Scientists develop space-age metal that doesn't expand when heated

Science and TechnologyScience and Technology

Wed, February 5, 2025

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Scientists develop space-age metal that doesn't expand when heated

^{Published on 2025-02-04 13:42:25 - MSN}

The Eiffel Tower grows taller in summer due to thermal expansion. While this effect is common in most metals, it poses challenges in precision engineering. Certain applications demand materials that maintain a stable size regardless of temperature.

Scientists have developed a groundbreaking metal alloy that defies traditional thermal expansion, maintaining its size when heated. This innovative material, composed of a high-entropy alloy (HEA) made from elements like cobalt, chromium, iron, nickel, and manganese, was discovered through a combination of machine learning and experimental testing. Unlike most metals that expand when heated, this alloy's unique atomic structure allows it to resist expansion, a property known as zero thermal expansion. This discovery could revolutionize industries requiring materials that maintain dimensional stability under temperature changes, such as aerospace, electronics, and precision engineering. The research, led by teams from Sandia National Laboratories and Texas A&M University, utilized AI to predict and then confirm the alloy's properties, highlighting a significant advancement in material science.

Read the Full MSN Article at:
[ https://www.msn.com/en-us/science/chemistry/scientists-develop-space-age-metal-that-doesn-t-expand-when-heated/ar-AA1ype7Y ]

N@N

Scientists develop space-age metal that doesn't expand when heated