At present, metal 3D printing occupies a considerable part of the 3D printing industry. High-temperature alloy (also known as super alloy) is a common metal 3D printing material. Long-term work at high temperatures (above 600℃) can bear a certain stress while also resisting corrosion and antioxidant effects. The super alloy mainly includes three types: nickel, cobalt, and iron-based. Nickel super alloy (nickel-based substrates, generally greater than 50%) occupies the vast majority. As shown in Fig. 1, the researchers used IN718 nickel super alloy material to produce an upgraded fuel injector through 3D printing technology. https://www.3dmicroflu.com...