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Laser remelting of plasma-sprayed nanostructured Al2O3-20 wt.% ZrO2 coatings onto 316L stainless steel
Yu, Jianbing; Wang, You; Zhou, Feifei; Wang, Liang1; Pan, Zhaoyi
2018
Source PublicationAPPLIED SURFACE SCIENCE
ISSN0169-4332
Volume431Pages:112
AbstractThe nanostructured Al2O3-20 wt.% ZrO2 coatings were fabricated by atmospheric plasma spraying (APS) on the 316L stainless steel and the laser-remelted testing was carried out using a continuous CO2 laser. The effect of laser treatment on microstructure and mechanical properties of the nanostructured Al2O3-20 wt.% ZrO2 coatings were also investigated. The results indicate that microstructural inhomogeneity in the coatings such as pores, voids and lamellar structure can be eliminated after laser remelting. When the laser power keeps at a constant, the quantity of surface cavities decrease with the increase of scanning rate whereas the quantity of surface cracks tend to increase. Both cavities and cracks can minimize when the laser power reaches 600 W with the scanning rate of 1000 mm/min. The laser treatment can greatly improve the surface roughness, wear resistance, microhardness, elastic modulus and fracture toughness of the nanostructured Al2O3-20 wt.% ZrO2 coatings. (C) 2017 Elsevier B.V. All rights reserved.
KeywordLaser remelting APS Nanostructured Al2O3-20 wt.% ZrO2 coatings Mechanical properties
Subject AreaChemistry, Physical ; Materials Science, Coatings & Films ; Physics, Applied ; Physics, Condensed Matter
MOST Discipline CatalogueChemistry ; Materials Science ; Physics
Funding OrganizationThis work was supported by the National Natural Science Foundation of China (NSFC) under the grant No. 51671208. ; This work was supported by the National Natural Science Foundation of China (NSFC) under the grant No. 51671208.
DOI10.1016/j.apsusc.2017.06.204
Funding OrganizationThis work was supported by the National Natural Science Foundation of China (NSFC) under the grant No. 51671208. ; This work was supported by the National Natural Science Foundation of China (NSFC) under the grant No. 51671208.
WOS SubjectTHERMAL BARRIER COATINGS ; STABILIZED ZIRCONIA COATINGS ; NANOCRYSTALLINE POWDERS ; MECHANICAL-PROPERTIES ; WEAR-RESISTANCE ; OXIDATION ; MICROSTRUCTURES ; BEHAVIOR
WOS IDWOS:000416964200017
PublisherELSEVIER SCIENCE BV
EI Accession Number1873-5584
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/24487
Collection中国科学院上海硅酸盐研究所
Affiliation1.Harbin Inst Technol, Sch Mat Sci & Engn, Dept Mat Sci, Lab Nano Surface Engn, Harbin 150001, Heilongjiang, Peoples R China
2.Chinese Acad Sci, Shanghai Inst Ceram, Key Lab Inorgan Coating Mat CAS, Shanghai 201899, Peoples R China
Recommended Citation
GB/T 7714
Yu, Jianbing,Wang, You,Zhou, Feifei,et al. Laser remelting of plasma-sprayed nanostructured Al2O3-20 wt.% ZrO2 coatings onto 316L stainless steel[J]. APPLIED SURFACE SCIENCE,2018,431:112, 121.
APA Yu, Jianbing,Wang, You,Zhou, Feifei,Wang, Liang,&Pan, Zhaoyi.(2018).Laser remelting of plasma-sprayed nanostructured Al2O3-20 wt.% ZrO2 coatings onto 316L stainless steel.APPLIED SURFACE SCIENCE,431,112.
MLA Yu, Jianbing,et al."Laser remelting of plasma-sprayed nanostructured Al2O3-20 wt.% ZrO2 coatings onto 316L stainless steel".APPLIED SURFACE SCIENCE 431(2018):112.
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