History of metal 3D printing and scientific analysis of metallurgical processing

Compared to big data, VR, and artificial intelligence, 3D printing today is actually not a very new technology. This technology has gone through more than 30 years of history.

So how much is there in metal 3D printing? What are the differences between different metal 3D printing technologies in the field of printing materials and metallurgy?

Image source: spacex

One of the earliest 3D printing technologies related to metal additive manufacturing was SLS-selective laser sintering technology, which was used to sinter plastic powders. In 1990, Manriquez-Frayre and Bourell realized the application of printing metal products through SLS technology.

Picture: Selective laser melting technology

Today, when we mention metal 3D printing, it usually refers to SLM-selective laser melting technology, and SLS technology is more used to sinter other materials than metal.

Editor in charge: Liu Qingqing

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