Influence of Temperature on Interlayer Adhesion and Structural Integrity in Material Extrusion: A Comprehensive Review

Rayson Pang, Mun Kou Lai, Teo Hiu Hong, Tze Chuen Yap

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Abstract

Additive manufacturing technologies are being increasingly adopted in the manufacturing industries due to their capabilities in producing complex geometries without the need for special tools. Material extrusion (MEX-TRB/P) is a popular additive manufacturing technology due to its simple operation. However, optimization of various process parameters remains a challenge, as incorrect combinations can lead to reduced dimensional accuracy and incapacitated mechanical properties of the fabricated parts. Given that the MEX-TRB/P process relies on the heating and cooling of thermoplastic materials, understanding the role of temperature is critical to optimizing the MEX-TRB/P printed parts. This article reviews existing research on the effects of process parameters, specifically those that are temperature sensitive, on the mechanical properties of the printed parts. The review first classified the process parameters into temperature sensitive and non-temperature sensitive process parameters. Then, the influence of temperature on the bonding quality and material properties is investigated, and a relationship between the thermal conditions and mechanical properties of 3D printed parts is established. This review also summarizes experimental and numerical methods for investigating temperature evolution during printing. This study aims to provide a deep understanding of the optimization of temperature-sensitive process parameters and their role in enhancing the mechanical properties of MEX-TRB/P-printed parts.
Original languageEnglish
Article number196
JournalJournal of Manufacturing and Materials Processing
Volume9
Issue number6
Early online date11 Jun 2025
DOIs
Publication statusPublished - Jun 2025

Keywords

  • Fused Filament Fabrication
  • Fused Deposition Modelling
  • additive manufacturing
  • 3D printing
  • interlayer bonding
  • process parameters
  • nozzle temperature
  • mechanical properties
  • thermal effects

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