Researchers at Tohoku University have made a breakthrough in multi-material 3D printing, enabling the creation of lightweight yet durable automobile parts. This advancement utilizes laser powder bed fusion to combine materials like steel and aluminum, overcoming the challenge of brittle intermetallic compounds often formed at dissimilar metal interfaces. The result is a stronger, lighter car part with enhanced performance.
A future where lightweight car parts can be made with a 3D printer is here, thanks to multi-material additive manufacturing research.
The process of metal 3D printing involves building objects by depositing metals layer by layer, using heat to bind them together. The precision of 3D printing allows for the production of unique, highly customizable shapes that often create less wasteful byproducts than traditional manufacturing methods."Multi-material structures" which strategically combine different materials for optimal performance of a component can also be created via 3D printing.
"In other words, you can't just slap two metals together and expect them to stick without a plan," says Specially Appointed Assistant Professor Seungkyun Yim ,"We had to fully understand the in-situ alloying mechanism first." Engineers have found a way to simultaneously mitigate three types of defects in parts produced using a prominent additive manufacturing technique called laser powder bed ...
3D Printing Additive Manufacturing Lightweight Materials Automotive Industry Metallurgy
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