视频：极端应用中的添加剂制造

该视频显示NASA通过选择性激光熔化，添加剂的火箭发动机燃料喷射器的测试制造过程。该试验中的一部分在近6000°F的近6000°F的压力下用1,400磅的压力，并进行“完美无瑕," according to NASA. Because of additive manufacturing’s freedom to produce complex geometries, the injector was made in just two pieces, where a previous injector design was an assembly consisting of 115 pieces. The additively produced injector in this test was made by Directed Manufacturing, a Texas additive manufacturing specialist we’ve写的。