Microstructure and Mechanical Properties of an Ultrahigh-strength Titanium Alloy Ti-4.5Al-5Mo-5V-6Cr-1Nb Prepared Using Laser Directed Energy Deposition and Forging: A Comparative Study

Junwei Yang,Haibo Tang, Peiyuan Wei,Hongwei Gao,Jiawei Wang, Haixin Huo,Yanyan Zhu

Chinese journal of mechanical engineering Additive manufacturing frontiers（2023）

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摘要

•An ultra-high strength titanium alloy was prepared with LDED and forging;•Segregation elimination of alloying elements was quantitatively characterized;•Microstructure evolution during thermal cycle of LDEDed alloy was analysized;•Microstructure and tensile properties of LDEDed and wrought alloys were compared.

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关键词

Ultrahigh-strength titanium alloy,Laser directed energy deposition,TB18,Microstructure,Tensile properties,Heat treatment

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