The video dives into how jet engines actually work—tracking airflow through massive compressors, burners, and turbines—and even takes you inside Rolls-Royce’s precision casting facility to see the history of the first jet engines and the modern machinery that builds them. Along the way you’ll get a crash course on crystal structures, edge dislocations and why turbine blades are so huge.
At the heart of the “how don’t they melt?” mystery are nickel-based superalloys with a γ′ strengthening phase, single-crystal casting techniques, internal cooling channels and ceramic thermal-barrier coatings. These clever material tricks keep blades rock-solid at temperatures well above the melting point of the metal itself.
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