Electrolytic plasma processing-an innovative treatment for surface modification of 304 stainless steel

Gui, Wanyuan; Lin, Junpin; Hao, Guojian; Qu, Yuhai; Liang, Yongfeng; Zhang, Hui

doi:10.1038/s41598-017-00204-w

Cited by 11 publications

(7 citation statements)

References 32 publications

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“…technique, to this effect [16][17][18][19][20][21][22][23][24][25][26][27][28]. But there is a general lack of research on the interactions between EPP and the surface of Q195 structure carbon steel, which limits its further large-scale industrial production.…”

Section: Q195 Structural Carbon Steel Sample Preparationmentioning

confidence: 99%

“…Electrolytic plasma processing (EPP) technology can vastly boost energy efficiency and improve product performance and quality, while consuming relatively little energy and producing relatively few environmental pollutants; it is an important potential alternative cleaning process or galvanization technique, to this effect [16][17][18][19][20][21][22][23][24][25][26][27][28]. But there is a general lack of research on the interactions between EPP and the surface of Q195 structure carbon steel, which limits its further large-scale industrial production.…”

Section: Introductionmentioning

confidence: 99%

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Surface Modification of Q195 Structure Carbon Steel by Electrolytic Plasma Processing

Cheng

Gui

Lin

2018

Metals

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In this study, we applied an emerging, environmentally friendly surface engineering technology, electrolytic plasma processing (EPP), for the surface modification of Q195 structure carbon steel surface pretreatment and further Zn coating. Treating the surfaces of Q195 structure carbon steel by EPP was a quite dynamic process, which was investigated using scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS), and X-ray diffraction (XRD). The results shown that surface scale can be effectively remove after 40 s EPP treatment, and the EPP-treated Q195 structure carbon steel revealed a slight decrease in elastic modulus and hardness, but a substantial improvement in tensile (especially plastic) mechanical properties. Moreover, the further EPP modification conducted on the pretreated Q195 structure carbon steel sample for production of a layer of compact zinc coating with 15 μm thickness under an optimization EPP process. We also identified the modification mechanism of EPP to Q195 structure carbon steel, which may provide theoretical and practical guidance for future researchers and developers.

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Section: Q195 Structural Carbon Steel Sample Preparationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Surface Modification of Q195 Structure Carbon Steel by Electrolytic Plasma Processing

Cheng

Gui

Lin

2018

Metals

Self Cite

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“…Mechanical engineering development is largely related to solving the tasks of increasing machines' reliability. To increase the operational reliability of machines, it is necessary to increase the endurance and durability of their parts [1] and [2] and reduce the risk of their failures [3] and [4]. This is achieved by various methods, including strengthening the operating surfaces of component parts and creating new technological processes of highly wear-resistant materials manufacturing [5] to [7].…”

Section: Introductionmentioning

confidence: 99%

Functional Surface Layer Strengthening and Wear Resistance Increasing of a Low Carbon Steel by Electrolytic-Plasma Processing

Kombayev¹,

Muzdybayev²,

Muzdybayeva³

et al. 2022

sv-jme

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The modified technology for strengthening the surface layer of low-carbon steel for machine components by electroplasma processing is proposed. This technology is to be used as an alternative carburizing method with subsequent hardening. The developed technology of strengthening by the proposed method is based on the author’s invention. The parameters of this process are given, resulting in a thickness of the reinforced surface layer of 1000 µm to 1700 µm. An increase in microhardness of 1.5 to 2 times (compared to the initial state) was observed. With hardening, chemical modification of the material’s surface layer occurs. The microstructure of the treated surface of the steel samples is characterised by a dark modified surface layer: a fine needle-like structure of martensitic origin under the dark layer transforms into an initial perlite-ferritic structure. The advantage of strengthening based on the electrolytic plasma processing consists of low energy consumption at high hardening speeds and the possibility of local processing of surface areas, especially large parts of complex shapes. In addition, the proposed surface treatment method using electrolytic plasma processing (EPP) not only achieves a smooth surface but also improves the service qualities of the components, specifically wear resistance.

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“…Surface modification of stainless steels for the purpose of simultaneously achieving improved corrosion resistance and surface mechanical properties is of great technological significance 1–4 . In this context, application of nitriding treatments to surface harden the stainless steels has always been a challenging task due to the strong chemical affinity of Cr to N which is known to result in the formation of Cr-nitrides.…”

Section: Introductionmentioning

confidence: 99%

Thermodynamic reasoning for colossal N supersaturation in austenitic and ferritic stainless steels during low-temperature nitridation

Sasidhar

Meka

2019

Sci Rep

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Colossal N supersaturation of ferritic as well as austenitic stainless steels during low temperature gaseous nitridation treatments has lately gained much technological significance. However, available thermodynamic models to calculate the N paraequilibrium solubility limits have failed to explain the levels of colossal N supersaturation observed in several cases of nitrided ferritic/austenitic stainless steels. In this work, we show that consideration of N dissolution induced spinodal decomposition is essential in calculating the N paraequilibrium solubility limit for both ferritic and austenitic stainless steels. This modification in the thermodynamic model has led to the successful explanation of the thermodynamic cause for the colossal N supersaturation in ferritic and austenitic stainless steels. Available experimental observations in literature support the occurrence of spinodal decomposition.

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Electrolytic plasma processing-an innovative treatment for surface modification of 304 stainless steel

Cited by 11 publications

References 32 publications

Surface Modification of Q195 Structure Carbon Steel by Electrolytic Plasma Processing

Surface Modification of Q195 Structure Carbon Steel by Electrolytic Plasma Processing

Functional Surface Layer Strengthening and Wear Resistance Increasing of a Low Carbon Steel by Electrolytic-Plasma Processing

Thermodynamic reasoning for colossal N supersaturation in austenitic and ferritic stainless steels during low-temperature nitridation

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