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Veritasium: Why Don’t Jet Engines Melt?

Why Don’t Jet Engines Melt? walks you through the basics of jet‐engine operation—air intake, compression, combustion and the turbine stage—and shows why these giants stay solid despite roaring flames. You’ll learn about the key materials science behind turbine blades: nickel‐based superalloys with a gamma prime phase, edge‐dislocation management, and single-crystal structures that resist creep and maintain strength at 1,500 °C.

Then it takes you inside Rolls-Royce’s precision-casting foundry, revealing how carefully controlled grain selection, ceramic coatings and clever internal air-cooling channels all team up to keep turbine blades from turning into molten goo—even when you’re chucking sand or baking at jet‐bridge temperatures.

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