Results 71 to 80 of about 196,537 (265)

Microstructure‐Controlled Crack Propagation and Fracture Resistance in MoSiBTiC Alloy Revealed by Multiscale Extended Finite Element Method Modeling

open access: yesAdvanced Engineering Materials, EarlyView.
A two‐dimensional multiscale finite element analysis framework was established for the first‐generation MoSiBTiC alloy, and the mechanical and fracture‐related parameters of the constituent phases were calibrated through experiments and simulations. The framework provides a basis for analyzing crack propagation behavior in its complex microstructure ...
Junfeng Du   +4 more
wiley   +1 more source

The Electrochemical Performances of n-Type Extended Lattice Spaced Si Negative Electrodes for Lithium-Ion Batteries

open access: yesFrontiers in Chemistry, 2019
The electrochemical performances of lithium-ion batteries with different lattice-spacing Si negative electrodes were investigated. To achieve a homogeneous distribution of impurities in the Si anodes, single crystalline Si wafers with As-dopant were ball-
Moonsang Lee   +7 more
doaj   +1 more source

Developing Flood Discharge Capacity of Kmait River

open access: yesEngineering and Technology Journal, 2008
Kmait River is a flood escape that was constructed to divert water duringflood season from Tigris River to Al Huwayza Marsh through AsSanna'f Marsh.Water stored in Al Huwayza Marsh is then discharged to Tigris River, through AlKassara River, and to Shatt Al Arab River, through AsSuwayb River.Kmait River, AsSanna'f Marsh, and Al Huwayza Marsh form ...
Mahmoud S. Al Khafaji   +2 more
openaire   +2 more sources

Slip Localization Intensification Mediated by Grain Boundary Sliding in a Polycrystalline Nickel‐Based Superalloy

open access: yesAdvanced Engineering Materials, EarlyView.
The temperature dependence of fatigue behavior in nickel‐based superalloys is investigated through high‐resolution measurements of plastic localization. While increasing temperature reduces localization and enhances fatigue performance in René 88DT, Inconel 718 exhibits a sharp degradation at intermediate temperature due to intensified slip ...
M. Calvat   +5 more
wiley   +1 more source

Creep Properties and Deformation Mechanism of Additively Manufactured NiAl‐CrMo Composites

open access: yesAdvanced Engineering Materials, EarlyView.
Additively manufactured NiAl‐CrMo composites contain numerous interfaces and cell boundaries that control their creep response. At 700°C under high applied stress, creep is dominated by dislocation‐controlled power‐law mechanisms. At 800°C–900°C and lower stresses, creep is primarily diffusion‐controlled along cell boundaries.
Jan Vollhüter   +9 more
wiley   +1 more source

Current Status and Challenges in Data Collection for Aerospace Coatings Deposited by Plasma Spraying

open access: yesAdvanced Engineering Materials, EarlyView.
An innovative approach has been integrated into the GRENAT project to optimize plasma spraying and coating performance. Raw materials are accelerated and melted in the plasma generated by torches, creating coatings. Monitoring sensors collect process data which are combined with ex situ characterization data.
Lila Randriamananjara   +8 more
wiley   +1 more source

Experimental Characterization and Constitutive Modeling of the Effect of Prior Inelastic Strain on the Viscoplastic Behavior of AD730 at 700 °C

open access: yesAdvanced Engineering Materials, EarlyView.
This study shows that superalloys used in aircraft engine disks become much more prone to deformation at high temperatures if they have been strained during manufacturing. This effect increases with the level of prior strain but eventually reaches a limit.
Fabio Machado Alves da Fonseca   +9 more
wiley   +1 more source

Role of Electrochemical Precipitation Parameters in Developing Mixed-Phase Battery-Grade Nickel Hydroxide

open access: yesElectrochem
There is a high demand for nickel hydroxide as an engineering material used in the positive electrode of nickel metal hydride (Ni-MH) rechargeable batteries.
Chinmaya Kumar Sarangi   +4 more
doaj   +1 more source

Electrodeposited PbO2 Thin Films with Different Surface Structure as Positive Plate in Lead Acid Batteries

open access: yesInternational Journal of Electrochemical Science, 2018
PbO2 thin film is essential for applications in lead acid batteries system. In this work, PbO2 thin films with different surface microstructure were fabricated through electrodeposition technique by controlling the deposition current density. Though PbO2
Xuan Zhao   +3 more
doaj   +1 more source

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