Dual Inverse-Gradient Tungsten Wire

6.92 GPa tensile, ductile

Dual radial gradients in grain size and nanoprecipitates transfer strain localization from surface to bulk, simultaneously improving strength and ductility in brittle tungsten.

Yu, Zhang · Li, Miao · Xie, Fang · Gong, Xiaobo · Huang, Xiaoxiao · Cui, Xiping · Zhang, Tao · Liu, Y. J.

Journal of Materials Science and Technology 2026

Specifications

较等轴纳米晶钨丝强度提升

{'zh': '20', 'en': ''} %

较等轴纳米晶钨丝延伸率提升

{'zh': '75', 'en': ''} %

Advantages

6.92 GPa tensile strength

4.2% fracture elongation