---
title: ""...additive manufacturing is not without its own challenges.…"
date: 2020-11-12
source: facebook
type: Archer T. Ships shared a link.
---

# "...additive manufacturing is not without its own challenges.…

*November 12, 2020 · Facebook*

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[https://phys.org/news/2020-11-d-biomedical-supersonic.html](https://phys.org/news/2020-11-d-biomedical-supersonic.html){target="_blank"}
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\"\...additive manufacturing is not without its own challenges. Foremost among them: Metallic materials need to be heated at high temperatures that exceed their melting point, which can cause residual stress buildup, distortion and unwanted phase transformations.\
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To eliminate these issues, Moridi and collaborators developed a method using a nozzle of compressed gas to fire titanium alloy particles at a substrate.\
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\"It\'s like painting, but things build up a lot more in 3-D,\" Moridi said.\"\
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[https://phys.org/news/2020-11-d-biomedical-supersonic.html](https://phys.org/news/2020-11-d-biomedical-supersonic.html){target="_blank"}
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