Results 131 to 140 of about 6,019,713 (343)

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

Preserving a large-scale reversible high-pressure phase under ambient conditions

open access: yesMaterials Research Letters
Preserving the high pressure states and properties of large-sized materials under ambient conditions without external pressure loading devices is crucial for their practical applications. Here, we propose an approach to seal large-sized materials at high
Yao Tang   +4 more
doaj   +1 more source

Effects of initiating anaerobic digestion of layer-hen poultry dung at sub-atmospheric pressure

open access: yesRevista Ambiente & Água, 2013
This study investigated the effects of initiating anaerobic digestion (AD) of dry layer-hen poultry dung at the sub-atmospheric pressure of -30 cmHg on biodegradation, biogasification, and biomethanation.
Chima C. Ngumah   +3 more
doaj   +1 more source

Multiple magnetic transitions in multiferroic BiMnO3

open access: yes, 2010
The magnetic phase variations under hydrostatic pressure on multiferroic BiMnO3 have been examined by the dc magnetization [Mg(T)], magnetic hysteresis [Ueff(H)], and ac susceptibility [X'g(T)].
A. A. Belik   +9 more
core   +1 more source

Characterization of photocatalytic TiO2 powder under varied environments using near ambient pressure X-ray photoelectron spectroscopy

open access: yesScientific Reports, 2017
Consecutive eight study phases under the successive presence and absence of UV irradiation, water vapor, and oxygen were conducted to characterize surface changes in the photocatalytic TiO2 powder using near-ambient-pressure X-ray photoelectron ...
Padmaja Krishnan   +7 more
semanticscholar   +1 more source

Dielectric Barrier Discharge Plasma Deoxidation of Natively Oxide Layer of Copper Powders in a Fluidized Bed

open access: yesAdvanced Engineering Materials, EarlyView.
This paper presents a novel approach to reducing oxide layers on metal powders using low‐temperature hydrogen dielectric barrier discharge plasmas at atmospheric pressure. Unlike conventional hydrogen‐plasma reductions, the powders do not contact the plasma directly.
Shukang Zhang   +3 more
wiley   +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

Surface Tension Measurement of Ti‐6Al‐4V by Falling Droplet Method in Oxygen‐Free Atmosphere

open access: yesAdvanced Engineering Materials, EarlyView.
In this article, the temperature‐dependent surface tension of free falling, oscillating Ti‐6Al‐4V droplets is investigated in both argon and monosilane doped, oxygen‐free atmosphere. Droplet temperature and oscillation are captured with one single high‐speed camera, and the surface tension is calculated with Rayleigh's formula.
Johannes May   +9 more
wiley   +1 more source

Thermal Runaway Hazards of Ternary Lithium-Ion Batteries Under Different Ambient Pressure Environments

open access: yesBatteries
Aiming for the safety requirements of aviation transportation of lithium-ion batteries, the thermal runaway characteristics of ternary lithium-ion batteries in a low ambient pressure environment were systematically explored.
Huajian Cui   +4 more
doaj   +1 more source

From Surfaces to Interfaces: Ambient Pressure XPS and Beyond [PDF]

open access: yes, 2018
The rapidly increasing field of surfaces under ambient conditions of temperature, and pressure in gas and liquid environments, reflects the importance of understanding surface properties in conditions closer to practical situations. This has been enabled
Salmeron, M
core  

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