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Effect of laser power on the microstructure and properties of additive manufactured 17-4 PH stainless steel in different fabrication atmosphere

文献类型：期刊论文

作者Wang, De1; Cheng, Donghai1; Zhou, Zhangyu1; Wang, Wenqin2; Hu, Bo1; Xie, Yujiang3; Xiong, Zhenyu1; Hu, Dean1
刊名MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
出版日期2022-04-06
卷号839页码:12
关键词Directed energy deposition 17-4 PH stainless Steel Precipitates Fabrication atmosphere Thermal accumulation
ISSN号0921-5093
DOI10.1016/j.msea.2022.142846
通讯作者Cheng, Donghai(70269@nchu.edu.cn) ; Wang, Wenqin(wangwenqin99@163.com)
英文摘要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.
资助项目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研究方向Science & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
语种英语
WOS记录号WOS:000761894800002
出版者ELSEVIER SCIENCE SA
资助机构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
源URL[http://ir.imr.ac.cn/handle/321006/173210]  
专题金属研究所_中国科学院金属研究所
通讯作者Cheng, Donghai; Wang, Wenqin
作者单位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
推荐引用方式
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.

入库方式： OAI收割

来源：金属研究所

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