Iron-based metal powder for ultra-high-speed laser cladding, its preparation method and its application

US11932927B2 · kind B2 · utility

Assignee

• CHINA MACHINERY INSTITUTE OF ADVANCED MATERIALS (ZHENGZHOU) CO., LTD. · CN

Inventors

• Miaohui Wang · Beijing, CN
• Xueyuan Ge · Beijing, CN
• Borui Du · Beijing, CN
• Bowen Shen · Beijing, CN
• Yifei Xu · Houston, US
• Ning XIAO · Chongqing, CN
• Sheng Hao · Beijing, CN

Key dates

• Filing date: Dec 28, 2020
• Grant date: Mar 19, 2024
• Expiry date: Dec 4, 2041

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B22F2304/10
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

An iron-based metal powder for ultra-high-speed laser cladding comprising chemical composition and mass percentage of the metal powder of: C 0.6˜1.0%, Cr 17.0˜20.0%, Ni 5.0˜6.5%, Mn 2.0˜4.0%, Mo 1.0˜1.5%, Ti 4.0˜6.0%, B 1.0˜1.5%, N 0.08˜0.15%, Si≤0.5%, P≤0.030%, S≤0.030%, balance of Fe and unavoidable impurities, wherein the particle size of the metal powder is 15˜65 μm, the fluidity is 16˜20 s/50 g.