{"id":56575,"date":"2025-05-15T08:46:42","date_gmt":"2025-05-15T12:46:42","guid":{"rendered":"https:\/\/www.rudebaguette.com\/?p=56575"},"modified":"2025-05-14T17:44:47","modified_gmt":"2025-05-14T21:44:47","slug":"next-level-3d-printing-this-new-method-minimizes-voids-inside-polymers-to-create-super-strong-failure-resistant-components","status":"publish","type":"post","link":"https:\/\/www.rudebaguette.com\/en\/2025\/05\/next-level-3d-printing-this-new-method-minimizes-voids-inside-polymers-to-create-super-strong-failure-resistant-components\/","title":{"rendered":"Next-Level 3D Printing: This New Method Minimizes Voids Inside Polymers to Create Super-Strong, Failure-Resistant Components"},"content":{"rendered":"
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IN A NUTSHELL<\/strong><\/td>\n<\/tr>\n
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  • \ud83d\ude80 Researchers at Oak Ridge National Laboratory developed a vacuum-assisted extrusion<\/strong> method to reduce porosity in large-scale 3D-printed polymer parts.<\/li>\n
  • \ud83d\udd2c This innovative technique cuts porosity by 75%<\/strong>, significantly enhancing the strength and reliability of the printed components.<\/li>\n
  • \ud83d\udd27 The method holds transformative potential for industries like aerospace, automotive,<\/strong> and defense<\/strong> by producing stronger and more consistent parts.<\/li>\n
  • \ud83c\udf1f The integration of this method into existing workflows could lead to more efficient and sustainable manufacturing practices.<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n

    In an era where technological advancements reshape industries, a new 3D printing method developed by researchers at Oak Ridge National Laboratory (ORNL) promises to revolutionize the field of additive manufacturing. This groundbreaking technique, which leverages vacuum-assisted extrusion, directly addresses the longstanding issue of internal porosity in large-scale 3D-printed polymer parts. By cutting porosity by an impressive 75%, this innovation marks a significant step forward in producing stronger and more reliable components, particularly in fields like aerospace, automotive, and defense. As we delve deeper into this innovation, we uncover the potential impacts and future applications of this transformative method.<\/p>\n

    Understanding Porosity Defects<\/h2>\n

    Porosity in 3D-printed materials has long been a challenge, limiting the potential of these otherwise promising materials. Vipin Kumar, PhD, a composites and fiber manufacturing expert at ORNL, sheds light on the nature of these defects. Porosity refers to the tiny voids or defects within the printed material, often arising from trapped gas or incomplete fusion during the printing process. These weak points can act like small chips in glass, spreading under stress and compromising the strength and durability of critical components.<\/p>\n

    To address this issue, researchers integrated a vacuum hopper<\/strong> directly into the extrusion process. This device removes air, moisture, and trapped gases from the materials, significantly reducing intrabead porosity. The results were striking\u2014porosity was reduced by up to 75%, even in parts with varying fiber content. In some cases, the internal void rate dropped below two percent, a significant advancement compared to traditional methods. This breakthrough could lead to more reliable 3D-printed components, enhancing their application in industries where strength and reliability are paramount.<\/p>\n

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