Enhancement of mechanical properties of LDEDed IN738LC alloy by solid-solution strengthening coupled with precipitation-strengthening

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成果类型：

期刊论文

作者：

Yang, Tong;Wu, Wenxing;Zhao, Li;Chen, Pinghu;Liu, Hao;...

通讯作者：

Qiu, CJ

作者机构：

[Yang, Tong; Chen, Pinghu; Zhao, Li; Qiu, Changjun] Univ South China, Sch Mech Engn, Hengyang 421001, Peoples R China.

[Yang, Tong; Liu, Hao; Chen, Pinghu; Zhao, Li; Wu, Wenxing; Qiu, Changjun] Key Lab Hunan Prov Equipment Safety Serv Technol E, Hengyang 421001, Peoples R China.

通讯机构：

[Qiu, CJ ] U

Univ South China, Sch Mech Engn, Hengyang 421001, Peoples R China.

语种：

英文

关键词：

3D printing;Additives;Air navigation;Alloying elements;Cracks;Deposition;Ductility;Nickel;Nickel alloys;Precipitation (chemical);Solid solutions;Superalloys;Alloy designs;Cracking susceptibility;Directed energy;Energy depositions;Inconel;Laser directed energy deposition;New alloys;Nickel-based superalloys;Precipitation strengthening;Solid solution strengthening;Carbides

期刊：

Journal of Alloys and Compounds

ISSN：

0925-8388

年：

2024

卷：

982

页码：

173679

DOI：

10.1016/j.jallcom.2024.173679

基金类别：

This work was finally supported by the National Natural Science Foundation of China ( 52371032 ), National Defense Science and Technology Key Laboratory Fund Project ( JCKY61420052002 ), National Defense Science and Technology Advanced Research Fund Project ( 61400040204 ), and Hunan Province postgraduate research and innovation project ( CX20230956 ).

机构署名：

本校为第一且通讯机构

院系归属：

机械工程学院

摘要：

The high cracking susceptibility is the major obstacle to the wide application of high γ′-phase nickel-based superalloys in additive manufacturing. It is especially important to explore the effects of alloying elements during the nickel-based superalloys and establish a new alloy design criterion. In this work, a new nickel-based superalloys with crack-free and low porosity was fabricated by adjusting the content of solid-solution and precipitating elements of Inconel 738LC (IN738LC) alloy utilizing laser directed energy deposition (LDED) tec...

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Enhancement of mechanical properties of LDEDed IN738LC alloy by solid-solution strengthening coupled with precipitation-strengthening

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