Zobrazeno 1 - 10
of 74
pro vyhledávání: '"Soon-Hyeok Jeon"'
A New Mechanism for the Inhibition of SA106 Gr.B Carbon Steel Corrosion by Nitrite in Alkaline Water
Publikováno v:
Materials, Vol 17, Iss 18, p 4470 (2024)
The purpose of this study was to investigate the composition of oxide films formed on SA106 Gr.B carbon steel in nitrite solutions at 35 °C for 1000 h. The product of the reduction of nitrite during the corrosion inhibition process was also examined
Externí odkaz:
https://doaj.org/article/50b91c08304144e8ab3ef1c0bfd11f91
Autor:
Young-Jin Kim, Geun Dong Song, Seung Heon Baek, Beom Kyu Kim, Jin Sik Cheon, Jun Hwan Kim, Hee-Sang Shim, Soon-Hyeok Jeon, Hyunmyung Kim
Publikováno v:
Nuclear Engineering and Technology, Vol 55, Iss 9, Pp 3183-3193 (2023)
The water radiolysis in-core at light water reactors (LWRs) produces various radicals with other ionic species/molecules and radioactive nitrogen species in the reactor coolant. Nitrogen species can exist in many different chemical forms and recircul
Externí odkaz:
https://doaj.org/article/3e8633a48b39421da2858c8da441a249
Publikováno v:
Journal of Materials Research and Technology, Vol 21, Iss , Pp 3051-3061 (2022)
The purpose of this study is to investigate the electrochemical and immersion corrosion behavior of Ti-5 wt.% Gd alloy in a boric acid solution at 50 °C. The chemical states and defect densities of oxide films formed in the solution were determined
Externí odkaz:
https://doaj.org/article/7ea2308e903f4755830def4c653b556b
Publikováno v:
Journal of Materials Research and Technology, Vol 20, Iss , Pp 2527-2541 (2022)
The purpose of this study is to elucidate the effect of a film forming amine (FFA) on the magnetite deposition behavior of Alloy 690 tube in the secondary coolant system of pressurized water reactors. By the addition of octadecylamine (ODA), which is
Externí odkaz:
https://doaj.org/article/913acdc299d74359a550638c329edcf8
Publikováno v:
Materials, Vol 15, Iss 23, p 8471 (2022)
The corrosion behavior and integrity of steam generator (SG) tube materials have frequently been tested in solutions containing sodium hydroxide (NaOH), assuming that NaOH is a typical contaminant concentrated in the crevices of SGs in a pressurized
Externí odkaz:
https://doaj.org/article/e14b94fb878447a0a60bece02828452c
Publikováno v:
Materials, Vol 14, Iss 15, p 4105 (2021)
The purpose of this work is to quantify the effects of dissolved zinc cations on corrosion and release rates from a pre-filmed Alloy 690 steam generator tubing material that was subsequently exposed to water containing zinc. The corrosion tests were
Externí odkaz:
https://doaj.org/article/8902d410127d4cb389e67fb0d0c6cf16
Publikováno v:
Metals, Vol 5, Iss 4, Pp 2372-2382 (2015)
The galvanic corrosion behavior of Alloy 690 coupled with magnetite has been investigated in an alkaline solution at 30 °C and 60 °C using a potentiodynamic polarization method and a zero resistance ammeter. The positive current values were recorde
Externí odkaz:
https://doaj.org/article/98e8b05afda14102925f57a97df1cb2c
Publikováno v:
Materials, Vol 13, Iss 18, p 3999 (2020)
Magnetite particles deposited on the secondary side of a steam generator (SG) can degrade the integrity and performance of pressurized water reactors. Therefore, it is necessary to produce the data of fundamental interfacial electrokinetic properties
Externí odkaz:
https://doaj.org/article/159ba874879e434daeb72755c17cad44
Publikováno v:
Crystals, Vol 10, Iss 9, p 729 (2020)
In the secondary side of pressurized water reactors (PWRs), the main corrosion product accumulated on the steam generator (SG) tubes is magnetite, which has a porous structure. The purpose of this work is to simulate the porous magnetite deposited to
Externí odkaz:
https://doaj.org/article/b5ce71454c874966a4a418ad15ed45e3
Publikováno v:
Materials, Vol 12, Iss 13, p 2091 (2019)
This study aims to investigate and explain the magnetite-accelerated stress corrosion cracking phenomenon of Alloy 600 under caustic conditions, based on the electrochemical behavior. After the SCC test that lasted for 300 h, no cracks were observed
Externí odkaz:
https://doaj.org/article/f63b61d3681c4d90ae8bfac6e4b8182d