It’s worth checking out the article on zirconium alloys: https://www.amazemet.com/metal-powders/non-ferrous-metals/zirconium-alloys/ They produce powders tailored to nuclear systems, with truly pure, spherical particles and a narrow size distribution. Furthermore, zirconium is ideal for this purpose due to its low neutron absorption coefficient and excellent thermal resistance, making it crucial for use in reactors.