Results 71 to 80 of about 264,755 (289)

Population of Nonmetallic Inclusions in Liquid High‐Silicon Electrical Steel in Contact With MgO–C Refractories Based on Recyclates and Environmentally Friendly Binders

open access: yesAdvanced Engineering Materials, EarlyView.
The formation of nonmetallic inclusions (NMIs) was investigated in this study, carrying out immersion tests for 30 min at a temperature of 1600°C with liquid high‐silicon electrical steel (Si ≈ 3 mass‐%) and different MgO–C refractories. Conventional MgO–C refractories were considered, as well as MgO–C refractories containing MgO–C recyclate and ...
Lukas Neubert   +6 more
wiley   +1 more source

Comparative evaluation on friction and wear characteristics of SiC, Si(3)N(4), Al(2)O(3), and ZrO(2) sliding against PEEK composite for seawater hydraulic axial piston pumps

open access: yesThe Journal of Engineering, 2018
Comparative investigation on friction and wear properties of SiC, Si(3)N(4), Al(2)O(3), and ZrO(2) lubricated with seawater was carried out on a ring-on-ring contacted tribological test apparatus, and their worn surfaces were observed by an ultra-depth ...
Zhenhua Zhang   +4 more
doaj   +1 more source

Impact of Pre‐Oxidation Treatments on a Recycled MgO/Steel‐Composite as Carbon Free Anode in Aluminum‐Electrolysis Environments

open access: yesAdvanced Engineering Materials, EarlyView.
Cermets (60 vol.% AISI 316L stainless steel, 40 vol.% recycled MgO), intended for use in aluminum electrolysis, were pre‐oxidized in three furnaces with different heating technologies and subjected to a cryolite corrosion test. The different atmospheres influenced the formation of oxide layers, which in turn affected corrosion resistance and ...
Patricia Kaiser   +4 more
wiley   +1 more source

Uniform Luminescence at Breakdown in 4H-SiC 4°-Off (0001) p–n Diodes Terminated With an Asymmetrically Spaced Floating-Field Ring

open access: yesIEEE Journal of the Electron Devices Society, 2015
Conventional floating-field rings, which are used to reduce the peak electric field at the periphery of power devices, cause nonuniform avalanche multiplication when applied to planar junctions formed on 4H-SiC substrates misoriented from (0001) toward ...
Kazuhiro Mochizuki   +4 more
doaj   +1 more source

Powder containing 2H-type silicon carbide produced by reacting silicon dioxide and carbon powder in nitrogen atmosphere in the presence of aluminum [PDF]

open access: yes
The production of powder which contains silicon carbide consisting of 40% of 2H-type silicon carbide, beta type silicon carbide and less than 3% of nitrogen is discussed.
Kuramoto, N., Takiguchi, H.
core   +1 more source

Silicon, endophytes and secondary metabolites as grass defenses against mammalian herbivores [PDF]

open access: yes, 2014
Article Accepted Date: 30 August 2014 Acknowledgments This study was supported by the Academy of Finland (grant no. 133495 to Otso Huitu; grants no. 137909 and 110658 to Kari Saikkonen) and by the NERC (grant no. NE/F003994/1 to Xavier Lambin).
Forbes, Kristian M   +8 more
core   +2 more sources

Phase Field Failure Modeling: Brittle‐Ductile Dual‐Phase Microstructures under Compressive Loading

open access: yesAdvanced Engineering Materials, EarlyView.
The approach by Amor and the approach by Miehe and Zhang for asymmetric damage behavior in the phase field method for fracture are compared regarding their fitness for microcrack‐based failure modeling. The comparison is performed for the case of a dual‐phase microstructure with a brittle and a ductile constituent.
Jakob Huber, Jan Torgersen, Ewald Werner
wiley   +1 more source

Dielectric properties of epoxy silica and boron nitride nanocomposites and moisture/temperature influences

open access: yesIET Nanodielectrics, 2018
The epoxy resin was filled with nano-BN, surface treated, and untreated nano-SiO(2). Measurements of dielectric spectroscopy cover the range of frequency from 10^−2 to 10^5 Hz and will relate to the hydration of samples.
Dayuan Qiang   +3 more
doaj   +1 more source

Silicon electrodeposition in molten fluorides [PDF]

open access: yes, 2011
Silicon nucleation process was investigated in molten NaF-KF (40-60 mol%) on silver electrodes in the 820-950°C temperature range in order to optimize silicon coating operating conditions.
Bieber, Anne-Laure   +5 more
core   +1 more source

Exploring Dipolar Dynamics and Ionic Transport in Metal‐Organic Frameworks: Experimental and Theoretical Insights

open access: yesAdvanced Functional Materials, EarlyView.
In this study, the interplay of dipolar dynamics and ionic charge transport in MOF compounds is investigated. Synthesizing the novel structure CFA‐25 with integrated freely rotating dipolar groups, local and macroscopic effects, including interactions with Cs cations are explored.
Ralph Freund   +6 more
wiley   +1 more source

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