Evaluation and Analytical Method for Hydrogen Embrittlement

Fushimi, Koji

doi:10.2472/jsms.71.548

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Silver Decoration With Electrolytic Charging Hydrogen a Silv...1

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2024

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“…The hydrogen charge rate, the amount of hydrogen introduced into the sample per unit time, is determined by the applied voltage, current density, solution concentration, etc. If there is a flow of the electrolyte for hydrogen charging, it is also affected by the flow rate [16]. Therefore, if it is necessary to accurately determine the amount of charge, the flow rate must be kept constant.…”

Section: Silver Decoration With Electrolytic Charging Hydrogen a Silv...mentioning

confidence: 99%

Sample Holder for Time Dependence Silver-decoration under Optical Microscope Observation

Itakura,

Kusawake,

Fujimaru

et al. 2024

e-J. Surf. Sci. Nanotechnol.

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Silver decoration is a highly reliable experimental method that has been used for a long time to confirm the location of hydrogen on metal. In order to measure hydrogen permeation through vanadium membranes, we made a cell for electrochemical charge of hydrogen on back side of the sample of silver decoration experiment. A small aquarium pump circulates the solution for electrochemical hydrogen charging and prevents hydrogen gas bubbles from interfering hydrogen charging to the sample. By placing this cell on the sample stage of an optical microscope, we can conduct silver decoration experiments while observing the microscope image.

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Section: Silver Decoration With Electrolytic Charging Hydrogen a Silv...mentioning

confidence: 99%