Revealing the microstructural evolution and its influence on mechanical properties of heterostructured steel fabricated by laser melting deposition

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成果类型：

期刊论文

作者：

Liu, Hao;Wu, Wenxing;Yang, Tong;Qiu, Changjun;Chen, Pinghu

通讯作者：

Chen, PH

作者机构：

[Liu, Hao; Qiu, Changjun] Univ South China, Sch Resource Environm & Safety Engn, Hengyang 421001, Peoples R China.

[Wu, Wenxing; Qiu, Changjun] Univ South China, Sch Nucl Sci & Technol, Hengyang 421001, Peoples R China.

[Yang, Tong; Qiu, Changjun] Univ South China, Coll Mech Engn, Hengyang 421001, Peoples R China.

[Chen, Pinghu] Shenzhen Univ, Coll Mechatron & Control Engn, Shenzhen 518060, Peoples R China.

[Chen, PH] Shenzhen Univ, Coll Mechatron & Control Engn, Shenzhen 518060, Peoples R China.

通讯机构：

[Chen, PH ]

Shenzhen Univ, Coll Mechatron & Control Engn, Shenzhen 518060, Peoples R China.

语种：

英文

关键词：

3D printing;Deposition;Economic and social effects;Elongation;Maraging steel;Melting;Microstructural evolution;Strengthening (metal);Tensile strength;Thermal stress;% reductions;Ageing treatments;Heterostructured material;Laser melting deposition;Nanoscale intermetallic compounds;Second phase strengthening;Solution-aging;Strengthening mechanisms;Ultimate tensile strength;Variable ratio;Powders

期刊：

Journal of Materials Research and Technology

ISSN：

2238-7854

年：

2023

卷：

页码：

4935-4944

DOI：

10.1016/j.jmrt.2023.04.126

基金类别：

This work is funded by Open Research Fund of State Key Laboratory of High Performance Complex Manufacturing , Central South University (Grant No. Kfkt2020-01 ), Hunan Provincial Natural Science Foundation of China (Grants No. 2021JJ40774 ) and the Project of State Key Laboratory of High Performance Complex Manufacturing , Central South University (Grant No. ZZYJKT2021-01 ).

机构署名：

本校为第一机构

院系归属：

机械工程学院

核科学技术学院

摘要：

A series of heterostructured materials with variable ratio of 316 powders in 18Ni300 powders were prepared by laser melting deposition (LMD). The microstructural evolution and its influence on tensile features were explored before/after aging treatment or solution-aging treatment. The results indicated that the fraction of γ phase was increased gradually with increasing 316SS, and dislocation caused by the deformation could be migrated and annihilated within the region of γ phase, second phase strengthening could contribute to excellent elong...

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Revealing the microstructural evolution and its influence on mechanical properties of heterostructured steel fabricated by laser melting deposition

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