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Additive manufacturing (AM) by fused deposition modeling (FDM) has become increasingly popular in the field of rapid prototyping in the last years. Initially, most printing was done with Acrylonitrile Butadiene Styrene (ABS) due to the characteristics of the extruders of the first printers and their ease of procurement. However, this material produces a strong odor and toxic emissions, which pose a health risk as they can be carcinogenic with prolonged exposure. With the increasing popularity of 3D printing, new materials such as Polyethylene terephthalate Glycol (PETG) have appeared on the market. However, the most popular material in the last few years has been a biopolymer called polylactic acid, also known as PLA. This material represents an inflexion point in the world of 3D printing, as it allows the manufacture of parts in an easier way: easier printing, affordable cost, good mechanical properties and greater sustainability and recyclability, as it is manufactured from environmentally friendly sources. PLA is currently widely utilized in the manufacture of parts using this technology and different variants have appeared on the market. In this article, a study and comparison of the mechanical properties of PLA material is carried out: PLA, PLA High Definition (PLA HD), PLA+, PLA 870 and PLA Tough. Likewise, their mechanical properties are compared with the main materials available in this field. This study consolidates that the different PLA materials are positioned as a suitable alternative to the use of more polluting and harmful to health materials.

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Comparative Study in Terms of Mechanical Properties of Different PLA with Respect to Other Materials Applied in Additive Manufacturing

  • 会议论文

  • 发表日期：

    2025年

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  • Clara Luna Martin,
  • Ramon Miralbes,
  • David Ranz,
  • Jose Antonio Gomez

摘要

Additive manufacturing (AM) by fused deposition modeling (FDM) has become increasingly popular in the field of rapid prototyping in the last years. Initially, most printing was done with Acrylonitrile Butadiene Styrene (ABS) due to the characteristics of the extruders of the first printers and their ease of procurement. However, this material produces a strong odor and toxic emissions, which pose a health risk as they can be carcinogenic with prolonged exposure. With the increasing popularity of 3D printing, new materials such as Polyethylene terephthalate Glycol (PETG) have appeared on the market. However, the most popular material in the last few years has been a biopolymer called polylactic acid, also known as PLA. This material represents an inflexion point in the world of 3D printing, as it allows the manufacture of parts in an easier way: easier printing, affordable cost, good mechanical properties and greater sustainability and recyclability, as it is manufactured from environmentally friendly sources. PLA is currently widely utilized in the manufacture of parts using this technology and different variants have appeared on the market. In this article, a study and comparison of the mechanical properties of PLA material is carried out: PLA, PLA High Definition (PLA HD), PLA+, PLA 870 and PLA Tough. Likewise, their mechanical properties are compared with the main materials available in this field. This study consolidates that the different PLA materials are positioned as a suitable alternative to the use of more polluting and harmful to health materials.