Advanced Materials, EarlyView.This study demonstrates a self‐assembly process to generate free‐standing piezoelectric nanomembranes, forming ultracompact microtubular acoustic wave sensors and actuators. The miniaturized 3D piezoelectric platform reported in this work can be applied in telecommunication, energy harvesting, and acoustofluidics. Moreover, the 3D self‐assembly can add
Raphaël C. L‐M. Doineau +9 more
wiley +1 more source
Study on Near-Net Forming Technology for Stepped Shaft by Cross-Wedge Rolling Based on Variable Cone Angle Billets. [PDF]
Materials (Basel), 2018 Han S, Shu X, Shu C.
europepmc +1 more source
Computer-aided evaluation of cross wedge rolling parameters
, 2020 Çapraz Kamalı Haddeleme (ÇKH) yöntemi, dairesel iş parçalarının düz plaka ya damerdaneler üzerine monte edilmiş kamalı kalıpların arasında deforme edilerek eksenelsimetrik şekil verme işlemidir. ÇKH yönteminin diğer geleneksel imalat yöntemleri ilekarşılaştırıldığında üretim kapasitesi, malzeme sarfiyatı, ürün mukavemeti, çevresel etki veürün kalitesi ...
openaire +1 more source
Radiation‐Resistant Aluminum Alloy for Space Missions in the Extreme Environment of the Solar System
Advanced Materials, EarlyView.A novel ultrafine‐grained aluminum crossover alloy exhibits unprecedented radiation resistance and mechanical stability under extreme irradiation doses up to 100 dpa. The exceptional resilience arises from thermodynamically stable T‐phase precipitates, enabling lightweight structural materials for next‐generation spacecraft and extraterrestrial ...
Patrick D. Willenshofer +9 more
wiley +1 more source
Infrastructure performance and reform in developing and transition economies: evidence from a survey of productivity measures [PDF]
The authors review about 80 studies on electricity and gas, water and sanitation, and rail and ports (with a footnote on telecommunications) in developing countries.
Estache, Antonio +2 more
core
A Comparison of Two-Roll and Three-Roll Cross Wedge Rolling Processes
Advances in Science and Technology Research Journal, 2023 openaire +1 more source
Electrically Readable Lateral Flow Assay Using Organic Transistors for Diagnostic Applications
Advanced Materials, EarlyView.Electrolyte‐gated organic field‐effect transistors (EGOFETs) are integrated with lateral flow (LF) paper fluidics to create a reusable, portable, and low‐cost point‐of‐care (PoC) diagnostic test. The devices are validated for Human Immunoglobulin G detection, achieving high sensitivity (0.1 fm), selectivity, and reproducibility with rapid results in 20–
María Jesús Ortiz‐Aguayo +4 more
wiley +1 more source
Numerical analysis of the cross wedge rolling process (CWR) for a stepped shaft
Metalurgija, 2015 The paper presents the results of numerical modeling of a complex CWR process for producing a stepped shaft. The modeling was performed using the Finite Element Method (FEM) based commercial software Simufact.Forming.
Z. Pater +3 more
doaj
Subsonic investigations of vortex interaction control for enhanced high-alpha aerodynamics of a chine forebody/Delta wing configuration [PDF]
A proposed concept to alleviate high alpha asymmetry and lateral/directional instability by decoupling of forebody and wing vortices was studied on a generic chine forebody/ 60 deg.
Bhat, M. K., Rao, Dhanvada M.
core +1 more source
Porous Iridium Oxide Inverse Opal Catalysts Enable Efficient PEM Water Electrolysis
Advanced Materials, EarlyView.Porous iridium‐based inverse opal (IrOx‐IO) structures are introduced as high‐performance, unsupported PEM‐WE anode catalysts. Their electrochemical behavior is analyzed through porosity/surface area tuning, voltage breakdown, and circuit modeling.
Sebastian Möhle +4 more
wiley +1 more source