Materialism: A Materials Science Podcast cover image

Materialism: A Materials Science Podcast

Episode 70: Nickel Superalloys at General Electric

Aug 17, 2023
Discover the evolution of nickel superalloys in aerospace, their strength mechanisms, and manufacturing processes for jet engine parts. Explore challenges in acquiring metallic materials and the role of materials innovation at General Electric.
01:16:37

Podcast summary created with Snipd AI

Quick takeaways

  • Nickel superalloys are crucial for high-temperature applications in aerospace engineering, enhancing engine efficiency.
  • Maintaining stability of properties in superalloys at high temperatures involves interaction with oxide scales and use of coatings.

Deep dives

Importance of Super Alloys in Aerospace Engineering

Super alloys have been vital to aerospace engineering, especially for high-temperature applications in jet engines. General Electric's history with super alloys dates back to the early 20th century, with a focus on high-temperature metals to enhance engine efficiency. The Brayton cycle's thermal efficiency emphasizes the need for high-temperature metals like super alloys, enabling optimal energy extraction from fuel.

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