Surface Morphology, Roughness and Wettability of the Medical Grade 316L Stainless Steel Processed with Surface Mechanical Attrition Treatment and Electropolishing for the Preparation of Osteosynthesis Plate

Arifvianto, Budi; Suyitno, Suyitno; Mahardika, Muslim

doi:10.21315/jps2018.29.3.7

Cited by 4 publications

(4 citation statements)

References 22 publications

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“…Meanwhile, the polishing post-treatment removed the outermost surface layer of the Mg alloy and thus decrease the thickness of such hard surface and subsurface layers of the SMATed material (denoted by SMAT20+P). A similar finding was also obtained in previous work [14]. The change in the Ra value of the Mg alloy surface due to the SMAT is presented in Figure 1(b).…”

Section: Resultssupporting

confidence: 90%

“…In this research, a commercial AZ31B magnesium alloy plate having main chemical compositions (wt.%) of 2.5-3.5 Al, 0.7-1.3 Zn and balanced Mg were prepared as the specimen with a size of 100 mm × 13 mm × 3.2 mm. The SMAT was then carried out for 20 min in a custom-built machine as illustrated schematically in the previous work [14]. Prior to and after the SMAT, all the specimens were ground, polished and then rinsed in a cleaning solution containing 70% ethanol.…”

Section: Methodsmentioning

confidence: 99%

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The Influence of SMAT and Polishing on the Degradation of AZ31B Magnesium Alloy in 3.5 Wt.% NaCl Solution

Arifvianto

Mahardika

Salim

et al. 2020

KEM

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Surface mechanical attrition treatment (SMAT) has been recognized as a potential surface treatment for improving the strength and the wear resistance of magnesium (Mg) and its alloy. However, this treatment potentially increases the degradation rate of these particular materials. Therefore, additional treatments might be needed to overcome such limitation of the SMAT. In this research, the influence of polishing on the degradation of the SMAT-processed AZ31B Mg alloy was investigated. Weight losses measurement and pH monitoring were carried out to determine degradation behavior of the Mg alloy during an immersion test in 3.5 wt.% NaCl solution. The results showed that the degradability of the Mg alloy decreased with the application of polishing to remove the rough surface layer and the Fe contaminant on the material surface generated by the SMAT. Based on all the findings in this work, it can be concluded that the SMAT is indeed a promising technique for lowering the degradability of AZ31B Mg alloy, but such an advantage was masked by the increased roughness and contamination of the alloy surface with this treatment.

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Section: Resultssupporting

confidence: 90%

Section: Methodsmentioning

confidence: 99%

The Influence of SMAT and Polishing on the Degradation of AZ31B Magnesium Alloy in 3.5 Wt.% NaCl Solution

Arifvianto

Mahardika

Salim

et al. 2020

KEM

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“…The EP principally works based on an anodic dissolution process, in which the material surface layer is removed through ion-by-ion mechanism [4][5][6][7][8]. Compared to the mechanical surface finishing technique, such as abrasive polishing, the EP method is more effective to produce a smooth and homogeneous surface in a complex-shaped workpiece [9,10]. During the EP, the workpiece does not have to come into contact with the tool [1,[11][12][13][14][15][16].…”

Section: Introductionmentioning

confidence: 99%

“…Once the electric current flows towards the anode, material removal occurs followed by diffusion and dissolution of metal ions in the electrolyte [17]. In the end, the surface quality of the electropolished metallic material depends on the initial surface roughness and the electrolyte flow conditions [9,20].…”

Section: Introductionmentioning

confidence: 99%

Electropolishing with Circulated Electrolyte for Improving Surface Finish of Brass

Safaruddin,

Salim,

Suyitno

et al. 2023

SSP

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Electropolishing has been widely used for surface finishing of metallic products in the industry, owing to its excellent capability of producing metallic components with a homogeneously smooth surfaces. However, this treatment is often constrained by the long duration required for the processing. Therefore, an improvement in this process is needed. The aim of this research is to introduce the use of electropolishing with circulated electrolytes for improving the surface finish of brass. In this work, electropolishing was carried out by using circulated H2SO4 electrolyte for 10 to 30 min in a customized electropolishing chamber. The effect of this treatment on surface morphology, surface roughness, and thickness reduction of the brass specimen was determined. The results showed a better capability of electropolishing with circulated electrolyte in decreasing the brass roughness, i.e., by 84%, than that without electrolyte circulation which only reached 45% during 30 min of the treatment.

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A comprehensive review on surface post-treatments for freeform surfaces of bio-implants

Hashmi

Mali

Meena

et al. 2023

Journal of Materials Research and Technology

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Surface Morphology, Roughness and Wettability of the Medical Grade 316L Stainless Steel Processed with Surface Mechanical Attrition Treatment and Electropolishing for the Preparation of Osteosynthesis Plate

Abstract: Surface morphology, roughness and wettability of the medical grade 316L stainless steel processed with surface mechanical attrition treatment and electropolishing for the preparation of osteosynthesis plate.

Cited by 4 publications

References 22 publications

The Influence of SMAT and Polishing on the Degradation of AZ31B Magnesium Alloy in 3.5 Wt.% NaCl Solution

The Influence of SMAT and Polishing on the Degradation of AZ31B Magnesium Alloy in 3.5 Wt.% NaCl Solution

Electropolishing with Circulated Electrolyte for Improving Surface Finish of Brass

A comprehensive review on surface post-treatments for freeform surfaces of bio-implants

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