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1
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The effect of SO3-Ph-BTBP on stainless steel corrosion in nitric acid

100%
Wilbraham R. J., Boxall C.
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issue 4
865-869
EN
SO3-Ph-BTBP is a hydrophilic tetra-N-dentate ligand proposed for An(III)/Ln(III) separation by solvent extraction, and a candidate for use in future advanced reprocessing schemes such as GANEX and SANEX. We present the first study of the effect of SO3-Ph-BTBP on the corrosion behavior of stainless steels. Specifically, studies have been performed using steels and conditions equivalent to those found in relevant nuclear reprocessing flow sheets. SO3-Ph-BTBP has been shown to have little effect on either steel passivation or reductive dissolution. However, if driven cathodically into a region of hydrogen evolution at the electrode surface or conversely anodically into a region of transpassive dissolution, observed currents are reduced in the presence of SO3-Ph-BTBP, suggesting corrosion inhibition of the steel potentially through weak absorption of a SO3-Ph-BTBP layer at the metal-solution interface. The lack of any observed corrosion acceleration via complexation of Fe3+ is surprising and has been suggested to be due to the slow extraction kinetics of SO3-Ph-BTBP as a result of a requirement for a trans- to cis-conformational change before binding.
2
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Spatially resolved spectroscopy of an atmospheric pressure microwave plasma jet used for surface treatment

88%
Potočňáková L., Hnilica J., Kudrle V.
Open Chemistry
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2015
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vol. 13
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issue 1
EN
In this study, the variations of properties of a microwave plasma jet (surfatron) along the discharge axis have been investigated using optical emission spectroscopy. As the argon jet is not enclosed, the spatial distribution of individual species in effluent plasma is the result of rather complicated interplay between energy loss and gradual mixing with the air. Spatial 2D relative intensity profiles of atomic lines and molecular bands at 310 nm, 336 nm, 391 nm and 656 nm are presented in the form of colour maps revealing different positions of maximum emission intensity for 310 nm and 336 nm (in the effluent plasma) and for 391 nm and 656 nm (inside the discharge tube). The plasma jet was used for surface treatment of heat resistant samples (stainless steel, aluminium, silicon wafer) and the effectiveness of the plasma treatment was evaluated by measuring the sessile drop contact angle, with water and glycerol as testing liquids. The optimal position for plasma treatment (close to the tube nozzle) combined with longer treatment time (10 s) lead to hydrophilic properties of samples with contact angles as low as 10°.
3
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Influence of Ceramic Coating on Mechanical Properties of Stainless Steel

88%
Czekaj D., Lisińska-Czekaj A., Krzysztofowicz K., Czekaj D., Lisińska-Czekaj A., Krzysztofowicz K.
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4
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Estimate of the Crystallite Size for Nanocrystalline AISI 316L Stainless Steel and Armco Iron Processed by Hydrostatic Extrusion Using Variable Energy Positron Beam

75%
Sarnek M., Dryzek E., Horodek P., Pachla W.
Acta Physica Polonica A
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2017
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vol. 132
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issue 5
1598-1601
EN
The paper presents the results of research of nanocrystalline AISI 316L type stainless steel and nanocrystalline Armco pure iron processed by severe plastic deformation using hydrostatic extrusion method. Surface and subsurface of the steel samples extruded at different pressure were investigated using variable energy positron beam. It enabled us to determine the positron diffusion length and compare its values with those for annealed AISI 304 stainless steel. Furthermore positron lifetime and microhardness were measured for all the samples and X-ray diffraction was used to estimate the crystallite size.
5
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Synthesis of Nano-Structured Duplex and Ferritic Stainless Steel Powders by Dry Milling and Its Comparison with Wet Milling

75%
Shashanka R., Uzun O., Chaira D., Shashanka R., Uzun O., Chaira D.
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vol. 65
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issue 1
6
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Automated Laser Welding of AISI 304 Stainless Steel by Disk Laser

75%
Lisiecki A., Kurc-Lisiecka A.
Archives of Metallurgy and Materials
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2018
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vol. 63
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issue 4
7
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Research on neutralization of wastewater from pickling and electropolishing processes

75%
Lochyński P., Wiercik P., Charazińska S., Ostrowski M., Lochyński P., Wiercik P., Charazińska S., Ostrowski M.
Archives of Environmental Protection
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2021
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vol. 47
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issue 4
8
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Optimization of Ferrite Stainless Steel Mechanical Properties Prediction with artificial Intelligence Algorithms

75%
Honysz R., Honysz R.
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9
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The influence of hydrogen on the electrochemical properties of selected types of stainless steel /Wpływ wodoru na właściwości elektrochemiczne wybranych gatunków stali nierdzewnych

63%
Pietkun-Greber I., Janka R. M.
Chemistry-Didactics-Ecology-Metrology
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2013
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vol. 18
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issue 1-2
121-128
EN
The paper presents the results of the influence of electrolytic hydrogenation on the change of electrochemical properties of selected stainless steels and their susceptibility to the formation of galvanic hydrogen. It has been shown that the electrolytic hydrogenation of steel X5CrNi18-10 and X6Cr17 in the state of delivery, not only changes their corrosion resistance, but also contributes to the formation of galvanic hydrogen cells.
PL
Przedstawiono wyniki badań wpływu elektrolitycznego wodorowania na zmianę właściwości elektrochemicznych wybranych gatunków stali nierdzewnych oraz podatności ich do tworzenia galwanicznych ogniw wodorowych. Wykazano, że elektrolityczne wodorowanie stali X5CrNi18-10 i X6Cr17 w stanie dostawy powoduje zmianę ich odporności korozyjnej, ale także przyczynia się do powstawania galwanicznych ogniw wodorowych.
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