Results 111 to 120 of about 772,208 (306)

Dynamic Testing of Cold Gas Sprayed Bipolar Plates–Porous Transport Layer Coating System in Proton Exchange Membrane Water Electrolysis

open access: yesAdvanced Engineering Materials, EarlyView.
Through direct application of porous transport layer (PTL) on the bipolar plate (BPP) with thermal spraying, the interfacial contact resistance is improved. With the cold gas sprayed BPP–PTL coating system, a proton exchange membrane water electrolysis cell with a cell voltage of Ucell = 1.9 V can be operated up to i = 2.5 A/cm2 in a dynamic mode ...
Kirsten Bobzin   +5 more
wiley   +1 more source

How do borehole observations characterize crustal stress?

open access: yesDizhi lixue xuebao
Objective  Knowing the in-situ stress state is of great importance for understanding a wide range of geomechanical processes in the Earth’s crust, and for addressing many practical problems in the subsurface.
MA Xiaodong
doaj   +1 more source

A NEW EMPIRICAL APPROACH TO ESTIMATE THE RATIO OF HORIZONTAL TO VERTICAL IN-SITU STRESS AND EVALUATION OF ITS EFFECT ON THE STABILITY ANALYSIS OF UNDERGROUND SPACES

open access: yesRudarsko-geološko-naftni Zbornik, 2022
In-situ stress is one of the most important input data to study stability analysis of underground and surface geomechanical projects. The measured vertical stress has a linear relation with depth.
Hassan Moomivand   +2 more
doaj  

Automated Grain Yield Behavior Classification [PDF]

open access: yes
A method for classifying grain stress evolution behaviors using unsupervised learning techniques is presented. The method is applied to analyze grain stress histories measured in-situ using high-energy X-ray diffraction microscopy (HEDM) from the ...
Beaudoin, Armand J.   +5 more
core   +1 more source

Corrosion and Process Analysis of a Preoxidized MgO Recyclate‐Based Cermet Anode in Laboratory‐Scale Na‐Cryolite Molten Salt Electrolysis of Aluminum at 1000°C

open access: yesAdvanced Engineering Materials, EarlyView.
EDX elemental map of the pre‐oxidized MgO–steel cermet anode cross section after electrolysis. The development of inert anodes for aluminum electrolysis remains challenging due to the high corrosivity of cryolite‐based melts at 950°C–1000°C. This study investigates the corrosion and process behavior of a carbon‐free MgO–steel cermet anode derived from ...
Alexander Adamczyk   +7 more
wiley   +1 more source

In-situ stress characteristics in the project area of a large hydropower station on the northern margin of the eastern Himalayan syntaxis

open access: yesDizhi lixue xuebao
Objective  We analyzed and evaluated the in-situ stress distribution characteristics and fault stability in the project area of a large hydropower station on the northern margin of the eastern Himalayan syntaxis.
WANG Bin   +9 more
doaj   +1 more source

Impact of Sustainable Binders Based on Lignin and Collagen on the Volume Stability and Mechanical Properties of MgO‐C Refractories with MgO‐C Recyclates

open access: yesAdvanced Engineering Materials, EarlyView.
Collagen hydrolysate is evaluated as a sustainable binder for MgO‐C refractories. Its thermally induced cross‐linking and gas release lead to expansion and cracking in large bricks, but tailored batches with lignin, recyclates, or fine graphite improve the gas release while thermal treatment and stability.
Till M. J. Stadtmüller   +8 more
wiley   +1 more source

Electronic nematic correlations in the stress free tetragonal state of BaFe$_{2-x}$Ni$_{x}$As$_{2}$

open access: yes, 2015
We use transport and neutron scattering to study electronic, structural, and magnetic properties of the electron-doped BaFe$_{2-x}$Ni$_x$As$_2$ iron pnictides in the external stress free detwinned state.
Chen, Justin S.   +11 more
core   +1 more source

Development of Sustainable MgO–C Refractories Using MgO–C Recyclates and a Novel Eco‐Friendly Fructose–Tannin Binder Crosslinked With Citric Acid

open access: yesAdvanced Engineering Materials, EarlyView.
This study develops sustainable MgO–C refractories using recycled materials and eco‐friendly fructose–tannin binders. The enhanced performance of citric acid as a cross‐linker and functional additives on mechanical and thermomechanical properties was examined. Characterization included strength tests, immersion trials, and microstructural and inclusion
Dinesh K. Gunasekar   +7 more
wiley   +1 more source

Distribution pattern and influencing factors of in-situ stress for deep levels in Shoushan No.1 Coal Mine

open access: yesMeitan xuebao
To investigate the distribution pattern and influencing factors of in-situ stress for deep levels in the Shoushan No.1 Mine, according to the measured in-situ stress data of the mine, the tectonophysics and rock mechanics and numerical simulation methods
Deyong GUO   +3 more
doaj   +1 more source

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