3D Printing: Hype, Hysteria or

摘要

A few years ago 3D-printed parts seemed on the cusp of acceptance in commercial aero engines. Load-bearing parts seemed to be the next frontier. But such aspirations have proven somewhat overoptimistic, given the lack of mature standards, rules and infrastructure in this area. A couple of 3D-printed engine parts have been approved, but 3D printing at this point appears to be used mainly for making prototypes and plastic parts.