Zobrazeno 1 - 10
of 98
pro vyhledávání: '"Do Haeng Hur"'
Publikováno v:
Journal of Materials Research and Technology, Vol 28, Iss , Pp 4694-4702 (2024)
The purpose of this study is to investigate the changes in the morphology, chemical state, defect density, and impedance of oxides formed on SA 106 Gr.B carbon steel by turbulent water flow at the micro and atomic levels. A compact magnetite layer co
Externí odkaz:
https://doaj.org/article/523f9799dd214eaf9e45fbbea3783884
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:
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:
Nuclear Engineering and Technology, Vol 47, Iss 7, Pp 934-938 (2015)
This technical note provides some considerations for the metallographic observation of intergranular attack (IGA) in Alloy 600 steam generator tubes. The IGA region was crazed along the grain boundaries through a deformation by an applied stress. The
Externí odkaz:
https://doaj.org/article/6ab5e2e26a074b0a87845da4a8067cd3
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:
Nuclear Engineering and Technology, Vol 46, Iss 6, Pp 883-888 (2014)
This work presents the influence of noise originating from the tube itself on the detectability and sizing accuracy for laboratory-induced outer diameter axial cracks in nuclear steam generator tubes. The variations of signal amplitude and phase angl
Externí odkaz:
https://doaj.org/article/3c158485ef0344469d74e111b68fdd03
Publikováno v:
Advances in Materials Science and Engineering, Vol 2016 (2016)
The purpose of this work is to investigate the effect of electrochemical deposition potential on the morphology and structure of iron-based films on the carbon steel in an alkaline Fe(III)-triethanolamine solution. The deposition potentials were cont
Externí odkaz:
https://doaj.org/article/8ec61e43690e48c1a5d45702252b44aa
Publikováno v:
Metals, Vol 8, Iss 11, p 899 (2018)
In secondary coolant system of the pressurized water reactors, the reduced corrosion products such as metallic Cu and Pb particles were accumulated in the pores of the magnetite flakes and electrically contacted to the steam generator materials. The
Externí odkaz:
https://doaj.org/article/628b24211ce24703b87962b92e463e07
Publikováno v:
Advances in Materials Science and Engineering, Vol 2015 (2015)
This work clarifies the effect of surface modifications on the corrosion rate of Alloy 690, a nickel-based alloy for steam generator tubes, under the simulated test conditions of the primary water chemistry in nuclear power plants. The surface stress
Externí odkaz:
https://doaj.org/article/62420b406fee41e0b8823c1a971c1f45