Jet engines work at a higher temperature that the melting point of Titanium Superalloy so how do they not melt?
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Mentioned here but wanted to reiterate, modern turbine blades are usually a single crystal. There are no crystal boundaries that could cause a fracture to propagate. Kinda mind blowing that we humans figured out how to do that and mass produce it. In CFM’s Leap engine they are ceramic.
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