Researchers Develop AI-Driven Material Design Workflow

A team of researchers in the United States have published a paper detailing how they have employed artificial intelligence (AI) to redefine material and product design. By integrating AI with 3D printing, they devised a method to produce materials with customizable mechanical attributes.

Spearheaded by Xiaoyu “Rayne” Zheng, an Associate Professor of Materials Science and Engineering at Virginia Tech, the team developed a technique that merges machine learning with 3D printing, resulting in materials exhibiting precise mechanical behaviors.

Researchers Develop AI-Driven Material Design Workflow
AI workflow for developing AM materials. (Image Credit: University of California Berkeley)

Historically, materials were designed relying on stress-strain curves, essential for gauging a material’s resistance to stress and impact. However, traditional designs occasionally misrepresent the desired properties due to manufacturing inaccuracies. Zheng’s team introduced a machine learning method wherein a user inputs the desired mechanical behavior, which is then swiftly transformed into a 3D printable design. This rapid design process mirrors the exact mechanical behavior stipulated by the user.

They engineered a machine learning framework that integrates inverse prediction and forward validation modules. The team utilized cubic symmetric, strut-based cells to educate their AI model. One significant achievement was crafting a shoe midsole optimized for runners, illustrating the vast potential of AI-guided material design.

The approach’s implications extend to areas such as protective gear, soundproofing, and even complex optical film coatings. AI and 3D printing synergy could redefine material design, offering unparalleled customization and accuracy.

You can read the research paper titled “Rapid inverse design of metamaterials based on prescribed mechanical behavior through machine learning” in Nature Communications, at this link.

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منبع: https://3dprinting.com/news/researchers-develop-ai-driven-material-design-workflow/

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