IOCAS-IR  > 海洋环境腐蚀与与生物污损重点实验室
A Zinc-Rich Coating Fabricated on a Magnesium Alloy by Oxide Reduction
Lu, Dongzhu1,2,3; Huang, Yanliang1,2,3; Duan, Jizhou1,2,3; Hou, Baorong1,2,3
2019-04-01
Source PublicationCOATINGS
ISSN2079-6412
Volume9Issue:4Pages:8
Corresponding AuthorLu, Dongzhu(ldz@qdio.ac.cn)
AbstractThe corrosion resistance of magnesium alloys could be enhanced by covering metallic coatings on the surface. The zinc-rich coating is one of these metallic coatings. To fabricate a zinc-rich coating on magnesium alloys, the substrate should be pretreated carefully, and a protective atmosphere is usually required. In this research, a zinc-rich coating was successfully fabricated on the AZ91D magnesium alloy in air by a diffusion alloying method, with zinc oxide as the zinc source. At the same time, the pretreatment of the magnesium alloy matrix was greatly simplified. The as-diffusion-alloyed zinc-rich intermetallic layer was investigated, utilizing SEM, EDS, and XRD, respectively. It is inferred that zinc oxide was reduced into Zn atoms by the active Mg atoms, and the Mg atoms were coming from the magnesium alloy matrix. Then the Zn atoms passed through the oxide film and formed an intermetallic layer on the magnesium alloy surface. Thus, taking advantage of the activity of Mg atoms, magnesium alloys could be surface alloyed with oxides.
Keywordmagnesium alloy zinc oxide diffusion coating surface treatment
DOI10.3390/coatings9040278
Indexed BySCI
Language英语
Funding ProjectKey Research & Development Program of Shandong Province, China[2018GSF117039] ; Applied Research Program of Qingdao, China[17-1-1-22-jch]
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Coatings & Films
WOS IDWOS:000467318800065
PublisherMDPI
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/161368
Collection海洋环境腐蚀与与生物污损重点实验室
Corresponding AuthorLu, Dongzhu
Affiliation1.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
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Lu, Dongzhu,Huang, Yanliang,Duan, Jizhou,et al. A Zinc-Rich Coating Fabricated on a Magnesium Alloy by Oxide Reduction[J]. COATINGS,2019,9(4):8.
APA Lu, Dongzhu,Huang, Yanliang,Duan, Jizhou,&Hou, Baorong.(2019).A Zinc-Rich Coating Fabricated on a Magnesium Alloy by Oxide Reduction.COATINGS,9(4),8.
MLA Lu, Dongzhu,et al."A Zinc-Rich Coating Fabricated on a Magnesium Alloy by Oxide Reduction".COATINGS 9.4(2019):8.
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