Surface modification of AISI 316L stainless steel by applying single and multilayer coatings: Study of elastic modulus and antibacterial properties

AISI 316L stainless steel is extensively used in various fields, including medicine. In this study, in order to improve antibacterial properties, reduce elastic modulus, increase hydrophilicity and delay corrosion on the surface of AISI 316L stainless steel pieces for biomedical applications, zinc a...

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Main Authors: Bahare Soltani, Sayed Mahmood Rabiee, Salman Nourouzi, Seyed Jamal Hosseinipour, Simindokht Khademjafari
Format: Article
Language:English
Published: Elsevier 2025-01-01
Series:Heliyon
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Online Access:http://www.sciencedirect.com/science/article/pii/S2405844024171988
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author Bahare Soltani
Sayed Mahmood Rabiee
Salman Nourouzi
Seyed Jamal Hosseinipour
Simindokht Khademjafari
author_facet Bahare Soltani
Sayed Mahmood Rabiee
Salman Nourouzi
Seyed Jamal Hosseinipour
Simindokht Khademjafari
author_sort Bahare Soltani
collection DOAJ
description AISI 316L stainless steel is extensively used in various fields, including medicine. In this study, in order to improve antibacterial properties, reduce elastic modulus, increase hydrophilicity and delay corrosion on the surface of AISI 316L stainless steel pieces for biomedical applications, zinc and magnesium elements were used for coating. Zn monolayer, Zn-Mg bilayer, and Zn-Mg-Zn triple coatings were deposited on AISI 316L substrates using the thermal evaporation method. Field emission scanning electron microscopy (FE-SEM) confirmed the formation of thin film coatings on the substrate. EDX analysis also indicated the presence of Zn and Mg elements in the coatings. Atomic force microscopy (AFM) results showed a reduction in the root mean square roughness in the coated specimens compared to the uncoated ones. This technique was also used to compare the force between the samples. The result of this research indicated 22.78 % increase in hydrophilicity, 31.25 % improvement in antibacterial properties and 86.67 % reduction in elastic modulus when comparing the uncoated sample with the three-layer coated sample. X-ray diffraction (XRD) revealed the intermetallic composition of Zn and Mg. The average crystallite size, determined using Scherer's equation, was 14.61, 13.15, 13.92, and 49.60 nm for the uncoated, one-layer, two-layer, and three-layer samples, respectively. Atomic absorption spectroscopy (AAS) revealed that the 24-h release of Zn2+, Mg2+, and Ni2+ ions from the samples was within the allowable range when immersed in simulated body fluid (SBF). Corrosion measurements indicated the formation of a galvanic cell due to the layers in the coated samples, and the substrate did not corrode until the coating was fully degraded.
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spelling doaj-art-4af9fe7d3f8e4ad3bb4eadc5ed9111c22025-01-17T04:50:23ZengElsevierHeliyon2405-84402025-01-01111e41167Surface modification of AISI 316L stainless steel by applying single and multilayer coatings: Study of elastic modulus and antibacterial propertiesBahare Soltani0Sayed Mahmood Rabiee1Salman Nourouzi2Seyed Jamal Hosseinipour3Simindokht Khademjafari4Department of Materials Engineering, Babol Noshirvani University of Technology, Mazandaran, IranCorresponding author. Materials Engineering Department, Babol Noshirvani University of Technology, P.O. Box: 484, Babol, Iran.; Department of Materials Engineering, Babol Noshirvani University of Technology, Mazandaran, IranDepartment of Materials Engineering, Babol Noshirvani University of Technology, Mazandaran, IranDepartment of Materials Engineering, Babol Noshirvani University of Technology, Mazandaran, IranDepartment of Materials Engineering, Babol Noshirvani University of Technology, Mazandaran, IranAISI 316L stainless steel is extensively used in various fields, including medicine. In this study, in order to improve antibacterial properties, reduce elastic modulus, increase hydrophilicity and delay corrosion on the surface of AISI 316L stainless steel pieces for biomedical applications, zinc and magnesium elements were used for coating. Zn monolayer, Zn-Mg bilayer, and Zn-Mg-Zn triple coatings were deposited on AISI 316L substrates using the thermal evaporation method. Field emission scanning electron microscopy (FE-SEM) confirmed the formation of thin film coatings on the substrate. EDX analysis also indicated the presence of Zn and Mg elements in the coatings. Atomic force microscopy (AFM) results showed a reduction in the root mean square roughness in the coated specimens compared to the uncoated ones. This technique was also used to compare the force between the samples. The result of this research indicated 22.78 % increase in hydrophilicity, 31.25 % improvement in antibacterial properties and 86.67 % reduction in elastic modulus when comparing the uncoated sample with the three-layer coated sample. X-ray diffraction (XRD) revealed the intermetallic composition of Zn and Mg. The average crystallite size, determined using Scherer's equation, was 14.61, 13.15, 13.92, and 49.60 nm for the uncoated, one-layer, two-layer, and three-layer samples, respectively. Atomic absorption spectroscopy (AAS) revealed that the 24-h release of Zn2+, Mg2+, and Ni2+ ions from the samples was within the allowable range when immersed in simulated body fluid (SBF). Corrosion measurements indicated the formation of a galvanic cell due to the layers in the coated samples, and the substrate did not corrode until the coating was fully degraded.http://www.sciencedirect.com/science/article/pii/S2405844024171988AISI 316L stainless steelElastic modulusAntibacterialCoatingMultilayer
spellingShingle Bahare Soltani
Sayed Mahmood Rabiee
Salman Nourouzi
Seyed Jamal Hosseinipour
Simindokht Khademjafari
Surface modification of AISI 316L stainless steel by applying single and multilayer coatings: Study of elastic modulus and antibacterial properties
Heliyon
AISI 316L stainless steel
Elastic modulus
Antibacterial
Coating
Multilayer
title Surface modification of AISI 316L stainless steel by applying single and multilayer coatings: Study of elastic modulus and antibacterial properties
title_full Surface modification of AISI 316L stainless steel by applying single and multilayer coatings: Study of elastic modulus and antibacterial properties
title_fullStr Surface modification of AISI 316L stainless steel by applying single and multilayer coatings: Study of elastic modulus and antibacterial properties
title_full_unstemmed Surface modification of AISI 316L stainless steel by applying single and multilayer coatings: Study of elastic modulus and antibacterial properties
title_short Surface modification of AISI 316L stainless steel by applying single and multilayer coatings: Study of elastic modulus and antibacterial properties
title_sort surface modification of aisi 316l stainless steel by applying single and multilayer coatings study of elastic modulus and antibacterial properties
topic AISI 316L stainless steel
Elastic modulus
Antibacterial
Coating
Multilayer
url http://www.sciencedirect.com/science/article/pii/S2405844024171988
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