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China domestically produces high-purity C276 metal strips for the first time

By Wu Yong in Shenyang and Zhou Huiying | chinadaily.com.cn | Updated: 2025-11-03 16:19
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The one-kilometer-scale superconducting tape produced by the Institute of Metal Research, Chinese Academy of Sciences. [Photo provided to chinadaily.com.cn]

A team led by Rong Lijian, a researcher from the Institute of Metal Research, Chinese Academy of Sciences, has produced high-purity C276 metal strips for the first time in China.

C276 is a core material for second-generation high-temperature superconducting tapes. It is used in controllable nuclear fusion devices, also known as artificial suns.

The new metal strips demonstrate excellent mechanical strength and deformation capability, providing a solid foundation for producing superconducting tapes.

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