04
Alloy
Metal that works above its own melting point.
Three processes, one material. Each entry below names what the work actually requires — the place it has to happen, the tool it needs, or the property of the material that decides the outcome.

Lead entry
Single-crystal blades
Turbine blades grown as one crystal run in gas hotter than the alloy's own melting point, surviving because they are film-cooled through laser-drilled holes.
In this section
Section 04- 01
Single-crystal blades
Turbine blades grown as one crystal run in gas hotter than the alloy's own melting point, surviving because they are film-cooled through laser-drilled holes.
Long read - 02
Investment casting
A wax pattern, a ceramic shell, and a mould that is destroyed to release one part.
Standard entry - 03
Why holes, not thickness
A film of cooler air over the surface does more than more metal would.
Short entry