Investigation of corrosion behaviors at different solutions of boronized AISI 316L stainless steel

Kayalı, Yusuf; Büyüksağiş, Aysel; Güneş, İbrahim; Yalçin, Yılmaz

doi:10.1134/s2070205113030192

Cited by 34 publications

(13 citation statements)

References 37 publications

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“…The hybrid layers fabricated using P-PB followed by powder-pack chromizing (P-PCr) or P-PCr followed by P-PB were also studied [ 41 ]. Whereas the wear behavior of some powder-pack borided layers [ 33 , 34 , 36 ] as well as the layers borided in liquid media [ 42 , 43 ] was not studied. During the tribocorrosion tests of low-temperature gas nitrided layers, the “ball-on-disc” technique was applied using alumina ball as a counter-sample [ 44 ].…”

Section: Resultsmentioning

confidence: 99%

“…The determined values of corrosion potential E corr and corrosion current density I corr of the untreated [ 2 , 4 , 5 , 6 , 7 , 8 , 10 , 14 , 15 , 16 , 17 , 19 , 24 , 27 , 35 , 36 , 41 , 44 , 52 ], as-sprayed [ 21 ] and as-deposited [ 22 ] austenitic 316L steels are specified in Table 9 based on the other papers. In many of them, the corrosion current density was not calculated [ 4 , 5 , 6 , 8 , 10 , 14 , 15 , 17 , 19 , 21 , 27 , 52 ].…”

Section: Resultsmentioning

confidence: 99%

“…Among these processes, the most important are: low-temperature plasma gas nitriding (LTPGN), high-temperature plasma gas nitriding (HTPGN), low-temperature plasma gas carburizing (LTPGC), low-temperature plasma gas nitrocarburizing (LTPGNC), cathodic plasma electrolytic nitriding (CPEN) or plasma paste boriding (PPB). The conventional thermo-chemical treatment, i.e., boriding [ 33 , 34 , 35 , 36 , 37 , 38 , 39 , 40 , 41 , 42 , 43 ], nitriding [ 44 , 45 , 46 , 47 , 48 , 49 ] or carburizing [ 50 , 51 , 52 ] as well as producing the TiN coatings by physical vapor deposition (PVD) [ 53 , 54 ], requires the mechanical or chemical removing these oxides before these processes. It is relatively difficult due to the susceptibility of austenitic steel to re-passivation.…”

Section: Introductionmentioning

confidence: 99%

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Laser Surface Alloying of Austenitic 316L Steel with Boron and Some Metallic Elements: Properties

Kulka

Mikołajczak²,

Dziarski

et al. 2021

Materials

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Austenitic 316L stainless steel is known for its good resistance to corrosion and oxidation. However, under conditions of appreciable mechanical wear, this steel had to demonstrate suitable wear protection. In this study, laser surface alloying with boron and some metallic elements was used in order to improve the hardness and wear behavior of this material. The microstructure was described in the previous paper in detail. The microhardness was measured using Vickers method. The “block-on-ring” technique was used in order to evaluate the wear resistance of laser-alloyed layers, whereas, the potentiodynamic method was applied to evaluate their corrosion behavior. The produced laser-alloyed layers consisted of hard ceramic phases (Fe2B, Cr2B, Ni2B or Ni3B borides) in a soft austenitic matrix. The significant increase in hardness and wear resistance was observed in the case of all the laser-alloyed layers in comparison to the untreated 316L steel. The predominant abrasive wear was accompanied by adhesive and oxidative wear evidenced by shallow grooves, adhesion craters and the presence of oxides. The corrosion resistance of laser-alloyed layers was not considerably diminished. The laser-alloyed layer with boron and nickel was the best in this regard, obtaining nearly the same corrosion behavior as the untreated 316L steel.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Laser Surface Alloying of Austenitic 316L Steel with Boron and Some Metallic Elements: Properties

Kulka

Mikołajczak²,

Dziarski

et al. 2021

Materials

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show abstract

“…EDS has been performed to confirm the constituents present in the work material. The image of the sample at 200 microns (lm) under a magnification of 5009 from the SEM is obtained and analysis is carried out by energy-dispersive X-ray spectroscopy [34][35][36]. The SEM-EDS analysis shows that the content of titanium (Ti) is at the peak (figure 6) and the other constituents present in the work sample are vanadium (V) and aluminium (Al).…”

Section: Methodsmentioning

confidence: 99%

An experimental study on drilling of titanium alloy using CO2 laser

et al. 2018

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Laser drilling is a popular method as it eliminates the problem of chatter and vibration due to the absence of physical contact between the tool and workpiece. Tool breakage, a common phenomenon that occurs due to bending of the tool in making of slender holes using conventional drilling, can also be avoided. However, quality of the hole measured in terms of circularity, taper and spatter area is the major concern during laser drilling. The present investigation attempts to find out the optimum parametric setting during drilling of Ti6Al4V using CO 2 laser in order to achieve quality holes. Experiments have been conducted to assess the influence of machining parameters, viz. flushing pressure, laser power and pulse frequency, on the performance characteristics such as taper of kerf, heat-affected zone (HAZ) and spatter area. Taguchi's L 9 orthogonal array has been used to design the experimental layout as it reduces the experimental cost and time. Analysis of variance has been performed to assess the effect of machining parameter on the performance characteristics. It has been observed that laser power has significant influence on taper of kerf, HAZ and spatter area. Based on desirability approach, the study suggests that all the performance characteristics can be simultaneously optimized at flushing pressure of 40 Pa, laser power of 2250 W and pulse frequency of 1600 Hz. The study also presents a numerical model to simulate the laser drilling process. Since comparison of experimental and numerical model shows a relative error within 10%, adequacy of the numerical model for assessment of quality characteristics of laser drilled holes is justified.

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“…For industrial applications, * e-mail: jagielska-wiaderek.karina@wip.pcz.pl the formation of an Fe 2 B monophase layer on the surface is more desirable than an FeB polyphase layer; whereas, the former occurs beneath the latter, because FeB has a very brittle structure with a hardness level of around 2300 HV, compared to that of Fe 2 B, which varies in the range of 1500-1700 HV [9]. As a result of boronizing stainless steels, the outer layers of iron borides are often enriched with chromium and nickel borides of the CrB, Cr 2 B, NiB, and Ni 3 B types [10][11][12].…”

Section: Introductionmentioning

confidence: 99%

Depth Corrosion Characteristics of Borided Layer Produced on AISI 321 Stainless Steel

Jagielska-Wiaderek

2019

Acta Phys. Pol. A

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This paper presents the results of effects of boronizing process of AISI 321 austenitic stainless steel on its electrochemical corrosion resistance. The steel samples were boronized at a temperature of 900 • C for 6 h. In this process, a mixture powder (B4C, SiC, borax), alumina (Al2O3) and potassium fluoroborate (KBF4) was used. The evaluation of the corrosion resistance of boronized stainless steel was carried out by using the so-called progressive thinning method, consisting in determination of polarisation characteristics on increasingly-deeper situated regions of the top layer. This method made it possible to determine changes in particular corrosion parameters read out from potentiodynamic polarisation curves, thus enabling the depth profiles of these parameters. Potentiodynamic polarization tests were carried out in an 0.5 M sulphate solution acidified to pH = 2.0. It is shown that unlike unmodified steel, the boron-rich outer layer does not passivate but undergoes fast dissolution both in active-and transpassive regions in the corrosion solution.

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Investigation of corrosion behaviors at different solutions of boronized AISI 316L stainless steel

Cited by 34 publications

References 37 publications

Laser Surface Alloying of Austenitic 316L Steel with Boron and Some Metallic Elements: Properties

Laser Surface Alloying of Austenitic 316L Steel with Boron and Some Metallic Elements: Properties

An experimental study on drilling of titanium alloy using CO2 laser

Depth Corrosion Characteristics of Borided Layer Produced on AISI 321 Stainless Steel

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