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：

Heterostructured materials;Laser melting deposition;Microstructural evolution;Strengthening mechanism;Mechanical properties

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：

Open Research Fund of State Key Laboratory of High Performance Complex Manufacturing, Central South University [Kfkt2020-01]; Hunan Provincial Natural Science Foundation of China [2021JJ40774]; Project of State Key Laboratory of High Performance Complex Manufacturing, Central South Univer- sity [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 g phase was increased gradually with increasing 316SS, and dislocation caused by the deformation could be migrated and annihilated within the region of g phase, second phase strengthening could contribute to excellent elongation for 18Ni300 maraging steel. The elongation of ...

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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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