mecking

摘要

This study examines the impact of cold acetone vapor treatment on the roughness of the surface, dimensional deviations, and tensile strength of ABS specimens produced using FDM technology. Although FDM is an accessible and widely used method, it presents limitations such as high surface roughness and weak interlayer cohesion. In this study, 35 specimens were printed and then treated with cold acetone vapors for periods ranging from 10 to 60 min. A maximum improvement in surface roughness of 77.63% was observed after 30 min of treatment, with the Ra roughness value decreasing from 4.9 μm to 1.02 μm. Regarding dimensional deviations, for the b dimension (width), the deviations increased from 0.006% (10 min) to a maximum of 0.75% (60 min), and for the h dimension (height), from 0.52% to 5.72%. Tensile strength gradually decreased with treatment duration, from 28.02 MPa (untreated) to 14.70 MPa (60 min), while elongation at break increased from 2.61% to 4.33%. Cold acetone vapor treatment induces a transition in the material’s behavior from rigidity to ductility, significantly affecting surface finish, dimensional stability, and the mechanical properties of FDM parts.