Results 41 to 50 of about 114,522 (217)

Time‐Dependent Oxidation and Scale Evolution of a Wrought Co/Ni‐Based Superalloy

open access: yesAdvanced Engineering Materials, EarlyView.
This study shows how a new wrought Co/Ni‐based superalloy resists oxidation at 800 ∘$^\circ$C. The oxide scale changes from rough, fast‐growing spinel to a dense, protective chromia–alumina layer. Atom probe analysis reveals tiny refractory‐rich bubbles at the interface that mark the transition to long‐term, diffusion‐controlled protection ...
Cameron Crabb   +6 more
wiley   +1 more source

Elektroninės valdžios diegimas ir perspektyvos Lietuvoje: visuomenės ir valdžios institucijų sąveika

open access: yesInformacijos Mokslai, 2008
Straipsnyje analizuojami elektroninės valdžios įgyvendinimo teoriniai aspektai ir problematika, atskleidžiamos valdžios institucijų bendravimo elektroniniu paštu teorinės ir praktinės spragos, aptariamos elektroninės valdžios institucinio įgyvendinimo ir
Tadas Limba
doaj   +1 more source

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

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

Designing Polymer Nanocomposites for X‐Ray Shielding: Mechanisms, Architectures, and Scalable Processing

open access: yesAdvanced Engineering Materials, EarlyView.
This review highlights advances in lightweight, lead‐free polymer nanocomposites for diagnostic X‐ray shielding. By linking filler chemistry, dispersion, architecture, and photon interaction mechanisms, it establishes structure–performance relationships guiding material design.
Aklilu G. Messele   +2 more
wiley   +1 more source

A Dislocation Perspective on Strength and Toughness in Ceramics

open access: yesAdvanced Engineering Materials, EarlyView.
Dislocations in ceramics enjoy a long but yet under‐appreciated history. The three research waves for dislocations in ceramics highlight the topic evolution over the last 90 years. This review focuses on the impact of dislocation on strength and toughness in ceramics.
Xufei Fang
wiley   +1 more source

Opportunities and issues of the Moscow public services portal

open access: yesКонтуры глобальных трансформаций: политика, экономика, право, 2014
The article analyzes the increasing role of information technology in the interaction between government and society. It is shown the experience of the Moscow public services portal’s operation.
Y. V. Irkhin
doaj  

Lobbying as a Mechanism of Political Corruption

open access: yesЕвразийская интеграция: экономика, право, политика, 2020
Lobbying is an objectively expressed process of interaction between society and government structures. In Russia, lobbying is often associated with corruption-related processes, which negatively affect the state and municipal management efficiency.
E. N. Demidova, A. Yu. Mokhorova
doaj   +1 more source

Liquid Phase Transmission Electron Microscopy: A Window into the Early Stages of Complex Material Formation

open access: yesAdvanced Functional Materials, EarlyView.
Liquid‐phase transmission electron microscopy enables direct observation of nucleation and growth processes in solution. This review is dedicated to the remembrance of Helmut Cölfen and highlights recent studies on complex materials—oxides, biominerals, organic–inorganic crystals—which were central to his research activity. It summarizes key milestones,
Charles Sidhoum   +5 more
wiley   +1 more source

Importance of the government and business interaction in a web environment

open access: yesForum Scientiae Oeconomia, 2016
With the establishment of the global information society, effective pub-lic administration is impossible without modern technological foundation that can provide information interaction between the branches of government, businesses and the citizens of ...
Oleksandr Pachkal
doaj  

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