Enhancing Properties of 3D Printed Polymers: A Review of Recent Post Processing Methods
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Keywords:
Additive Manufacturing, 3D Printed Polymers, Post-Processing Techniques, Mechanical Enhancement, Surface Finish ImprovementAbstract
With the introduction of additive manufacturing, traditional manufacturing processes have
been reinterpreted, with 3D printing emerging as a transformational technology across multiple industries.
Specifically, the utilization of polymers in 3D printing has surged due to their versatility, cost
effectiveness, and ease of processing. However, while 3D printing enables unparalleled design
complexity, some properties of printed polymer parts often necessitate further refinement to meet high
performance standards. Post-processing techniques have grown in popularity as a result of challenges
such as restricted mechanical strength, surface roughness, and material-specific restrictions. This
comprehensive review explores recent advancements in post-processing methodologies applied to 3D
printed polymer parts, aiming to enhance their mechanical, thermal, and aesthetic properties. The paper
delves into an extensive analysis of various techniques, categorizing them into mechanical enhancements,
surface finish improvements, and functional enhancements. Techniques such as annealing or heat
treatment have been investigated for their capacity to improve mechanical integrity, while sanding,
polishing, and chemical treatments have been employed to refine surface finishes. Coatings, including
priming, painting, and specialized nano-coatings, have demonstrated their efficacy in augmenting both
functional and aesthetic attributes. Understanding and applying these techniques is critical not just for
achieving current performance requirements, but also for realizing the full potential of additive
manufacturing across a wide range of industries. This investigation highlights the significance of post
processing techniques in expanding the capabilities and applications of 3D-printed polymer parts.
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