Materialism: A Materials Science Podcast
Episode 97: Titanium
Nov 18, 2024
Dive into the world of titanium, a remarkable material linked to both Mach-3 aircraft and hip replacements. Discover its fascinating historical journey, from 18th-century discovery to military aviation breakthroughs. The hosts discuss unexpected challenges in aerospace manufacturing, including the risks posed by cadmium-plated tools. Explore the complexities of titanium alloys, their diverse applications in industries like aerospace and medicine, and innovations like the Aerosynth machine that aim to overcome processing hurdles.
39:33
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Quick takeaways
- Titanium's unique combination of high strength, low weight, and exceptional corrosion resistance makes it invaluable in aerospace and biomedical fields.
- The historical development of titanium from its initial discovery in the 18th century to its prominent role in military and medical applications showcases its evolving significance.
Deep dives
The Unique Properties of Titanium
Titanium is notable for its high specific strength, offering impressive strength relative to its low density, making it exceptionally lightweight. Additionally, it boasts excellent corrosion resistance due to the formation of a passive oxide layer that protects it from environmental damage. Despite being the ninth most abundant element, titanium is rarely found in high concentrations, complicating its extraction and contributing to its high production costs. This unique combination of properties has led to its increasing importance in various industries, especially aerospace and biomedical applications.
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