Researchers from the UK and Italy have developed new insights into the failure mechanisms of 3D-printed materials, focusing on polyetherimide (PEI) lattices. Their study introduces an “enhancement factor” to predict and minimize structural defects, leading to stronger, lighter plastics. They used stress tests and computer modeling to identify weaknesses like “interlayer damage” in higher-density lattices. These findings can help improve 3D printing guidelines, potentially benefiting industries such as automotive safety and aerospace by creating more resilient and efficient materials.
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