| Effect of laser power on the microstructure and properties of additive manufactured 17-4 PH stainless steel in different fabrication atmosphere | |
| Wang, De1; Cheng, Donghai1; Zhou, Zhangyu1; Wang, Wenqin2; Hu, Bo1; Xie, Yujiang3; Xiong, Zhenyu1; Hu, Dean1 | |
| Corresponding Author | Cheng, Donghai(70269@nchu.edu.cn) ; Wang, Wenqin(wangwenqin99@163.com) |
| 2022-04-06 | |
| Source Publication | MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
 |
| ISSN | 0921-5093 |
| Volume | 839Pages:12 |
| Abstract | The effect of laser power (400, 600, 800 W) on the microstructure and properties, such as porosity, strength and microhardness, of directed energy deposition 17-4 PH stainless steel in different fabrication atmosphere (atmosphere air and atmosphere Ar) was investigated via the view of thermal process. With the increase of laser power, the porosity of the samples decreased, and the Ar atmosphere further enhanced the effect through a power exponent law. The submicron (similar to 0.5 um) amorphous SiO2 particles and the nanoscale (similar to 35 nm) Cu-rich precipitates dispersed in the matrix strengthened the samples, and the dimensions changed when different atmosphere and heat treatment were employed which in turn influenced the strength and microhardness. The mechanical properties were also affected by content of austenite and the release of oxygen, which were dominated by thermal process and heat treatment. |
| Keyword | Directed energy deposition 17-4 PH stainless Steel Precipitates Fabrication atmosphere Thermal accumulation |
| Funding Organization | National Natural Science Foundation of China ; Jiangxi Provincial Natural Science Foundation ; Major Discipline Academic and Technical Leaders Training Program of Jiangxi Province ; Key Research and Development Program of Jiangxi Province ; Thousand Talents Program of Jiangxi Province |
| DOI | 10.1016/j.msea.2022.142846 |
| Indexed By | SCI |
| Language | 英语 |
| Funding Project | National Natural Science Foundation of China[51901090] ; Jiangxi Provincial Natural Science Foundation[2020ACBL214003] ; Jiangxi Provincial Natural Science Foundation[20192ACB21020] ; Jiangxi Provincial Natural Science Foundation[20212BAB204053] ; Major Discipline Academic and Technical Leaders Training Program of Jiangxi Province[20204BCJ23003] ; Key Research and Development Program of Jiangxi Province[20202BBE52002] ; Thousand Talents Program of Jiangxi Province[jxsq2019201118] |
| WOS Research Area | Science & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering |
| WOS Subject | Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering |
| WOS ID | WOS:000761894800002 |
| Publisher | ELSEVIER SCIENCE SA |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.imr.ac.cn/handle/321006/173211 |
| Collection | 中国科学院金属研究所 |
| Corresponding Author | Cheng, Donghai; Wang, Wenqin |
| Affiliation | 1.Nanchang Hangkong Univ, Sch Aeronaut Mfg Engn, Nanchang 330063, Jiangxi, Peoples R China 2.Nanchang Univ, Sch Mech & Elect Engn, Nanchang 330031, Jiangxi, Peoples R China 3.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China |
| Recommended Citation GB/T 7714 | Wang, De,Cheng, Donghai,Zhou, Zhangyu,et al. Effect of laser power on the microstructure and properties of additive manufactured 17-4 PH stainless steel in different fabrication atmosphere[J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2022,839:12. |
| APA | Wang, De.,Cheng, Donghai.,Zhou, Zhangyu.,Wang, Wenqin.,Hu, Bo.,...&Hu, Dean.(2022).Effect of laser power on the microstructure and properties of additive manufactured 17-4 PH stainless steel in different fabrication atmosphere.MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,839,12. |
| MLA | Wang, De,et al."Effect of laser power on the microstructure and properties of additive manufactured 17-4 PH stainless steel in different fabrication atmosphere".MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 839(2022):12. |
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