Results 281 to 290 of about 214,978 (311)

The electrochemical charge-discharge properties of ZrCrNi hydrogen storage alloys

Journal of Alloys and Compounds, 1995
Abstract Zr(Cr x Ni 1− x ) 2 (0.15 ⩽ x ⩽ 0.65) alloys were prepared by arc melting in an argon atmosphere. Through X-ray diffraction, the main crystal structure of the alloys was found to change from Laves phase cubic C15 to hexagonal C14 as the Cr to Ni ratio increased, and lattice parameters and hydrogen absorption capacities were mainly ...
Lei Yongquan, Yang Xiaoguang, Wu Jing, Wang Qidong   +3 more
openaire   +1 more source

Can Electrochemical Charging Replace Hydrogen Gas Charging During Hydrogen Embrittlement Testing?

CONFERENCE 2024
Abstract This paper presents the output from a study with the aim to correlate hydrogen gas charging and electrochemical charging for a X65 pipeline steel. The hydrogen uptake and diffusivity were evaluated via the permeation technique by employing both hydrogen gas charging and electrochemical charging.
Erik Koren, Roy Johnsen, Dong Wang, Catalina H.M. Hagen, Anette B. Hagen, Bård Nyhus, Antonio Alvaro, Hisao Matsunaga   +7 more
openaire   +1 more source

Electrochemical Hydrogen Permeation Tests under Conventional Potentiostatic Hydrogen Charging Conditions Conventionally Used for Hydrogen Embrittlement Study

ECS Transactions, 2017
Electrochemical hydrogen permeation tests were carried out under potentiostatic hydrogen charging conditions in various solutions, and the hydrogen entry behavior was compared with that of galvanostatic method. The relationship between hydrogen permeation current density and potential was similar in potentiostatic and galvanostatic methods and wide ...
Eiji Akiyama, Songjie Li
openaire   +1 more source

A dilatometric study of nickel wire electrode electrochemically charged by hydrogen

Journal of Alloys and Compounds, 1996
Abstract The cathodic charging of nickel with hydrogen was studied with simultaneous measurements of dimensional variations within the solubility region. Relative dimensional changes as low as 3 × 10 −6 could be detected which makes this measuring combination sensitive and powerful in studying the behavior of metal hydrogen systems, particularly in ...
Y. Oren, E. Elish, A. Tamir, Z. Gavra
openaire   +1 more source

Hydride dissociation and hydrogen evolution behavior of electrochemically charged pure titanium

Journal of Alloys and Compounds, 1995
Abstract A commercially pure α-titanium was electrochemically charged with hydrogen in a 5% H2SO4 solution at a current density of 5 kA m−2 for 14.4 ks (4 h), and the dissociation process of the electrochemically formed hydride and the evolution behavior of hydrogen from the samples were investigated by means of high temperature X-ray diffractometry,
Akito Takasaki, Yoshio Furuya, Kozo Ojima, Youji Taneda   +3 more
openaire   +1 more source

Hemispherical bubbles growth on electrochemically charged aluminum with hydrogen

International Journal of Hydrogen Energy, 2007
The formation of surface bubbles (blisters) in aluminum during electrochemical charging by hydrogen was studied. The experiments reveal that, in aluminum samples, a wide distribution of hydrogen bubbles on the surface (blisters) was produced during electrochemical charging.
openaire   +1 more source

High temperature electrochemical charging of hydrogen and its application in hydrogen embrittlement research

Materials Science and Engineering: A, 2007
Abstract A high temperature electrochemical charging technique was developed for effective introduction of hydrogen or tritium into the metallic materials to a high level in a short period of time. The samples of the steels and alloys, as the cathode, were charged in an electrochemical cell consists of Pt anode and molten salt electrolyte. After 3, 6
openaire   +1 more source

Effect of Electrochemical Hydrogen Charging on Hydrogen Embrittlement and Mechanical Properties of Quenched Tempered X100 Pipeline Steel

Journal of Failure Analysis and Prevention, 2023
Reza Khatib Zadeh Davani, Ehsan Entezari, M. Mohtadi-Bonab, Sandeep Yadav, Jhon Freddy Aceros Cabezas, Jerzy A. Szpunar   +5 more
semanticscholar   +1 more source

Investigations of temperature effects on hydrogen diffusion and hydrogen embrittlement of X80 pipeline steel under electrochemical hydrogen charging environment

Corrosion Science, 2023
Jiaqi Li, Ziyue Wu, Lijie Zhu, Zhuwu Zhang, Lin Teng, Liang Zhang, Cheng Lu, Rui Wang, Che Zhang   +8 more
semanticscholar   +1 more source

Effect of electrochemical hydrogen charging on the mechanical property and corrosion behavior of Ti-3Mo alloy

Corrosion Science, 2022
Z. Pan, Ya Wei, Yu Fu, Hong Luo, Xiaogang Li   +4 more
semanticscholar   +1 more source