Results 21 to 30 of about 195,760 (256)

Hydrogen-Induced Cracking in CGHAZ of Welded X80 Steel under Tension Load

Metals, 2023
X80 steel is extensively used in hydrogen environments and is susceptible to hydrogen embrittlement (HE). This paper studied the hydrogen-induced cracking (HIC) behavior in the coarse-grained heat-affected zone (CGHAZ) of X80 steel welds, through ...
Jinxin Gou, Xiao Xing, Gan Cui, Zili Li, Jianguo Liu, Xiangyuan Deng   +5 more
doaj   +1 more source

Hydrogen Diffusion Behavior of Steel-Wire-Reinforced Thermoplastic Pipes with Stress–Hydrogen Coupled Finite Element Method

Energies
Hydrogen embrittlement of the steel reinforcement layers poses a critical threat to the safe operation of steel-wire-reinforced thermoplastic pipes (SRP) in hydrogen transport.
Xin Li, Yifeng Guo, Tongshen Zheng, Hongxing Li, Jianghua Chen, Li Zhang, Yanjun Li, Chilou Zhou   +7 more
doaj   +1 more source

Diffusion of Hydrogen Isotopes in Zirconium Alloys

He huaxue yu fangshe huaxue
Tritium is a common radioactive product in nuclear power plants. It is easy to diffuse, penetrate and be easily absorbed by organisms due to its small atomic radius.
Long WANG, Zhi-hao HONG, You-zhi WANG, Zi-kai LIU, Xiao-qian ZHANG, Tian-guang ZHANG, Long ZHANG   +6 more
doaj   +1 more source

Research on Hydrogen/Deuterium Permeation Behavior and Influencing Factors of X52MS Pipeline Steel

Metals
The hydrogen/deuterium permeation behavior of X52MS pipeline steel with three thicknesses was investigated using the gas/liquid phase permeation method by changing the current density and regulating the surface roughness.
Ning Liu, Ke Jin, Junqiang Ren, Jie Sheng, Xuefeng Lu, Xingchang Tang   +5 more
doaj   +1 more source

Structural insights into an engineered feruloyl esterase with improved MHET degrading properties

FEBS Letters, EarlyView.
A feruloyl esterase was engineered to mimic key features of MHETase, enhancing the degradation of PET oligomers. Structural and computational analysis reveal how a point mutation stabilizes the active site and reshapes the binding cleft, expading substrate scope.
Panagiota Karampa, Konstantinos Makryniotis, Theofani‐Iosifina Sousani, Evangelos Topakas, Vangelis Daskalakis, Maria Dimarogona   +5 more
wiley   +1 more source

Research on Hydrogen Leakage Risk Control Methods in Deck Compartments of Hydrogen Fuel Cell-Powered Ships Based on CFD Simulation and Ventilation Optimization

Fire
Hydrogen fuel cell vessels represent a vital direction for green shipping, but the risk of large-scale hydrogen leakage and diffusion in their enclosed compartments is particularly prominent. To enhance safety, a simplified three-dimensional model of the
Xiaoyu Liu, Jie Zhu, Zhongcheng Wang, Zhenqiang Fu, Meirong Liu   +4 more
doaj   +1 more source

Phosphoinositides and inositol phosphates as molecular glues

FEBS Letters, EarlyView.
Inositol phosphates (IPs) and phosphoinositides (PIPs) regulate diverse eukaryotic processes. Beyond recruiting signaling proteins or acting as structural cofactors, recent studies suggest they mediate protein–protein interactions as natural molecular glues.
Aleshia Seaton‐Terry, Alexander J. Cutright, Mong Na Claire Loi, Jessica Martin, Joseph W. Gilligan, Jakub N. Kubina, Michael J. Arambula, Susanna Tanada Palmu, Daniella Zhou, Raymond D. Blind   +9 more
wiley   +1 more source

Hydrogen diffusion on Si(001)

Physical Review B, 1996
We have imaged hydrogen on Si~001! at low coverages in a variable-temperature STM from 300 K up to 700 K. Individual hydrogen atoms were imaged which became mobile at around 570 K. The observed rate of hopping along the dimer rows was consistent with an activation energy of 1.68 6 0.15 eV.
Owen, J, Bowler, DR, Goringe, C, Miki, K, Briggs, G   +4 more
openaire   +2 more sources

A Numerical Study of the Leakage and Diffusion Behavior of Hydrogen Dispensers in Hydrogen Refueling Stations Under Different Leakage Conditions

Energies
The investigation of hydrogen leakage and diffusion behavior is of great importance for the assessment of safety risks and the establishment of safety regulations for hydrogen refueling stations.
Lei Zhang, Zhixiang Duan, Rui Ding, Cuiwei Liu   +3 more
doaj   +1 more source

An Innovative Procedure to Evaluate the Hydrogen Diffusion Coefficient in Metals from Absorption Measurements

Energies, 2019
A large number of metallic alloys are currently under investigation in the field of hydrogen storage and hydrogen separation membranes. For such applications, the knowledge of the hydrogen diffusion coefficient in the given alloy is of great importance ...
Andrea Moriani, Oriele Palumbo, Silvano Tosti, Alessia Santucci, Alfonso Pozio, Francesco Trequattrini, Annalisa Paolone   +6 more
doaj   +1 more source