中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Effect of pinless friction stir processing on microstructure and properties of surface modification layer of 2024 aluminum alloy

文献类型:期刊论文

作者Zhang, Hao2,3,4; Liu, Xiangju1,2,3; Wang, Youqiang4; Duan, Jizhou1,2,3,4
刊名SURFACE TOPOGRAPHY-METROLOGY AND PROPERTIES
出版日期2024-12-01
卷号12期号:4页码:14
关键词friction stir processing pin-less stirring pins surface modification mechanical properties corrosion resistance
ISSN号2051-672X
DOI10.1088/2051-672X/ad6b3b
通讯作者Duan, Jizhou(duanjz@qdio.ac.cn)
英文摘要Friction stir processing (FSP) is an advanced material surface modification technology that is both green and energy-efficient. This technology plays a crucial role in regulating the surface microstructure of alloys and improving alloys' surface properties. It reaches this through the synergistic effect of non-equilibrium thermodynamic and surface mechanical deformation. In this work, the surface modification of an aluminum alloy was performed using pin-less FSP. Then, the modified surface was analyzed using stress-strain curves, optical microscopy (OM), x-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and electrochemical tests to investigate the impact of spindle velocity on the properties of the modified layer. Results of the study show that after undergoing pinless FSP modification treatment, the surface of the alloy appears bright and flat. The modified layer displays refined grains and numerous dispersed second-phase particles. Furthermore, the grains in the modified layer exhibit a gradient distribution from the surface to the matrix. Regarding the properties, compared to the base material (BM), the yield strength (sigma 0.2) and tensile strength (sigma b ) of the alloy-modified layer were increased by 34.8% and 29.4%, respectively. The maximum elongation (delta) of the modified coating reached 22.3%. The modified layer exhibits a tough-brittle mixed fracture pattern. Additionally, the modified layer's corrosion resistance significantly improves. The performance of the modified coating shows the most significant improvement when the spindle speed reaches 1000 rpm.
WOS关键词MECHANICAL-PROPERTIES ; CORROSION ; BEHAVIOR
资助项目National Natural Science Foundation of China https://doi.org/10.13039/501100001809[72076044] ; National Natural Science Foundation of China
WOS研究方向Engineering ; Instruments & Instrumentation ; Materials Science
语种英语
WOS记录号WOS:001352308100001
出版者IOP Publishing Ltd
源URL[http://ir.qdio.ac.cn/handle/337002/199459]  
专题海洋研究所_海洋腐蚀与防护研究发展中心
通讯作者Duan, Jizhou
作者单位1.Chinese Acad Sci, Ctr Ocean Mega Sci, Qingdao 266071, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Open Studio Marine Corros & Protect, Qingdao 266237, Peoples R China
3.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, Qingdao 266071, Peoples R China
4.Qingdao Univ Technol, Sch Mech & Automot Engn, Qingdao 266520, Peoples R China
推荐引用方式
GB/T 7714
Zhang, Hao,Liu, Xiangju,Wang, Youqiang,et al. Effect of pinless friction stir processing on microstructure and properties of surface modification layer of 2024 aluminum alloy[J]. SURFACE TOPOGRAPHY-METROLOGY AND PROPERTIES,2024,12(4):14.
APA Zhang, Hao,Liu, Xiangju,Wang, Youqiang,&Duan, Jizhou.(2024).Effect of pinless friction stir processing on microstructure and properties of surface modification layer of 2024 aluminum alloy.SURFACE TOPOGRAPHY-METROLOGY AND PROPERTIES,12(4),14.
MLA Zhang, Hao,et al."Effect of pinless friction stir processing on microstructure and properties of surface modification layer of 2024 aluminum alloy".SURFACE TOPOGRAPHY-METROLOGY AND PROPERTIES 12.4(2024):14.

入库方式: OAI收割

来源:海洋研究所

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