Simulations, High-Speed Videos Help Researchers See Crack Formation in 3-D-Printed Tungsten in Real Time


Photo by Sgt. Brendan Custer (Source: https://www.dvidshub.net/image/6287134/3d-printing-spmagtf-cr-cc)

Posted: September 01, 2020

Boasting the highest melting and boiling points of all known elements, tungsten has become a popular choice for applications involving extreme temperatures, including lightbulb filaments, arc welding, radiation shielding, and, more recently, as plasma-facing material in fusion reactors such as the ITER Tokamak.

However, tungsten’s inherent brittleness, and the microcracking that occurs while additively manufacturing (3-D printing) with the rare metal, has hampered its widespread adoption.


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