Precipitation strengthening AlCrFeNiV system high entropy alloy and manufacturing method thereof

US11390938B2 · kind B2 · utility

Assignee

• Beijing Institute of Technology · CN

Inventors

• Yunfei Xue · Beijing, CN
• Linjing Wang · 葛石镇, CN
• Benpeng Wang · Beijing, CN
• Qian Xiao · Tianjin, CN
• Lilun Geng · Beijing, CN
• Lu Wang · Beijing, CN
• Fuchi Wang · Beijing, CN

Key dates

• Filing date: May 10, 2019
• Grant date: Jul 19, 2022
• Expiry date: Aug 10, 2039

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C22F1/02
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

A precipitation strengthening AlCrFeNiV system high entropy alloy is composed of Al 0.30-0.60, Cr 0.20-0.89, Fe 0.60-1.20, Ni 1.50-3.50 and V 0.10-0.30 by weight ratio. The high entropy alloy is manufactured utilizing melting and casting, followed by deformation and heat treatment process.