Metal 3D printing is growing at an exponential rate for applications in medical, dental, automotive, aerospace and defense industries. Bespoke components with intricate designs and unique material properties can be made with ease for a wide variety of applications by printing. The global metal 3D printing market is projected to reach ~$6 billion by 2027 as demand for these applications continue to grow. Although metal 3D printing enables many new applications, the technology still suffers from poor feedstock powder flowability, waste metal powder byproduct oxidized during the printing process, inclusions in the bulk printed material and hot tearing of the final product. Atomic layer deposition (ALD) on metal powder feedstock materials for 3D printing provides a variety of improvement. Powder ALD improves flowability, moisture/oxidation resistance, sintering interfaces and reduces inclusions.

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