The Role of Ammonium Chloride in the Powder Thermal Diffusion Alloying Process on a Magnesium Alloy
Lu, Dongzhu1,2,3; Jiang, Quantong1,2,3; Zheng, Meng1,2,3; Zhang, Jie1,2,3; Huang, Yanliang1,2,3; Hou, Baorong1,2,3
2019-04-01
发表期刊COATINGS
ISSN2079-6412
卷号9期号:4页码:10
通讯作者Lu, Dongzhu(ldz@qdio.ac.cn)
摘要The powder thermal diffusion alloying method could be utilized to fabricate Al-rich intermetallic coatings on magnesium alloys in the air. While the role of ammonium chloride powder in the diffusion alloying source is still to be investigated. This research took the AZ91D magnesium alloy as the substrate. Diffusion sources with various powders were utilized as the diffusion source. Microstructure observation and phase identification were enrolled to investigate the role of the ammonium chloride powder in the diffusion alloying process. Results indicate that HCl gas could turn some solid Al powder into gaseous AlCl3 to enhance the transport of active Al atoms, moreover, it reacts with the dense MgO film and converts it to a loose one, which enables the AlCl3 gas to penetrate MgO and arrive the matrix to form a protective coating. Furthermore, the ammonium chloride content should be confined to 10 wt. % of the diffusion alloying source. Too much ammonium chloride powder would result in a worse intermetallic coating.
关键词magnesium alloy ammonium chloride diffusion coating powder
DOI10.3390/coatings9040252
收录类别SCI
语种英语
资助项目Applied Research Program of Qingdao[17-1-1-22-jch] ; Key Research & Development Program of Shandong Province[2018GSF117039] ; Applied Research Program of Qingdao[17-1-1-22-jch] ; Key Research & Development Program of Shandong Province[2018GSF117039]
WOS研究方向Materials Science
WOS类目Materials Science, Coatings & Films
WOS记录号WOS:000467318800039
出版者MDPI
引用统计
被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/161341
专题海洋环境腐蚀与生物污损重点实验室
通讯作者Lu, Dongzhu
作者单位1.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Marine Environm Corros & Biofouling, Qingdao 266071, Shandong, Peoples R China
2.Pilot Natl Lab Marine Sci & Technol Qingdao, Open Studio Marine Corros & Protect, Qingdao 266237, Shandong, Peoples R China
3.Chinese Acad Sci, Ctr Ocean Mega Sci, Qingdao 266071, Shandong, Peoples R China
第一作者单位中国科学院海洋研究所
通讯作者单位中国科学院海洋研究所
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GB/T 7714
Lu, Dongzhu,Jiang, Quantong,Zheng, Meng,et al. The Role of Ammonium Chloride in the Powder Thermal Diffusion Alloying Process on a Magnesium Alloy[J]. COATINGS,2019,9(4):10.
APA Lu, Dongzhu,Jiang, Quantong,Zheng, Meng,Zhang, Jie,Huang, Yanliang,&Hou, Baorong.(2019).The Role of Ammonium Chloride in the Powder Thermal Diffusion Alloying Process on a Magnesium Alloy.COATINGS,9(4),10.
MLA Lu, Dongzhu,et al."The Role of Ammonium Chloride in the Powder Thermal Diffusion Alloying Process on a Magnesium Alloy".COATINGS 9.4(2019):10.
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