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Electrochemistry of active chromium, part III: Effects of temperature [PDF]

open access: yesJournal of the Serbian Chemical Society, 2003
It was shown that the temperature in the range 20 – 65 ºC has considerable effects on the electrochemical anodic dissolution of chromium in the active potential range as well as on the electrochemical hydrogen evolution reactions on bare and oxide ...
Popić Jovan P., Dražić Dragutin M.
doaj   +3 more sources

Effect of microstructure on the electrochemical dissolution behaviour of Hastelloy® X superalloy processed by selective laser melting and heat treatments

open access: yesMaterials & Design, 2021
As a proven and highly efficient processing technique, electrochemical machining (ECM) is used for machining difficult-to-cut Ni-based superalloys (such as Hastelloy® X [HX] fabricated via selective laser melting [SLM]) with complex shapes.
Yingyue Yin   +6 more
doaj   +1 more source

Application of pulse current for dissolution of heat-resistant GS32-VI alloy

open access: yesТонкие химические технологии, 2021
Objectives. To identify the regularities of electrochemical processing of the heat-resistant GS32-VI alloy in a sulfuric acid electrolyte with a concentration of 100 g/dm3 under the action of a pulsed current in a pulsed mode.Methods.
O. V. Chernyshova   +2 more
doaj   +1 more source

Electrochemical Dissolution Behavior of Ti-48Al-2Nb-2Cr in NaNO3 and NaCl Electrolytes

open access: yesInternational Journal of Electrochemical Science, 2020
Ti-48Al-2Nb-2Cr (TiAl4822) intermetallic material is an excellent lightweight and high-temperature alloy used in the aerospace industry. Electrochemical machining (ECM) is one of the most significant processing technologies for the manufacturing of TiAl ...
Hao Wang, Jia Liu, Dawei Gu, Di Zhu
doaj   +1 more source

Chemical corrosion of metals and alloys

open access: yesZaštita Materijala, 2016
In this paper, phenomena of chemical corrosion of metals and alloys in electrolyte solutions are analyzed. It is shown that iron, chromium and other metals and alloys dissolve much faster than is the corrosion rate determined by electrochemical methods ...
Bore Jegdić   +3 more
doaj   +1 more source

Electrochemical removal of pyrite scale using green formulations

open access: yesScientific Reports, 2021
Pyrite scale formation is a critical problem in the hydrocarbon production industry; it affects the flow of hydrocarbon within the reservoir and the surface facilities.
Musa Ahmed   +4 more
doaj   +1 more source

Improved methodology for calculating the processes of surface anodic dissolution of spark eroded recast layer at electrochemical machining with wire electrode

open access: yesTrudy Odesskogo Politehničeskogo Universiteta, 2014
The wire electro discharge machining (WEDM) process produces surfaces that require some kind of finishing operation. The precision electrochemical machining is one of techniques used mainly to improve the steels’ appearance.
В. І. Осипенко   +2 more
doaj   +5 more sources

Electrochemical analysis of copper-EDTA-ammonia-gold thiosulfate dissolution system

open access: yesGreen Processing and Synthesis, 2023
Ethylenediaminetetraacetic acid disodium (EDTA) can form stable complexes with many metals. To improve the leaching rate of gold and the consumption rate of thiosulfate, EDTA and ammonia were combined with copper ions to form a copper-EDTA-ammonia ...
Xiang Peng-Zhi, Ye Guo-Hua
doaj   +1 more source

Study on the Microstructure and Properties of Mg-Gd-Ni-Y Alloy Containing LPSO Phase

open access: yesMetals, 2023
The long-period stacking ordered (LPSO) structure, functioning as a strengthening phase in magnesium alloys, plays a pivotal role in compensating for inherent performance limitations.
Jibin Zhang   +6 more
doaj   +1 more source

Corrosion-and Electrochemical Dissolution Behavior of Cast Iron Measured with Different Electrochemical Cell Types

open access: yesInternational Journal of Electrochemical Science, 2015
The corrosion behavior and the electrochemical dissolution of three different cast iron types and one high purity iron sample in NaNO3 electrolyte (25°C, 1 M, pH: 7) were investigated by comparing three different cell setups: a relatively simple beaker ...
Nicolas Zapp   +2 more
doaj   +1 more source

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