Reinventing Metal 3D printing with new Direct Writing process | QPT
Автор: Rajamanickam Antonimuthu
Загружено: 2017-04-02
Просмотров: 887
Описание:
Metal 3D printing has enormous potential to revolutionize modern manufacturing. However, the most popular metal printing processes, which use lasers to fuse together fine metal powder, have their limitations. Parts produced using selective laser melting (SLM) and other powder-based metal techniques often end up with gaps or defects caused by a variety of factors.
To overcome the drawbacks of SLM, Lawrence Livermore National Laboratory researchers, along with collaborators at Worchester Polytechnic Institute, are taking a wholly new approach to metal 3D printing with a process they call direct metal writing, in which semisolid metal is directly extruded from a nozzle. The metal is engineered to be a shear thinning material, which means it acts like a solid when standing still, but flows like a liquid when a force is applied.
Photos by Kate Hunts/LLNL
News Source: https://www.llnl.gov/news/lawrence-li...
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